Chesapeake Bay Activities

Bibliography of USGS Publications

The USGS has published reports and journal articles on a large number of topics related to the Chesapeake Bay and its watershed. Some recent reports are online. Findings from the publications are used by Chesapeake Bay Program resource managers and policy makers to make science-based decisions for ecosystem conservation and restoration. USGS Chesapeake Bay science information is also critical for the restoration of ecosystems throughout the United States.


2020   2019   2018   2017   2016   2015   2014   2013   2012   2011   
2010   2009   2008   2007   2006   2005   2004   2003   2002   2001   
2000   Publications prior to 2000

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Ator, S.W., 2020, SPARROW model inputs and simulated streamflow, nutrient, and suspended-sediment loads in streams of the Northeastern United States, 2012 Base Year: U.S. Geological Survey data release,

Ator, S.W., Blomquist, J.D., Webber, J.S. and Chanat, J.G. (2020), Factors driving nutrient trends in streams of the Chesapeake bay watershed. J. Environ. Qual.. doi:10.1002/jeq2.20101.

Blazer VS, Young KT, Smith GD, Sperry AJ, Iwanowicz LR (2020) Hyperpigmented melanistic skin lesions of smallmouth bass Micropterus dolomieu from the Chesapeake Bay watershed. Dis Aquat Org 139:199-212. (FY21)

Carr, J., Guntenspergen, G., & Kirwan, M. (2020). Modelling marsh‐forest boundary transgression in response to storms and sea‐level rise. Geophysical Research Letters, 47, e2020GL088998.

Densmore, C.L., 2020, Aquatic invasive species in the Chesapeake Bay drainage—Research-based needs and priorities of U.S. Geological Survey partners and collaborators: U.S. Geological Survey Open-File Report 2020–1057, 23 p.,

Hernandez Cordero, A.L., Tango, P.J. & Batiuk, R.A. Development of a multimetric water quality Indicator for tracking progress towards the achievement of Chesapeake Bay water quality standards. Environ Monit Assess 192, 94 (2020) doi:10.1007/s10661-019-7969-z.

Hitt, N.P., Rogers, K.M., Kelly, Z.A., Henesy, J., and Mullican, J.E.. 2020. Fish life history trends indicate increasing flow stochasticity in an unregulated river. Ecosphere 11( 2):e03026. 10.1002/ecs2.3026

Hopkins, K.G., Ahmed, L., Metes, M.J., Claggett, P.R., Lamont, S., Noe, G.B, 2020. Geomorphometry for Streams and Floodplains in the Chesapeake and Delaware Watersheds: U.S. Geological Survey data release,

Iwanowicz, L.R., Young, K.T., Adams, C.R., Blazer, V.S., Smith, G.D., and Cornman, R.S. (2020). Draft Genome Sequence of an Adomavirus Associated with Raised Mucoid Skin Lesions on Smallmouth Bass (Micropterus dolomieu). Microbiology resource announcements, 9(14), e01479-19.

Keisman, J., C. Friedrichs, R. Batiuk, J. Blomquist, J. Cornwell, C. Gallegos, S. Lyubchich, K. Moore, R. Murphy, R. Orth, L. Sanford, P. Tango, J. Testa, M. Trice, and Q. Zhang. (2019). Understanding and Explaining 30 Years of Water Clarity Trends in the Chesapeake Bay’s Tidal WatersDownload.

Korol, A.R., and G.B. Noe.  2020.  Patterns of denitrification potential in tidal freshwater forested wetlands.  Estuaries & Coasts 43: 329-346.

Langland, M.J., Duris, J.W., Zimmerman, T.M., and Chaplin, J.J., 2020, Effects of legacy sediment removal and effects on nutrients and sediment in Big Spring Run, Lancaster County, Pennsylvania, 2009–15: U.S. Geological Survey Scientific Investigations Report 2020-5031, 28 p.,

Li, Y., Blazer, V.S., Iwanowicz, L.R., Schall, M.K., Smalling, K., Tillitt, D.E., and Wagner, T. 2020. Ecological risk assessment of environmental stress and bioactive chemicals to riverine fish populations: An individual-based model of smallmouth bass Micropterus dolomieu. Ecological Modeling, vol. 438, December 2020. (FY21)

Majcher, E., Smalling, K., Blaney L, Harvey, A., Phillips, S, L., Blazer, V., ,Pickney, A., Brosch, C, and Allen, G. 2020. Integrating Science and Developing Approaches to Inform Management for Contaminants of Concern in Agricultural and Urban Settings. STAC Publication Number 20-001, Edgewater, MD. 51 pp.

Maloney, KO, Krause, KP, Buchanan, C, et al. Disentangling the potential effects of land‐use and climate change on stream conditions. Glob Change Biol. 2020; 00: 1– 20.

McClure, C.M., Smalling, K.L., Blazer V.S., Sperry, A.J., Schall, M.K., Kolpin, D.W., Phillips, P.J., Hladik, M.L., and Wagner, T., 2020, Spatiotemporal variation in occurrence and co-occurrence of pesticides, hormones, and other organic contaminants in rivers in the Chesapeake Bay Watershed, United States. Science of The Total Environment, vol. 728,

Moyer and Langland, 2020 Summary of nutrient and sediment trends in the Chesapeake Bay Watershed, 2009-2018. Data Release

Noe, G.B., M. Cashman, K. Skalak, A. Gellis, K. Hopkins, D. Moyer, J. Webber, A. Benthem, K. Maloney, J. Brakebill, A. Sekellick, M. Langland, Q. Zhang, G. Shenk, J. Keisman, C. Hupp, and D. Hogan.  2020. Sediment dynamics and implications for management: state of the science from long-term research in the Chesapeake Bay watershed, USA.  WIREs Water; 7:e1454.

Noe, G.B., Hupp, C.R., Schenk, E.R., Doody, T.R., and Hopkins, K.G., 2020, Physico-chemical characteristics and sediment and nutrient fluxes of floodplains, streambanks, and streambeds in the Chesapeake Bay and Delaware River watersheds: U.S. Geological Survey data release,

Porter, A.J., Webber, J.S., Witt, J.W., and Jastram, J.D., 2020, Spatial and temporal patterns in streamflow, water chemistry, and aquatic macroinvertebrates of selected streams in Fairfax County, Virginia, 2007–18: U.S. Geological Survey Scientific Investigations Report 2020–5061, 106 p.,

Smith, C.R., Ottinger, C.A., Walsh, H.L., and Blazer, V.S., 2020, Development of a suite of functional immune assays and initial assessment of their utility in wild smallmouth bass health assessments: U.S. Geological Survey Open-File Report 2020–1077, 23 p., (FY21)

Thieme, A., Yadav, S., Oddo, P.C., Fitz, J.M., McCartney, S., King, L., Keppler, J., McCarty G.W., and Hively, W.D., 2020, Using NASA Earth observations and Google Earth Engine to map winter cover crop conservation performance in the Chesapeake Bay watershed. Remote Sensing of Environment, vol. 248, Oct. 2020,

Thompson, T.J., Briggs, M.A., Phillips, P.J., Blazer, V.S., Smalling, K.L., Kolpin, D.W., and Wagner T., 2020, Groundwater discharges as a source of phytoestrogens and other agriculturally derived contaminants to streams, Science of The Total Environment, (FY21)

Willacker Jr., J.J., Smith, C.A., and Blazer, V., 2020, Total Mercury Concentrations in Smallmouth Bass from Chesapeake Bay Tributaries, USA Dataset, 2013-2017: U.S. Geological Survey data release,

Willacker, J.J., Eagles-Smith, C.A. and Blazer, V.S. Mercury bioaccumulation in freshwater fishes of the Chesapeake Bay watershed. Ecotoxicology 29, 459–484 (2020).

Williams, B.M., Phillips, P.J., Romanok, K., Scott, T.M., Smalling, K.L., Iwanowicz, L.R., Blazer, V.S., Sperry, A.J., and Braham, R.P., 2019, Organic contaminants, including hormones, pesticides, pharmaceuticals and other endocrine disrupting compounds, and estrogenicity data in select surface water samples as well as organic contaminants in bed sediment samples collected in Chesapeake Bay watershed in parts of Maryland, Pennsylvania, and West Virginia, 2012-2018 (ver. 2.0, August 2020): U.S. Geological Survey data release,

Wilson, T.P., 2019, Sediment and chemical contaminant loads in tributaries to the Anacostia River, Washington, District of Columbia, 2016–17: U.S. Geological Survey Scientific Investigations Report 2019–5092, 146 p.,

Zhang, Q., Fisher, T.R., Trentacoste, E.M., Buchanan, C., Gustafson, A.B., Karrh, R., Murphy, R.R., Keisman, J., Wu, C., Tian, R., Testa, J.M., and Tango, P.J. Nutrient limitation of phytoplankton in Chesapeake Bay: Development of an empirical approach for water-quality management. Water Research, Volume 188, January 2021, (FY21)

Zhang, Q., Webber, J.S., Moyer, D.L., and Chanat, J.G., 2020, An approach for decomposing river water-quality trends into different flow classes, Science of The Total Environment, (FY21)



Ator, S.W., 2019, Spatially referenced models of streamflow and nitrogen, phosphorus, and suspended-sediment loads in streams of the Northeastern United States: U.S. Geological Survey Scientific Investigations Report 2019-5118,

Ator, S.W., Garcia, A.M., Schwarz, G.E., Blomquist, J.D., and Sekellick, A.J.. 2019. “ Toward Explaining Nitrogen and Phosphorus Trends in Chesapeake Bay Tributaries, 1992–2012.” Journal of the American Water Resources Association 1– 20.

Bansal, S., S. Lishawa, S. Newman, B. Tangen, D. Wilcox, D. Albert, M. Anteau, M. Chimney, R. Cressey, S. DeKeyser, K. Elgersma, S.A. Finkelstein, J. Freeland, R. Grosshans, P. Klug, D. Larkin, B. Lawrence, G. Linz, J. Marburger, G. Noe, C. Otto, N. Reo, J. Richards, C. Richardson, L. Rodgers, A. Schrank, D. Svedarsky, S. Travis, N. Tuchman, A. van der Valk, and L. Windham-Myers. In press. Typha (cattail) invasion in North American wetlands: biology, regional problems, impacts, desired services, and management [Mark Brinson Review]. Wetlands.

Barber, L.B., Bertolatus, D.W., Dietze, J.E., Hladik, M.L., Jasmann, J.R., Jastrow, A., Keefe, S.H., Kolpin, D.W., Kraus, J.M., Iwanowicz, L.R., Melberg, A.K., Meyer, M.T., Rapp, J.L., Roth, D.A., Sperry, A., Tokranov, A.K., and Vajda, A.M., 2019, Assessment of Endocrine Disruption in the Shenandoah River Watershed – Chemical and Biological Data from Mobile Laboratory Fish Exposures and Other Experiments Conducted during 2014, 2015, and 2016. U.S. Geological Survey data release,  

Barber, L.B., Rapp, J.L., Kandel, C., Keefe, S.H., Rice, J., Westerhoff, P., Bertolatus, D.W., and Vajda, A.M., 2019, Integrated Assessment of Wastewater Reuse, Exposure Risk, and Fish Endocrine Disruption in the Shenandoah River Watershed. Environmental Science & Technology 2019, 53(7) 3429-3440,

Brakebill, J.W., Ator, S.W., and Sekellick, A.J., 2019, Input and predictions from a suspended-sediment SPARROW model CBSS_v2 in the Chesapeake Bay watershed: U.S. Geological Survey data release,

Chorak, G.M., Dodd, L.L., Rybicki, N., Ingram, K., Buyukyoruk, M., Kadono, Y., Chen Y.Y., and Thum, R.A., Cryptic introduction of water chestnut (Trapa) in the northeastern United States, Aquatic Botany, Volume 155, 2019, Pages 32-37, ISSN 0304-3770,

Clune, J.W., and Cravotta, C.A., III, 2019, Drinking water health standards comparison and chemical analysis of groundwater for 72 domestic wells in Bradford County, Pennsylvania, 2016 (ver 1.1, April 23, 2019): U.S. Geological Survey Scientific Investigations Report 2018–5170, 66 p.,

Dodd L, Rybicki N, Thum R, Kadono Y, and K. Ingram, 2019, Genetic and morphological differences of water chestnut (Myrtales: Lythraceae: Trapa) populations in the Northeastern United States, Japan, and South Africa. APCRP Technical Reports Collection (ERDC/EL TR-19-3).

Fanelli, R.M., Blomquist J.D., and Hirsch, R.M., 2019, Point sources and agricultural practices control spatial-temporal patterns of orthophosphate in tributaries to Chesapeake Bay. Science of The Total Environment, vol. 652, p. 422-433,

Hopkins, K.G., Bhaskar, A.S., Woznicki, S.A., and Fanelli, R.M., 2019, Changes in event-based streamflow magnitude and timing after suburban development with infiltration-based stormwater management: Hydrolgoical Processes,

Kleinman, P. J. A., R. M. Fanelli, R. M. Hirsch, A. R. Buda, Z. M. Easton, L. A. Wainger, C. Brosch, M. Lowenfish, A. S. Collick, A. Shirmohammadi, K. Boomer, J. A. Hubbart, R. B. Bryant, and G. W. Shenk. 2019. Phosphorus and the Chesapeake Bay: Lingering Issues and Emerging Concerns for Agriculture. J. Environ. Qual. 0. doi:10.2134/jeq2019.03.0112.

Korol, A.R., Noe, G., and Ahn, C., Controls of the spatial variability of denitrification potential in nontidal floodplains of the Chesapeake Bay watershed, USA, Geoderma, Volume 338, 2019, Pages 14-29, ISSN 0016-7061,

Krause, K.P., and Maloney, K.O., 2019, Chesapeake Bay Watershed historical and future projected land use and climate data summarized for NHDPlusV2 catchments: U.S. Geological Survey data release,   

Maloney, K.O., Smith, Z.M., Buchanan, C., Nagel, A., and Young, J.A., "Predicting biological conditions for small headwater streams in the Chesapeake Bay watershed," Freshwater Science 37, no. 4 (December 2018): 795-809,

Marban, P.R., Mullinax, J.M., Resop, J.P., and Prosser, D.J., 2019. Assessing beach and island habitat loss in the Chesapeake Bay and Delmarva coastal bay region, USA, through processing of Landsat imagery: A case study. Remote Sensing Applications: Society and Environment, vol. 16, November 2019,

Miller, M.P., P.D. Capel, A.M. Garcia, and S.W. Ator. 2019. Response of Nitrogen Loading to the Chesapeake Bay to Source Reduction and Land Use Change Scenarios: A SPARROW-Informed Analysis. Journal of the American Water Resources Association, 1–13, DOI: 10.1111/1752-1688.12807.   

Murphy, R.R., E. Perry, J. Harcum, and J. Keisman. 2019. A Generalized Additive Model approach to evaluating water quality: Chesapeake Bay case study. Environmental Modelling and Software 118:1-13.

Noe, G.B., K. Boomer, J.L. Gillespie, C.R. Hupp, M. Martin-Alciati, K. Floro, E.R. Schenk, A. Jacobs, and S. Strano.  2019.  The effects of restored hydrologic connectivity on floodplain trapping vs. release of phosphorus, nitrogen, and sediment along the Pocomoke River, Maryland USA.  Ecological Engineering, vol. 138, p. 334-352.

Pindilli, E., Hogan, D., and Zhu Zhiliang, 2019, Employing an Ecosystem Services Framework to Deliver Decision Ready Science, Advances in Ecological and Environmental Research, vol. 4, issue 11, November 2019,

Roig-Silva, C.M., Milheim, L.E., Slonecker, E.T., Kalaly, S., and Chestnut, J., 2019, A comparison of hydrocarbon-related landscape disturbance patterns along the New York-Pennsylvania border, 2004–2013: U.S. Geological Survey Scientific Investigations Report 2019–5096, 23 p.,

Rybicki, N and J. Swearingen, 2018, Trapped Again? A New Species of Water Chestnut Discovered in the Potomac River, Invader of the Month (June, 2018), Maryland Invasive Species Council, this link outside of the USGS network

Rybicki, N, Swearingen J, and J. Odenkirk, 2019, Teaming up to Tackle Two-horned Trapa: A Highly Invasive New Species of Water Chestnut, Invader of the Month (July, 2019), Maryland Invasive Species Council Access this link outside of the USGS network

Schall, MK, Wertz, T, Smith, GD, Blazer, VS, Wagner, T. Movement dynamics of smallmouth bass (Micropterus dolomieu) in a large river‐tributary system. Fish Manag Ecol. 2019; 00: 1– 10.

Sekellick, A.J., Devereux, O.H., Keisman, J.L.D., Sweeney, J.S., and Blomquist, J.D., 2019, Spatial and temporal patterns of Best Management Practice implementation in the Chesapeake Bay watershed, 1985–2014: U.S. Geological Survey Scientific Investigations Report 2018–5171, 25 p.,

Toomey, M., Cantwell, M., Colman, S., Cronin, T., Donnelly, J., Giosan, L., et al. (2019). The mighty Susquehanna—Extreme floods in eastern North America during the past two millennia. Geophysical Research Letters, 46.

White, S.L.,  Kline, B.C., Hitt, N., and Wagner, T., 2019, Individual behaviour and resource use of thermally stressed brook trout Salvelinus fontinalis portend the conservation potential of thermal refugia, Journal of Fish Biology,

Williams, B.M., Phillips, P.J., Romanok, K., Scott, T.M., Smalling, K.L., Iwanowicz, L.R., Blazer, V.S., Sperry, A.J., and Braham, R.P., 2019, Organic contaminants, including hormones, pesticides, pharmaceuticals and other endocrine disrupting compounds, and estrogenicity data in select surface water samples as well as organic contaminants in bed sediment samples collected in Chesapeake Bay watershed in parts of Maryland, Pennsylvania, and West Virginia, 2012-2017: U.S. Geological Survey data release,
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Ator, S.W., Garcia, A. M., Schwarz, G.E., Blomquist, J.D., and Sekellick, A.J., 2018, Inputs and Selected Predictions of the CBTN_v5 and CBTP_v5 SPARROW Models for the Chesapeake Bay Watershed: U.S. Geological Survey data release,

Batzer, D.P., Noe, G.B., Lee, L., and Galatowitsch, M., 2018, A floodplain continuum for Atlantic coast rivers of the Southeastern US: predictable changes in floodplain biota along a river's length [Mark Brinson Review]. Wetlands 38:1-13,

Blazer, V.S., R.P. Braham, L.R. Iwanowicz, H.L. Walsh, J.D. Hedrick, J.E. Mullican, G.D. Smith, S.J. Reeser and A.E. Pinkney. 2018. 2004-2010 Chesapeake Bay smallmouth and largemouth bass estrogenic biomarker data. U.S. Geological Survey data release,

Blazer, V.S., H.L. Walsh, R. P. Braham and C. Smith, C. 2018. Necropsy-based wild fish health assessment. Journal of Visualized Experiments 139, e57946, DOI: 10.3791/57948,

Briggs, M., Johnson, Z., Snyder, C., Hitt, N., Kurylyk, B., Lautz, L., Irvine, D., Hurley, S., Lane, J., Inferring watershed hydraulics and cold-water habitat persistence using multi-year air and stream temperature signals, Journal Article, ScienceDirect,

Cashman, M.J., Gellis, A., Sanisaca, L.G., Noe, G.B., Cogliandro, V., and Baker, A., 2018, Bank-derived material dominates fluvial sediment in a suburban Chesapeake Bay watershed Wiley Online Library.

Chanat, J.G., and Yang, G., Exploring drivers of regional water-quality change using differential spatially referenced regression – a pilot study in the Chesapeake Bay watershed,

Devereux, O.H., Sekellick A.J., and LaMotte, A.E., 2018, Estimated effect of best management practice implementation on water quality in the Chesapeake Bay watershed from 1985 to 2014: U.S. Geological Survey data release,

Fanelli, R.M., Blomquist, J.D., and Hirsch, R.M., Point sources and agricultural practices control spatial-temporal patterns of orthophosphate in tributaries to Chesapeake Bay. Stoten (2018),

Hively, W.D., Devereux, O.H., and Keisman, J.L.D., 2018, Agricultural conservation practice implementation in the Chesapeake Bay watershed supported by the U.S. Department of Agriculture: U.S. Geological Data Series 1102, 46 p.,

Keisman, J.L.D., Devereux, O.H., LaMotte, A.E., Sekellick, A.J., and Blomquist, J.D., 2018, Manure and fertilizer inputs to land in the Chesapeake Bay watershed, 1950–2012, U.S. Geological Survey Scientific Investigations Report 2018–5022, 37 p.,

Lefcheck, J.S., Orth, R.J., Dennison, W.C., Wilcox, D.J., Murphy, R.R., Keisman, Jennifer, Gurbisz, Cassie, Hannam, M., Landry, J.B., Moore, K.A., Patrick C.J., Testa, Jeremy, Weller, D.E., and Batiuk, R.A., 2018, Long-term Nutrient Reductions Lead to the Unprecedented Recovery of a Temperate Coastal Region, Processing of the National Academy of Sciences of the United States of America.

Li, Y., T. Wagner and V.S. Blazer. 2018. Quantifying population-level effects of water temperature, flow velocity and chemical-induced reproduction depression: a simulation study with smallmouth bass. Ecological Modelling 384:63-74,

Maloney, K. O., J. A. Young, S. P. Faulkner, A. Hailegiorgis, E. T. Slonecker, and L. E. Milheim. 2018. A detailed risk assessment of shale gas development on headwater streams in the Pennsylvania portion of the Upper Susquehanna River Basin, U.S.A. Science of The Total Environment 610:154-166,

Merriam, E.R., J.T. Petty, K.O. Maloney, J.A. Young, S.P. Faulkner, E.T. Slonecker, L.E. Milheim, A. Hailegiorgis, and Niles, J., 2018, Brook Trout Distributional Response to Unconventional Oil and Gas Development: Landscape Context Matters. Science of the Total Environment 628-629, p 338-349,

Prosser, D.J., Nagel, J.L., Howlin, S., Marbán, P.R., Day, D.D., Erwin, R.M., 2018, Effects of Local Shoreline and Subestuary Watershed Condition on Waterbird Community Integrity: Influences of Geospatial Scale and Season in the Chesapeake Bay, Estuaries and Coasts (41) 207-222 ,

Prosser, D. J., Jordan, T. E., Nagel, J. L., Seitz, R. D., Weller, D. E., and Whigham, D. F., 2018, Impacts of coastal land use and shoreline armoring on estuarine ecosystems: An introduction to a special issue: Estuaries and Coasts, v. 41, Supplement 1, p. 2-28. 

Schall, M.K., M.L. Bartron, T. Wertz, J. Niles, C.H. Shaw, V.S. Blazer and T. Wagner. 2017. Evaluation of genetic population structure of smallmouth bass in the Susquehanna River basin, PA. North American Journal of Fisheries Management 37:850-861,

Schall, M.K., V.S. Blazer, H.L. Walsh, G.D. Smith, T. Wertz and T. Wagner. 2018. Spatial and temporal variability of myxozoan parasite,Myxobolus inornatus, prevalence in young of the year smallmouth bass in the Susquehanna River Basin, Pennsylvania.  Journal of Fish Diseases,

Schall, M.K., T. Wagner, V.S. Blazer, R.M. Lorantas, G.D. Smith, J. E. Mullican and B. J. Keplinger. 2018. Quantifying temporal trends of fisheries abundance using Bayesian dynamic linear models: A case study of riverine Smallmouth Bass populations.  North American Journal of Fisheries Management 38:493-501,

Terziotti, Silvia, Capel, P.D., Tesoriero, A.J., Hopple, J.A., and Kronholm, S.C., 2017, Estimates of nitrate loads and yields from groundwater to streams in the Chesapeake Bay watershed based on land use and geology: U.S. Geological Survey Scientific Investigations Report 2017–5160, 20 p.,

Walsh, H.L., V.S. Blazer, G. D. Smith, M. Lookenbill, D. A. Alvarez and K. L. Smalling. 2018. Risk factors associated with young-of-year Smallmouth Bass mortality in the Susquehanna River Basin, Pennsylvania, USA. Journal of Aquatic Animal Health 30:65-80

Yan Li, Vicki S. Blazer, Tyler Wagner, Quantifying population-level effects of water temperature, flow velocity and chemical-induced reproduction depression: A simulation study with smallmouth bass, Ecological Modelling, Volume 384, 2018, Pages 63-74,

Young, J.A., Maloney, K.O., Slonecker, E.T., Milheim, L.E., and Siripoonsup, D., 2018, Canopy Volume Removal From Oil and Gas Development Activity in the Upper Susquehanna River Basin in Pennsylvania and New York (USA): An Assessment Using Lidar Data, Journal of Environmental Management 222:66-75,

Zhang, Q., and Blomquist, J.D., 2018, Watershed export of fine sediment, organic carbon, and chlorophyll-a to Chesapeake Bay: Spatial and temporal patterns in 1984–2016, Science of the Total Environment, 619–620: 1066–1078,

Zhang, Q., Murphy, R.R., Tian, R., Forsyth, M.K., Trentacoste, E.M., Keisman, J., and Tango, P.J., 2018, Chesapeake Bay's water quality condition has been recovering: Insights from a multimetric indicator assessment of thirty years of tidal monitoring data, Science of the Total Environment, 637-638: 1617-1625,
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Briggs, M.A., Lane, J.W., Snyder, C.D., White, E.A., Johnson, Z.C., Neims, D.L., and Hitt, N.P., 2017, Shallow Bedrock Limits Groundwater Seepage-based Headwater Climate Refugia, Science Direct.

Fleming, B.J., Mensch, L.L., Denver, J.M., Cruz, R.M., and Nardi, M.R., 2017, Water quality in the surficial aquifer near agricultural areas in the Delaware Coastal Plain, 2014: U.S. Geological Survey Scientific Investigations Report 2017–5054, 28 p.

Gellis, A.C., Myers, M.K., Noe, G.B., Hupp, C.R., Schenk, E.R., and Myers, L., 2016, Storms, Channel Changes, and a Sediment Budget for an Urban-suburban stream, Difficult Run, Virginia, USA, Science Direct.

Gordon, S.E., Jones, D.K., Williams, B.M., and Wright, Christopher, 2017, Potential contaminant sources and other landscape variables summarized for NHDPlus Version 2.1 catchments within the Chesapeake Bay Watershed: U.S. Geological Survey data release,

Gorman Sanisaca, L.E., Gellis, A.C., and Lorenz, D.L., 2017, Determining the Sources of Fine-Grained Sediment Using the Sediment Source Assessment Tool (Sed_SAT: U.S. Geological Survey Open File Report 2017–1062, 104 p.,

Gross, E.L., and Cravotta, C.A., III, 2017, Groundwater Quality for 75 Domestic Wells in Lycoming County, Pennsylvania, 2014: U.S. Geological Survey Scientific Investigations Report 2016–5143, 74 p.

Hopkins, K.G., Loperfido, J.V., Craig, L.S., Noe, G.B., Hogan, D.M., 2017, Comparison of sediment and nutrient export and runoff characteristics from watersheds with centralized versus distributed stormwater management: Journal of Environmental Management, 203 (1) pp. 286–298,

Hyer, K.E., Denver, J.M., Langland, M.J., Webber, J.S., Böhlke, J.K., Hively, W.D, and Clune, J.W., 2016, Spatial and Temporal Variation of Stream Chemistry Associated With Contrasting Geology and Land-Use Patterns in the Chesapeake Bay Watershed—Summary of Results from Smith Creek, Virginia; Upper Chester River, Maryland; Conewago Creek, Pennsylvania; and Difficult Run, Virginia, 2010–2013, U.S. Geological Survey Scientific Investigations Report 2016–5093.

Iwanowicz, L.R., Ciparis, Serena, Blazer, V.S., Young, John, Pinkney, Alfred, Sperry, Adam, Lookenbill, Josh, and Mullican, John, 2017, Estrogen equivalents of surface water in the Upper Chesapeake Bay Watershed (2008 - 2011): U.S. Geological Survey data release,

MacLeod, A.H., V.S. Blazer, M.A. Matsche and L.T. Yonkos. 2017. Non-lethal laparoscopic detection of intersex (testicular oocytes) in largemouth bass (Micropterus salmoides) and smallmouth bass (Micropterus dolomieu). Environmental Toxicology and Chemistry 36:1924-1933, Environmental Toxicology and Chemistry.

Means, M.M., Ahn, Changwoo, and Noe, G.B., 2017, Planting Richness Affects the Recovery of Vegetation and Soil Processes in Constructed Wetlands Following Disturbance, Journal Article, pp 1366–1378, Science Direct.

Messer, T.L., Burchell, M.R., Böhlke, J.K., and Tobias, C.R., 2017, Tracking the fate of nitrate through pulse-flow wetlands: A mesocosm scale 15N enrichment tracer study. Ecological Engineering, v. 106, p. 597-608.

Maloney, K.O., Young, J.A., Faulkner, S.P., Hailegiorgis, Atesmachew, Slonecker, E.T., and Miheim, L.E., 2017, A Detailed Risk Assessment of Shale Gas Development on Headwater Streams in the Pennsylvania Portion of the Upper Susquehanna River Basin, U.S.A., Science Direct.

Maloney, K.O., Baruch-Mordo, Sharon, Patterson, L.A., Nicot, Jean-Philippe, Entrekin, S.A., Fargione, J.E., Kiesecker, J.M., Konschnik, K.E., and Ryan, J.N., 2017, Unconventional oil and gas spills: Materials, volumes, and risks to surface waters in four states of the U.S., Journal Article, Science Direct.

Jennifer, Landry, Orth, R.J., Dennison, W.C., Lefcheck, J.S., Gubisz, Cassie, Hannam, Michael, Keisman, J.B., Moore, K.A., Murphy, R.R., Patrick C.J., Testa, Jeremy, Weller, D.E., and Wilcox, D.J., 2017, Submersed Aquatic Vegetation in Chesapeake Bay: Sentinel Species in a Changing World, Journal Article.

Johnson, Z.C., Snyder, C.D., and Hitt, N.P., 2017, Landform Features and Seasonal Precipitation Predict Shallow Groundwater Influence on Temperature in Headwater Streams, AGU Journal Water Resources Research, Vol. 53, Issue 7, pp. 5788-5812

Patterson, L.A., Konschnik, K.E., Wiseman, Hannah, Farglone, J.E., Maloney, K.O., Kiesecker, J.M., Nicot, Jean-Philippe, Baruch-Mordo, Sharon, Entrekin, S.A., Trainor, Anne, and Saiers, J.E., 2017, Unconventional Oil and Gas Spills: Risks, Mitigation Priorities, and State Reporting Requirements, Journal Article, ACS Publications.

Phillips, P.J., Scott, T.-M., Smalling, Kelly, and Kolpin, D.W., 2017, Hormone, pesticide, pharmaceutical and other organic compound data for select water and bed sediment samples collected in Chesapeake Bay watershed in parts of Maryland, Pennsylvania, Virginia, and West Virginia, 2006-2014: U.S. Geological Survey data release.

Phillips, S.W., Hyer, Kenneth, and Goldbaum, Elizabeth, 2017, U.S. Geological Survey Science—Improving the value of the Chesapeake Bay watershed: U.S. Geological Survey Fact Sheet 2017–3031, 2 p.

Raffensperger, J.P., Baker, A.C., Blomquisit, J.D., and Hopple, J.A., 2017, Optimal Hydrograph Separation Using a Recursive Digital Filter Constrained by Chemical Mass Balance, with Application to Selected Chesapeake Bay Watersheds, U.S. Geological Survey Scientific Investigations Report 2017–5034, 51 p.

Rice, K.C., Moyer, D.L., and Mills, A.L., 2017, Riverine discharges to Chesapeake Bay: Analysis of long-term (1927–2014) records and implications for future flows in the Chesapeake Bay basin, Elsevier, Journal Article, Volume 204, Part 1, pp 246-254.

Sanford, W.E., Plummer, L.N., Casile, Gerolamo, Busenberg, Ed, Nelms, D.L., and Schlosser, Peter, 2017, Using dual-domain advective-transport simulation to reconcile multiple-tracer ages and estimate dual-porosity transport parameters, AGU, Water Resources Research, Journal Article.

Schall, M.K., Bartron, M.L., Niles, J.M., Shaw, C.H., Blazer, V.S., and Wagner, Tyler, 2017, Evaluation of Genetic Population Structure of Smallmouth Bass in the Susquehanna River Basin, PA, Journal Article, North American Journal of Fisheries Management.

Sekellick, A.J., 2017, Nitrogen and phosphorus from fertilizer and manure in the Chesapeake Bay watershed, 1950-2012: U.S. Geological Survey data release,

Sparkman, S.A., Hogan, D.M., Hopkins, K.G., and Loperfido, J.V., 2017, Modeling Watershed-Scale Impacts of Stormwater Management with Traditional versus Low Impact Development Design, Journal of the American Water Resources Association, Journal Article.

Wooldland, R.J., Rowe, C.L., and Henry P.F.P, 2017, Changes in Habitat Availability for Multiple Life Stages of Diamondback Terrapins (Malaclemys terrapin) in Chesapeake Bay in Response to Sea Level Rise, Journal Article, 14 p.
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Ator, S.W., and Garcia, Ana Maria, 2016, Application of Sparrow Modeling to Understanding Contaminant Fate and Transport from Uplands to Streams Journal of the American Water Resources Association, Journal Article, 20 p.

Bell J.M., Simonson, A.E., and Fisher, I.J., 2016, Urban hydrology—Science Capabilities of the U.S. Geological Survey U.S. Geological Survey Fact Sheet 2016-3023, 2 p.

Blazer, V.S., Hitt, N.R., Synder, C.D., Snook, E.L., and Adams, C.R., Dermocystidium sp. Infection in Blue Ridge Sculpin Captured in Maryland Journal Article, Aquatic Animal Health, vol. 28, issue 3, pp 143-149.

Burns, D.A., Miller, M.P., Pellerin, B.A., and Capel, P.D., 2016, Patterns of Diel Variation in Nitrate Concentrations in the Potomac River, The University of Chicago Press Journals, Vol 25, No. 4

Fisher, S.C., Fanelli, R.M., and Selbig, W.R., 2016, Urban Infrastructure and Water Management—Science Capabilities of the U.S. Geological Survey, U.S. Geological Survey Fact Sheet 2016–3025, 2 p.

Hitt, N.P., Snook, E.L., and Massie, D.L., 2016, Brook Trout Use of Thermal Refugia and Foraging Habitat Influenced by Brown Trout, Journal Article.

Jastram, J.D., and Hyer, K.E., 2016, Contaminants in Urban Waters—Science Capabilities of the U.S. Geological Survey U.S. Geological Survey Fact Sheet 2016–3024, 2 p.

Korol A.R., Ahn, Changwoo, Noe, G.B., 2016, Richness, Biomass, and Nutrient Content of a Wetland Macrophyte Community Affect Soil Nitrogen Cycling in a Diversity-Ecosystem Functioning Experiment, Journal Article.

Kronholm, S.C., and Capel, P.D., 2016, Estimation of Time-Variable Fast Flow Path Chemical Concentrations for Application in Tracer-Based Hydrograph Separation Analyses, Water Resources Research, Research Article, AGU Journal.

Lazarus, R.B., Rattner, B.A., McGowan, P.C., Hale, R.C., Karouna-Renier, N.K., Erickson, R.A., and Ottinger M.A., 2016, Chesapeake Bay Fish-Osprey (Pandion haliaetus) Food Chain: Evaluation of Contaminant Exposure and Genetic Damage: Environmental Toxicology and Chemistry. DOI: 10.1002/etc.3386.

Miller, M.P., Tesoriero, A.J., Capel, P.D., Pellerin, B.A., Hyer, K.E., and Burns, D.A., 2016, Quantifying watershed-scale groundwater loading and in-stream fate of nitrate using high-frequency water quality data, AGU, Water Resources Journal.

Lee, Minjin, Shevliakova, Elena, Malyshev, Sergey, Milly, P.C.D., and Jaffé, 2016, Climate variability and extremes, interacting with nitrogen storage, amplify eutrophication risk, AGU Publications, pp. 7520-7528.

Moyer, D.L. and Blomquist, J.D, 2016, Summary of Nitrogen, Phosphorus, and Suspended-Sediment Loads and Trends Measured at the Chesapeake Bay Nontidal Network Stations: Water Year 2014 Update, accessed: Feb 3, 2016:

Noe, G.B., Hupp, C.R., Bernhardt, C.E., and Krauss, K.W., 2016, Contemporary Deposition and Long-Term Accumulation of Sediment and Nutrients by Tidal Freshwater Forested Wetlands Impacted by Sea Level Rise, Journal Article, pp 1-14.

Noe, G.B., Korol, A.R., Ahn, Changwoo, 2016, Richness, Biomass, and Nutrient Content of a Wetland Macrophyte Community Affect Soil nitrogen cycling in a Diversity-Ecosystem Functioning Experiment, Ecological Engineering, Journal Article, ScienceDirect, Vol 95, pp 252-265.

Patterson, L.A., and Maloney, K.O., 2016, Transport of Hydraulic Fracturing Waste from Pennsylvania wells: A County-level Analysis of Road Use and Associated Road Repair Costs, Science Direct, Journal of Environmental Management, Volume 181, p. 353-362.

Perry, M.C., ed., 2016, The history of Patuxent—America’s wildlife research story: U.S. Geological Survey Circular 1422, 255 p.

Porto, Paolo, Walling, D.E., Cogliandro, Vanessa, and Callegari, Giovanni, 2016, Validating a Mass Balance Accounting Approach to Using 7Be Measurements to Estimate Event-Based Erosion Rates Over an Extended Period at the catchment Scale, Journal Article.

Reilly, P.A., Szabo, Zoltan, and Coles, J.F., 2016, Urban Development and Stream Ecosystem Health—Science Capabilities of the U.S. Geological Survey U.S. Geological Survey Fact Sheet 2016–3026, 2 p.

Zhang, Qian, Hirsch, R.M., and Ball, W.P., 2016, Long-Term Changes in Sediment and Nutrient Delivery from Conowingo Dam to Chesapeake Bay: Effects of Reservoir Sedimentation, Environmental Sciences & Technology,
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Ator, S.W., and Denver, J.M., 2015, Understanding nutrients in the Chesapeake Bay watershed and implications for management and restoration—The Eastern Shore: U.S. Geological Survey Circular 1406, 72 p., revised June 11, 2015, version 1.2.

Batson, J., Noe, G.B, Hupp, C.R., Krauss, K.W., Rybicki, N.B., and Schenk, E.R., 2015, Soil greenhouse gas emissions and carbon budgeting in a short-hydroperiod floodplain wetland, Journal of Geophysical Research, Biogeoscinces, 120-77-95, doi:10.1002/2014JG002817.

Bhandari, R.K., vom Sall, F.S., and Tillitt, D.E., 2015, Transgenerational effects from early developmental exposures to bisphenol A or 17 a-ethinylestradiol in medaka, Oryzias latipes, Journal Article.

Chanat, J.G., Moyer, D.L., Blomquist, J.D., Hyer, K.E., and Langland, M.J., 2016, Application of a Weighted Regression Model for Reporting Nutrient and Sediment Concentrations, Fluxes, and Trends in Concentration and Flux for the Chesapeake Bay Nontidal Water-Quality Monitoring Network, Results Through Water Year 2012: U.S. Geological Survey Scientific Investigations Report 2015–5133, 76 p.

Converse, P.E., Kuchta, S.R., Roosenburg, W.M., Henry, P.F.P., Haramis, G.M., and King, T.L., 2015, Spatiotemporal analysis of gene flow in Chesapeake Bay Diamondback Terrapins (Malaclemys terrapin) Molecular Ecology, Wiley Online Library, Volume 24, Issue 23, pp 5864-5876.

Ensign, S.H., Noe, G.B., Hupp, C.R., and Skalak, K.J., 2015, Head-of-tide Bottleneck of Particulate Material Transport from Watersheds to Eestuaries AGU Journal Article.

Gellis, A.C., Noe, G.B., Clune, J.W., Myers, M.K., Hupp, C.R., Schenk, E.R., and Schwarz, G.E., 2015, Sources of fine-grained sediment in the Linganore Creek watershed, Frederick and Carroll Counties, Maryland, 2008–10: U.S. Geological Survey Scientific Investigations Report 2014–5147, 56 p.

Hirsch, R.M., Archfield, S.A., De Cicco, L.A., 2015, A Bootstrap Method for Estimating Unvertainty of Water Quality Trends, ScienceDirect, Vol 73, p 148-166.

Hively, W.D., Duiker, S. McCarty, G., and Prabhakara, K., Remote Sensing to Monitor Cover Crop Adoption in Southeastern Pennsylvania, Journal of Soil and Water Conservation, vol. 70, no. 6, 340-352.

Iwanowicz, L.R., Blazer, V.S., Pinkney, A.E., Guy, C.P., Major, A.M., Munney, K., Mierzykowski, S., Lingenfelser, S., Secord, A., Patnode, K., Kubiak, T.J., Stern, C., Hahn, C.M., Iwanowicz, D.D., Walsh, H.L., and Sperry A., 2015, Evidence of estrogenic endocrine disruption in smallmouth and largemouth bass inhabiting Northeast U.S. national wildlife refuge waters: A reconnaissance study, ScienceDirect, Vol 124, p 50-59.

Jastram, J.D., and Rice, K.C., 2015, Air- and stream-water-temperature trends in the Chesapeake Bay region, 1960–2014: U.S. Geological Survey Open-File Report 2015?1207, 28 p.,

Langland, M.J., 2015, Sediment Transport and Capacity Change in Three Reservoirs, Lower Susquehanna River Basin, Pennsylvania and Maryland, 1900–2012: U.S. Geological Survey Open-File Report 2014–1235, 18 p.

Lazarus, R. S., B. A. Rattner, P. C. McGowan, R. C. Hale, S. L. Schultz, N. K. Karouna-Renier, and M. A. Ottinger. 2015. Decadal re-evaluation of contaminant exposure and productivity of ospreys (Pandion haliaetus) nesting in Chesapeake Bay Regions of Concern, Volume 205. Environmental Pollution 205:278-290.

Lazarus, R.B., Rattner, B.A., Brooks, B.W., Du Bowen, McGowan, P.C., Blazwer, V.S., Ottinger, M.A., 2014, Exposure and Food Web Transfer of Pharmaceuticals in Ospreys (Pandion haliaetus): Predictive Model and Empirical Data: Integrated Environmental Assessment and Management, Journal Article, Volume 11, pp. 118-129.

Phillips, Scott, and Blomquist, Joel, eds., 2015, U.S. Geological Survey Chesapeake science strategy, 2015–2025—Informing ecosystem management of America’s largest estuary: U.S. Geological Survey Open-File Report 2015–1162, 43 p.

Prabhakara, Kusuma., W.Dean Hively, and Gregory W. McCarty, 2015, Evaluating the relationship between biomass, percent groundcover and remote sensing indices across six winter cover crop fields in Maryland, United States. International Journal of Applied Earth Observation and Geoinformation 39:88-102.

Rice, K.C., and Jastram, J.D., 2015, Rising air and stream-water temperatures in Chesapeake Bay region, USA, Springer, Article, Volume 128, Issue 1, pp 127-138.

Snyder, C.D., Hitt, N.P., and Young, J.A., 2015, Accounting for groundwater in stream fish thermal habitat responses to climate change. Ecological Applications 25:1397–1419.
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Blazer, V.S., Iwanowicz, D.D., Walsh, H.L., Sperry, A.J., Iwanowicz, L.R., Alvarez, D.A., Brightbill, R.A., Smith, G., Foreman, W.T., and Manning. R., 2014, Reproductive Health Indicators of Fishes from Pennsylvania Watersheds: Association with Chemicals of Emerging Concern, Environmental Monitoring and Assessment, Journal Article, pp. 6471-6491.

Böhlke, J.K., Jurgens, B., Uselmann, D., and Eberts, S.M., 2014, GAMACTT: Groundwater Age Mixtures and Contaminant Trends Tool. USGS online interactive webtool, available at

Böhlke, J.K., Jurgens, B., Uselmann, D., and Eberts, S.M., 2014, Educational Webtool Illustrating Effects of Groundwater age on Contaminant Trends in Discharge. Groundwater. v. 52(S1), p. 8-9, plus 19p. Appendix.

Cronin, T.M., Farmer, J., Marzen, R.E., Thomas, E., and Varekamp, J.C., 2014, Late Holocene Sea-Level Variability and Atlantic Meridio Research Article.

Hively, W.D., Devereux, O.H., and Claggett., P., 2013, Integrating Federal and State data records to report progress in establishing agricultural conservation practices on Chesapeake Bay farms: U.S. Geological Survey Open-File Report 2013-1287, 36 p.

Jastram, J.D., 2014, Streamflow, Water Quality, and Aquatic Macroinvertebrates of Selected Streams in Fairfax County, Virginia, 2007–12: U.S. Geological Survey Scientific Investigations Report 2014–5073, 68 p.

Loperfido, J.V., Noe, G.B., Jarnagin, S.T., Hogan, D.M., 2014, Effects of Distributed and Centralized Stormwater Best Management Practices and Land Cover on Urban Stream Hydrology at the Catchment Scale, Journal of Hydrology, Science Direct.

Lyerly, C.M., A.L. Hernández Cordero, K.L. Foreman, S.W. Phillips, W.C. Dennison (eds.). 2014. New Insights: Science-based evidence of water quality improvements, challenges, and opportunities in the Chesapeake

Lyerly, C.M., Richard Batiuk, Ana L. Hernández Cordero, William C. Dennison, Margaret M.G. Enloe, Catherine Krikstan, C and Scott Phillips, 2014, Executive Summary of New Sights: Science-based evidence of water quality improvements, challenges, and opportunities in the Chesapeake

Sanford, W.E., and Pope, J.P., 2013, Quantifying Groundwater’s Role in Delaying Improvements to Chesapeake Bay Water Quality: Environmental Science & Technology, Journal Article.

USGS works with academic and CBP partners to summarize science on water-quality improvements in the Chesapeake Ecosystem ...learn more (2014)

USGS co-leads special issue of the Journal of Soils and Sediments focused on suspended sediment sourcing to understand surface processes, as well as address management concerns as they relate to stream turbidity and surface water quality. This special issue contains contributions from 29 researchers from studies in Africa, Asia, Europe, and North America that reflect the current state-of-the science on sediment sourcing. (12/2013)

Science Summary—Sources, Fate, and Transport of Nitrogen and Phosphorus in the Chesapeake Bay Watershed—Interpretations and Applications of Spatially Referenced Regression on Watershed Attributes (SPARROW) Nutrient Model Results more.

Young, John, Iwanowicz, Luke, Sperry, Adam, and Blazer, Vicki, 2014, A Landscape-based Reconnaissance Survey of Estrogenic Activity in Streams of the Upper Potomac, Upper James, and Shenandoah Rivers, USA, Journal Article.
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Ator, S.W., Denver, J.M., Lamotte, A.E., and Sekellick, A.J., 2013, A Regional classification of the effectiveness of depressional wetlands at mitigating nitrogen transport to surface waters in the northern Atlantic Coastal Plain: U.S. Geological Survey Scientific Investigations Report 2012–5266, 23 p.

Blazer V.S., Pinkney, A.E., and Uphoff, J.H., 2013, Reproductive health of yellow perch, Perca flavescens, in Chesapeake Bay Tributaries: U.S. Geological Survey Fact Sheet 2013–3055, 2 p.

Blazer, V.S., Pinkney, A.E., Jenkins, J.A., Iwanowicz, L.R., Minkkinen, Steven, Draugelis-Date, R.O., and Uphoff, J.H., 2013, Reproductive Health of Yellow Perch Perca flavescens in Selected Tributaries of the Chesapeake Bay: Journal Article, Volumne 447, pp 198-209.

Eggleston, Jack, and Pope, Jason, 2013, Land Subsidence and Relative Sea-Level Rise in the Southern Chesapeake Bay Region, U.S. Geological Survey Circular 1392, 30 p.

Gellis, A.C., and Noe, G.B., 2013, Sediment Source Analysis in the Linganore Creek Watershed, Maryland, USA, using the Sediment Fingerprinting Approach: 2008 to 2010, Journal of Soils and Sediments, pp. 1735-1753.

Hively, W.D., Devereux, O.H., Claggett, Peter, 2013, Integrating Federal and State Data Records to Report Progress in Establishing Agricultural Conservation Practices on Chesapeake Bay Farms, U.S. Geological Survey Open-File Report 2013-1287, 36 p.

Hupp, C.R., G.B. Noe, E.R. Schenk, and A.J. Benthem. 2013. Recent and historic sediment dynamics along Difficult Run, a suburban Virginia Piedmont stream. Geomorphology 180–181: 156–169.

Iwanowicz, L.R., Densmorea, C., Hahna, C., McAllistera P., and Odenkirk, J., 2013, Identification of Largemouth Bass Virus in the Introduced Northern Snakehead Inhabiting the Chesapeake Bay Watershed, Journal of Aquatic Animal Health, Volume 25, Issue 3.

Kolpin, D.W., Blazer, V.S., Gray, J.L., Focazio, M.J., et al., 2013, Chemical Contaminants in Water and Sediment Near Fish Nesting Sites in the Potomac River basin: Determining Potential Exposures to Native smallmouth Bass (Micropterus dolomieu): Science Direct. v. 443, p. 700-716.

Ladino, C.C., 2013, Defining a data management strategy for USGS Chesapeake Bay studies: U.S. Geological Survey Open-File Report 2012–1005, 7 p.

Langland, M.J., Blomquist, J.D., Moyer, D.L., Hyer, K.E., and Chanat, J.G., 2013, Total nutrient and sediment loads, trends, yields, and nontidal water-quality indicators for selected nontidal stations, Chesapeake Bay Watershed, 1985–2011: U.S. Geological Survey Open-File Report 2013–1052, 51 p.

Noe, G.B., C.R. Hupp, and N.R. Rybicki, 2013, Hydrogeomorphology influences soil nitrogen and phosphorus mineralization in floodplain wetlands. Ecosystems DOI: 10.1007/s10021-012-9597-0.

Sanford, W.E., 2013, Quantifying Groundwater’s Role in Delaying Improvements to Chesapeake Bay Water Quality, Environmental Science and Technology, 23 p.

Schenk, E.R., C.R. Hupp, A. Gellis, and G.B. Noe. 2013. Developing a new stream metric for comparing stream function using a bank-floodplain sediment budget: a case study of three Piedmont streams. Earth Surface Processes and Landforms. DOI: 10.1002/esp.3314.

Wolf, K., Noe, G.B., and Ahn, C., 2013, Hydrologic Connectivity to Streams Increases Nitrogen and Phosphorus Inputs and Cycling in Soils of Created and Natural Floodplain Wetlands, Journal of Environmental Quality, Vol 42, 4 p.

Yager, Richard & Plummer, Niel & Kauffman, Leon & Doctor, Daniel & Nelms, David & Schlosser, Peter. (2013). Comparison of age distributions estimated from environmental tracers by using binary-dilution and numerical models of fractured and folded karst: Shenandoah Valley of Virginia and West Virginia, USA. Hydrogeology Journal. 21. 10.1007/s10040-013-0997-9
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Ator, Scott W. and Denver, Judith M., 2012, Estimating contributions of nitrate and herbicides from groundwater to headwater streams, Northern Atlantic Coastal Plain, United States: JAWRA DOI: 10.1111/j.1752-1688.2012.00672.x.

Claggett, Peter, and Thompson, Renee, eds., 2012, Proceedings of the workshop on alternative futures—Accounting for growth in the Chesapeake Bay watershed: U.S. Geological Survey Open-File Report 2012–1216, 29 p.

Clune, J.W., and Denver, J.M., 2012, Residence time, chemical and isotopic analysis of nitrate in the groundwater and surface water of a small agricultural watershed in the Coastal Plain, Bucks Branch, Sussex County, Delaware: U.S. Geological Survey Scientific Investigations Report 2012–5235, 15 p.

Gellis, Allen, Banks W.S., and Wieczorek, M.E., and Massoudieh, Arash, 2012, Suspended sediment source apportionment in Chesapeake Bay Watershed Using Bayesian Chemical Mass Balance Receptor Modeling Wiley Online Library 12 p.

Hirsch, R.M., 2012, Flux of Nitrogen, Phosphorus, and Suspended Sediment from the Susquehanna River Basin to the Chesapeake Bay during Tropical Storm Lee, September 2011, as an Indicator of the Effects of Reservoir Sedimentation on Water Quality: U.S. Geological Survey Scientific Investigations Report, 17 p.

Kolpin, D.W., Blazer, V.S., Gray, J.L., Focazio, M.J., Young, J.A., Alvarez, D.A., Iwanowicz, L.R., Foreman, W.T., Furlong, E.T., Speiran, G.K., Zaugg, S.D., Hubbard, L.E., Meyer, M.T., Sandstrom, M.W., and Barber, L.B., 2012, Chemical Contaminants in Water and Sediment Near Fish Nesting Sites in the Potomac River Basin: Determining Potential Exposures to Smallmouth Bass (Micropterus dolomieu), ScienceDirect, pp 700-716.

Moyer, D.L., Hirsch, R.M., and Hyer, K.E., 2012, Comparison of Two Regression-Based Approaches for Determining Nutrient and Sediment Fluxes and Trends in the Chesapeake Bay Watershed, U.S. Geological Scientific Investigations Report, 118 p.

N.P. Hitt, Eyler, S., and J.E.B. Wofford. 2012. Dam removal increases American eel abundance in distant headwater streams. Transactions of the American Fisheries Society 141:1171-1179.

Langland, Michael, Blomquist, Joel, Moyer, Douglas, and Hyer, Kenneth, 2012, Nutrient and suspended-sediment trends, loads, and yields and development of an indicator of streamwater quality at nontidal sites in the Chesapeake Bay watershed, 1985–2010: U.S. Geological Survey Scientific Investigations Report 2012–5093, 26 p.

Reif, A.G., Crawford, J.K., Loper, C.A., Proctor, Arianne, Manning, Rhonda, and Titler, Robert, 2012, Occurrence of Pharmaceuticals, Hormones, and Organic Wastewater Compounds in Pennsylvania waters, 2006–09: U.S. Geological Survey Scientific Investigations Report 2012–5106, 99 p.

Rice, K.C., Hong, Bo, and Shen, Jian, 2012, Assessment of salinity intrusion in the James and Chickahominy Rivers as a result of simulated sea-level rise in Chesapeake Bay, East Coast, USA: Journal of Environmental Management, vol. 111, p. 61-69. doi: 10.1016/j.jenvman.2012.06.036.

Rice, K.C., and Hirsch, R.M., 2012, Spatial and temporal trends in runoff at long-term streamgages within and near the Chesapeake Bay Watershed: U.S. Geological Survey Scientific Investigations Report 2012–5151, 56 p.

Sanford, W.E., Pope, J.P., Selnick, D.L., and Stumvoll, R.F., 2012, Simulation of groundwater flow in the shallow aquifer system of the Delmarva Peninsula, Maryland and Delaware: U.S. Geological Survey Open-File Report 2012–1140, 58 p.

Schenk, E.R., Hupp, C.R., Gellis, A. and Noe, G. (2013), Developing a new stream metric for comparing stream function using a bank–floodplain sediment budget: a case study of three Piedmont streams. Earth Surf. Process. Landforms, 38: 771-784. doi:10.1002/esp.3314.

Smith, D.R., Synder, C.D., Hill, N.P., Young, J.A., and Faulkner, S.P., 2012, Shale Gas Development and Brook Trout: Scaling Best Management Practices to Anticipate Cumulative Effects, Journal Article, pp 366-381.

Stavreva, D., George, A., Klausmeyer, P. et al. Prevalent Glucocorticoid and Androgen Activity in US Water Sources. Sci Rep 2, 937 (2012).
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Ator, S.W., Brakebill, J.W., and Blomquist, J.D., 2011, Sources, fate, and transport of nitrogen and phosphorus in the Chesapeake Bay watershed—An empirical model: U.S. Geological Survey Scientific Investigations Report 2011–5167, 27 p.

Blazer, V.S., Iwanowicz, L.R., Henderson, H. et al. Reproductive endocrine disruption in smallmouth bass (Micropterus dolomieu) in the Potomac River basin: spatial and temporal comparisons of biological effects. Environ Monit Assess 184, 4309–4334 (2012).

Gellis, A.C., and Walling, D.E, 2011, Sediment-source fingerprinting (tracing) and sediment budgets as tools in targeting river and watershed restoration programs: Simon, A., Bennett, S.., Castro, J.M., eds., Stream Restoration in Dynamic Fluvial Systems: Scientific Approaches, Analyses, and Tools, American Geophysical Union Monograph Series 194, p. 263-291.

Hively, W.D., C.J. Hapeman, L.L. McConnell, T.R. Fisher, C.P. Rice, G.W. McCarty, P. Downey, G. Nino de Guzman, K. Bialek, M.W. Lang, A.M. Sadeghi, D.R. Whitall, T.E. Jordan, A. Lynn, A.B. Gustafson, A.J. Sutton, K.A. Sefton, and J.A. Harman Fetcho. 2011, Relating Nutrient and Herbicide Fate with Landscape Features in 15 Sub-Basins of the Choptank River Watershed: Implications for Management. Science Direct [in press, Science of the Total Environment]

Merritts, D., Walter, R., Rahnis, M., Hartranft, J., Cox, S, Gellis, A., Potter, N., Hilgartner, W., Langland, M., Manion, L., Lippincott, C., Siddiqui, S., Rehman, Z., Scheid, C., Kratz, L., Shilling, A., Jenschke, M., Datin, K., Cranmer, E., Reed, A., Matuszewski, D., Voli, M., Ohlson, E., Neugebauer, A., Ahamed, A., Neal, C., Winter, A., and Becker, S., 2011, Anthropocene Streams and Base-level Controls from Historic Dams in the Unglaciated Mid-Atlantic Region, USA: Philosophical Transactions of the Royal Society A- Mathematical, Physical and Engineering Sciences, v. 369, p. 976-1009.

Noe, G.B. (2011), Measurement of Net Nitrogen and Phosphorus Mineralization in Wetland Soils Using a Modification of the Resin‐Core Technique. Soil Sci. Soc. Am. J., 75: 760-770. doi:10.2136/sssaj2010.0289.

Rice, K.C., Bennett, M.R., and Shen, Jian, 2011, Simulated changes in salinity in the York and Chickahominy Rivers from projected sea-level rise in Chesapeake Bay: USGS Open-File Report 2011-1191, 31 p.

Wolf, K.L., C. Ahn, and G.B. Noe, 2011, Development of Soil Properties and Nitrogen Cycling in Created Wetlands. Wetlands 31: 699-712.

Wolf, K.L., Ahn, C. & Noe, G.B. Development of Soil Properties and Nitrogen Cycling in Created Wetlands. Wetlands 31, 699–712 (2011).
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Ator, S.W., Brakebill, J.W., and Schwarz, G.E., 2010, Mapping vulnerability to upland erosion in the Chesapeake Bay Watershed: Proceedings of the Joint Federal Interagency Sedimentation and Modeling Conference, Las Vegas, Nevada, June 27 – July 1, 2010, 11 p.

Atkinson, R.B., J.E. Perry, G.B. Noe, W.L. Daniels, and J. Cairns Jr. 2010, Primary productivity in 20-year old created wetlands in southwestern Virginia, Wetlands 30: 200-210.

Banks, W.S.L., Gellis, A.C., and Noe, G., Sources of Fine-Grained Suspended Sediment in Mill Stream Branch Watershed, Corsica River Basin, A Tributary to the Chesapeake Bay, Maryland, 2009, in Proceedings, 2nd Joint Federal Interagency, Las Vegas, NV, June 27 - July 1, 2010, CD-ROM ISBN 978-0-0779007-3-2, 6B, 12p.

V. S. Blazer, L. R. Iwanowicz, C. E. Starliper, D. D. Iwanowicz, P. Barbash, J. D. Hedrick, S. J. Reeser, J. E. Mullican, S. D. Zaugg, M. R. Burkhardt & J. Kelble (2010) Mortality of Centrarchid Fishes in the Potomac Drainage: Survey Results and Overview of Potential Contributing Factors, Journal of Aquatic Animal Health, 22:3, 190-218, DOI: 10.1577/H10-002.1.

Brakebill, John W., 2010, Sources of Suspended-Sediment Flux in Streams of the Chesapeake Bay Watershed: A Regional Application of the SPARROW Model, Journal of the American Water Resources Association.

Bratton, John F., VeeAnn A. Cross, and David S. Foster, 2010, Exploring the evolution of Chesapeake Bay over the last two glacial cycles using 3D visualization and animation, Northeast/Southeast Sections Joint Meeting, Geological Society of America, Abstracts with Programs, Abstract 77-2, 13-16 March 2010, Baltimore, MD.

Bratton, John F., 2010, The three scales of submarine groundwater flow and discharge across passive continental margins, The Journal of Geology, vol. 118, no. 5., p. 565-575, doi: 10.1086/655114.

Bykova, L., Archer‐Hartmann, S.A., Holland, L.A., Iwanowicz, L.R. and Blazer, V.S. (2010), Steroid determination in fish plasma using capillary electrophoresis. Environmental Toxicology and Chemistry, 29: 1950-1956. doi:10.1002/etc.252.

Cahoon, D.R., Guntenspargen, and Baird, S., 2010, Thumbs Up or Down to Annual Burning of a Tidal March in Maryland, Fire Science Brief, 6 p.

Clune, J.W., Gellis, A.C., and McKee, L.G., 2010, Agricultural Soil Erosion Rates for the Linganore Creek Watershed in the Piedmont Physiographic Province of the Chesapeake Bay Watershed: 2nd Joint Federal Interagency Proceedings, Las Vegas, NV, June 27 - July 1, 2010. Available at

Cross, V.A., D.S. Foster, and J.F. Bratton, 2010, Continuous resistivity profiling and seismic-reflection data collected in 2006 from the Potomac River Estuary, Virginia and Maryland, U.S. Geological Survey Open-File Report 2009-1151.

Denver, J.M., Cravotta, III, C.A., Ator, S.W., and Lindsey, B.D., 2010, Contributions of Phosphorus from Groundwater to Streams in the Piedmont, Blue Ridge, and Valley and Ridge Physiographic Provinces, Eastern United States U.S. Geological Survey Open-File Report 2010-5176.

Denver, J.M., Tesoriero, A.J. and Barbaro, J.R. (2010), Trends and Transformation of Nutrients and Pesticides in a Coastal Plain Aquifer System, United States. J. Environ. Qual., 39: 154-167. doi:10.2134/jeq2009.0107.

Devereux, O.H., Prestegaard, K.L., Needelman, B.A., Gellis, A.C., 2010, Suspended-sediment sources in an urban watershed, Northeast Branch Anacostia River, Maryland: Hydrological Processes, v. 24(11), p. 1391 – 1403.

Erwin, R.M., Brinker, D.F., Watts, B.D. et al. Islands at bay: rising seas, eroding islands, and waterbird habitat loss in Chesapeake Bay (USA). J Coast Conserv 15, 51–60 (2011).

Hirsch, Robert M., Mayer, Douglas L., and Archfield, Stacey A., 2010, Weighted Regressions on Time, Discharge, and Season (WRTDS), with an Application to Chesapeake Bay River Inputs, Journal of the American Water Resources Association.

Hunt, R., W.D. Hively, S. Fujikawa, T.L. Ng, M. Tranchitella, W. Raszula, D. Yoel, C.S.T. Daughtry, and G.W. McCarty. 2010, Remote Sensing Leaf Area Index of Winter Wheat from Unmanned Airborne Vehicles (UAVs). Remote Sensing 2:290-305.

Kroes, Daniel & Hupp, Cliff. (2010). The Effect of Channelization on Floodplain Sediment Deposition and Subsidence Along the Pocomoke River, Maryland1. JAWRA Journal of the American Water Resources Association. 46. 686 - 699. 10.1111/j.1752-1688.2010.00440.x

Litwin, R.J., Smoot, J.P., Pavich, M.J., Markewich, H.W., Oberg, Erik, Helwig, Ben, Steury, Brent, Santucci, V.L., Durika, N.J., Rybicki, N.B., Engelhardt, K.M., Sanders, Geoffrey, Verardo, Stacey, Elmore, A.J., and Gilmer, Joseph, 2011, Analysis of the deconstruction of Dyke Marsh, George Washington Memorial Parkway, Virginia—Progression, geologic and manmade causes, and effective restoration scenarios: U.S. Geological Survey Open-File Report 2010–1269, 80 p.

McFarland, E.R., 2010, Groundwater-quality data and regional trends in the Virginia Coastal Plain, 1906–2007: U.S. Geological Survey Professional Paper 1772, 86 p., 14 pls. (available online at

Orth, R.J. , Williams, M.R. , Marion, S.R. , Wilcox, D.J. , Carruthers, T.J.B. , Moore, K.A., Kemp, W.M., Dennison, W.C., Rybicki, N.B., Bergstrom, P., and Batiuk, R.A., 2010, Long-term trends in submersed aquatic vegetation (SAV) in Chesapeake Bay, USA, related to water quality: Estuaries and Coasts, v. 33, no. 5, p. 1144 - 1163. DOI: 10.1007/s12237-010-9311-4.

Phillips, Scott A., 2010, Expanded USGS Science in the Chesapeake Bay Restoration, U.S. Geological Survey Fact Sheet 2010–3081.

Ruhl, Henry A. and Rybicki, Nancy B., 2010, Long-term reductions in anthropogenic nutrients link to improvements in Chesapeake Bay habitat, Proceedings of the National Academy of Sciences of the United States of America.

Speiran, G.K. (2010), Effects of Groundwater‐Flow Paths On Nitrate Concentrations Across Two Riparian Forest Corridors1. JAWRA Journal of the American Water Resources Association, 46: 246-260. doi:10.1111/j.1752-1688.2010.00427.x

Tanner, C., Hunter, S., Reel, J., Parham, T., Naylor, M., Karrh, L., Busch, K., Golden, R.R., Lewandowski, M., Rybicki, N. and Schenk, E. (2010), Evaluating a Large‐Scale Eelgrass Restoration Project in the Chesapeake Bay. Restoration Ecology, 18: 538-548. doi:10.1111/j.1526-100X.2010.00694.x

Whitall, D, W.D. Hively, A.K. Leight, C.J. Hapeman, L.L. McConnell, T. Fisher, C.P. Rice, E. Codling, G.W. McCarty, A. Sadeghi, A. Gustafson, K. Bialek. 2010, Pollutant fate and spatio-temporal variability in the Choptank River estuary: Factors Influencing Water Quality. 2010. Science of the Total Environment 408:2096-2108.
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Alvarez, D.A., Cranor, W.L., Perkins, S.D., Schroeder, V.L., Iwanowicz, L.R., Clark, R.C., Guy, C.P., Pinkney, A.E., Blazer, V.S. and Mullican, J.E. (2009), Reproductive health of bass in the Potomac, USA, drainage: Part 2. Seasonal occurrence of persistent and emerging organic contaminants. Environmental Toxicology and Chemistry, 28: 1084-1095. doi:10.1897/08-417.1.

Battaglin, W.A., Rice, K.C., Focazio, M.J. et al. The occurrence of glyphosate, atrazine, and other pesticides in vernal pools and adjacent streams in Washington, DC, Maryland, Iowa, and Wyoming, 2005–2006. Environ Monit Assess 155, 281–307 (2009).

Böhlke, J.K., and Michel, R.L., 2009, Contrasting residence times and fluxes of water and sulfate in two small forested watersheds in Virginia, USA. Science of the Total Environment, v. 407, p. 4363-4377, Science Direct.

Chaplin, Jeffrey J., Crawford, J.K., and Brightbill, Robin A., 2009, Water-Quality Monitoring in Response to Young-of-the-Year Smallmouth Bass (Micropterus dolomieu) Mortality in the Susquehanna River and Major Tributaries, Pennsylvania: 2008, U.S. Geological Survey Open-File Report 2009-1216.

Gellis, A.C., Hupp, C.R., Pavich, M.J., Landwehr, J.M., Banks, W.S.L., Hubbard, B.E., Langland, M.J., Ritchie, J.C., and Reuter, J.M., 2009, Sources, Transport, and Storage of Sediment at Selected Sites in the Chesapeake Bay Watershed: U.S. Geological Survey Scientific Investigations Report 2008-5186, 95 p.

Hatzinger, P., Böhlke, J.K., Sturchio, N.C., Gu, B., Heraty, L.J., and Borden, R.C., 2009, Fractionation of stable isotopes in perchlorate and nitrate during in situ biodegradation in a sandy aquifer. Environmental Chemistry, v. 6, p. 44-52,

Hively, W.D., G.W. McCarty, and J. Keppler, 2009, Federal-state partnership yields success in remote sensing analysis of conservation practice effectiveness: Results from the Choptank River Conservation Effects Assessment Project. Journal of Soil and Water Conservation 64(5):154A.

Hively, W.D., M.Lang, G.W. McCarty, J. Keppler, A. Sadeghi, and L. McConnell. 2009. Using satellite remote sensing to estimate winter cover crop nutrient uptake efficiency. Journal of Soil and Water Conservation 64(5):303-313.

Hupp, C.R., Pierce, A.R. & Noe, G.B. Floodplain geomorphic processes and environmental impacts of human alteration along Coastal Plain rivers, USA. Wetlands 29, 413–429 (2009).

Iwanowicz, L.R., Blazer, V.S., Guy, C.P., Pinkney, A.E., Mullican, J.E. and Alvarez, D.A. (2009), Reproductive health of bass in the Potomac, USA, drainage: Part 1. Exploring the effects of proximity to wastewater treatment plant discharge. Environmental Toxicology and Chemistry, 28: 1072-1083. doi:10.1897/08-433.1.

Jastram, John D., 2009, A Comparison of Turbidity-Based and Streamflow-Based Estimates of Suspended-Sediment Concentrations in Three Chesapeake Bay Tributaries U.S. Geological Survey Scientific Investigations Report 2009-5165 37 p.

Langland, Michael J., 2009, Bathymetry and Sediment-Storage Capacity Change in Three Reservoirs on the Lower Susquehanna River, 1996–2008: U.S. Geological Survey Scientific Investigations Report 2009-5110, 21 p.

Moser, K.F., Ahn, C. and Noe, G.B. (2009), The Influence of Microtopography on Soil Nutrients in Created Mitigation Wetlands. Restoration Ecology, 17: 641-651. doi:10.1111/j.1526-100X.2008.00393.x.

Noe, G.B., Hupp, C.R. Retention of Riverine Sediment and Nutrient Loads by Coastal Plain Floodplains. Ecosystems 12, 728–746 (2009).

Preston, Stephen D., Alexander, Richard B., Woodside, Michael D., and Hamilton, Pixie A., 2009, SPARROW MODELING—Enhancing Understanding of the Nation’s Water Quality, U.S. Geological Survey Fact Sheet 2009-3019.

Robertson, L.S., Iwanowicz, L.R., and Marranca, J.M., 2009 Identification of Centrarchid Hepcidins and Evidence that 17b-Estradiol Disrupts Constitutive Expression of Hepcidin-1 and Inducible Expression of Hepcidin-2 in Largemouth Bass. Fish & Shellfish Immunology. 26 (2009) 898–907.

Schenk, E.R. and Hupp, C.R. (2009), Legacy Effects of Colonial Millponds on Floodplain Sedimentation, Bank Erosion, and Channel Morphology, Mid‐Atlantic, USA1. JAWRA Journal of the American Water Resources Association, 45: 597-606. doi:10.1111/j.1752-1688.2009.00308.x.

Sprague, L.A., Mueller, D.K., Schwarz, G.E., and Lorenz, D.L., 2009, Nutrient trends in streams and rivers of the United States, 1993–2003: U.S. Geological Survey Scientific Investigations Report 2008–5202, 196 p.

Sprague, L.A., and Lorenz, D.L., 2009, Regional nutrient trends in streams and rivers of the United States, 1993-2003: Environmental Science and Technology, v. 43, p. 3,430-3,435.
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Ator, S.W., 2008, Natural and human influences on water quality in a shallow regional unconsolidated aquifer, Northern Atlantic Coastal Plain: U.S. Geological Survey Scientific Investigations Report 2008-5190, 19 p.

Ator, S.W., and Reyes, Betzaida, 2008, Pesticides in ground water of Central and Western Maryland: U.S. Geological Survey Fact Sheet 2008-3068, 6 p.

Ator, S.W., 2008, Water-quality monitoring in the Potomac Watershed as part of the National Water-Quality Assessment (NAWQA) Program: Proceedings of the 2008 Potomac Monitoring Forum, March 10-11, 2008, Berkely Springs, West Virginia, 4 p.

Allen C. Gellis, Cliff R. Hupp, Milan J. Pavich, Jurate M. Landwehr, William S.L. Banks, Bernard E. Hubbard, Mike J. Langland, Jerry C. Ritchie, and Joanna M. Reuter, Sources, Transport, and Storage of Sediment at Selected Sites in the Chesapeake Bay Watershed, U.S. Geological Survey Scientific Investigations Report, 110p.

Alvarez, David A., Cranor, Walter L., Perkins, Stephanie D., Schroeder, Vickie L., Werner, Stephen L., Furlong, Edward T., Kain, Donald, and Brent, Robert, 2008, Reconnaissance of Persistent and Emerging Contaminants in the Shenandoah and James River Basins, Virginia, During Spring of 2007, U.S. Geological Survey Open-File Report 2008-1231 30 p.

Alvarez, David A., Cranor, Walter L., Perkins, Stephanie D., Schroeder, Vickie L., Werner, Stephen L., Furlong, Edward T., and Holmes, John, 2008, Investigation of Organic Chemicals Potentially Responsible for Mortality and Intersex in Fish of the North Fork of the Shenandoah River, Virginia, during Spring of 2007, U.S. Geological Survey Open-File Report 2008-1093, 24 p.

Blazer, V.S., Iwanowicz, L.R., Iwanowicz, D.D., Smith, D.R., Young, J.A., Hedrick, J.D., Foster, S.W., and Reeser, S.J., 2007, Intersex (Testicular Oocytes) in Smallmouth Bass from the Potomac River and Selected Nearby Drainages, Journal of Aquatic Animal Health, 19:4, 242-253, DOI: 10.1577/H07-031.1

Ripley, J., Iwanowicz, L., Blazer, V. and Foran, C. (2008), Utilization of protein expression profiles as indicators of environmental impairment of smallmouth bass (Micropterus dolomieu) from the Shenandoah River, Virginia, USA. Environmental Toxicology and Chemistry, 27: 1756-1767. doi:10.1897/07-588.1

Carter, Virginia & Landwehr, Jurate. (2020). Linkages Among Submersed Aquatic Vegetation, Nutrients, River Discharge, and Weather in the Tidal Potomac River and Estuary.

Debrewer, L.M., Ator, S.W. and Denver, J.M. (2008), Temporal Trends in Nitrate and Selected Pesticides in Mid‐Atlantic Ground Water. J. Environ. Qual., 37: S-296-S-308. doi:10.2134/jeq2007.0664.

Domagalski, J.L., Ator, S., Coupe, R., McCarthy, K., Lampe, D., Sandstrom, M. and Baker, N. (2008), Comparative Study of Transport Processes of Nitrogen, Phosphorus, and Herbicides to Streams in Five Agricultural Basins, USA. J. Environ. Qual., 37: 1158-1169. doi:10.2134/jeq2007.0408.

Green, C.T., Puckett, L.J., Böhlke, J.K., Bekins, B.A., Phillips, S.P., Kauffman, L.J., Denver, J.M. and Johnson, H.M. (2008), Limited Occurrence of Denitrification in Four Shallow Aquifers in Agricultural Areas of the United States. J. Environ. Qual., 37: 994-1009. doi:10.2134/jeq2006.0419.

McCarty, G.W., L.L. McConnell, A. Sadeghi, C.J. Hapeman, C. Graff, W.D. Hively, M.W. Lang, T.R. Fisher, T. Jordan, C.P. Rice, D. Whitall, A. Lynn, J. Keppler, and M.L. Fogel. 2008. Overview of the Choptank River Watershed Conservation Effectiveness Assessment Project. Journal Soil and Water Conservation 63(6):461-474.

Newell, Wayne L., and Clark, Inga, 2008, Geomorphic Map of Worcester County, Maryland, Interpreted from a LIDAR-Based, Digital Elevation Model, U.S. Geological Survey, Open-File Report 2008-1005 34 p.

Phillips, S.W., Ator, S.W., Blazer, V.S., Brakebill, J.W., Cahoon, D.R., Claggett, P.R., Cronin, T.M., Denver, J.M., Densmore, C.L., Gellis, A.C., Hupp, C.R., Landwehr, J.M., Langland, M.J., Ottinger, C.A., Pavich, M.J., Perry, M.C., Preston, S.D., Raffensperger, J.P., Rattner, B.A., Rybicki, N.B., and Willard, D.A., 2007, Synthesis of U.S. Geological Survey Science for the Chesapeake Bay Ecosystem and Implications for Environmental Management, U.S. Geological Survey Circular 1316.

Rattner, Barnett & Golden, Nancy & Toschik, P & Mcgowan, Peter & Custer, T. (2008). Concentrations of Metals in Blood and Feathers of Nestling Ospreys (Pandion haliaetus) in Chesapeake and Delaware Bays. Archives of environmental contamination and toxicology. 54. 114-22. 10.1007/s00244-007-9004-6

Rice, K.C., 2008, Water-quality data at amphibian research sites in Maryland, Washington, D.C., and Virginia, 2005-2007; U.S. Geological Survey Open File Report 2008-1204.

Rybicki, N.B., Justiniano- Vélez, E.M., Schenk, E.R., Baldizar, J.M., and Hunter, S.E., 2008, The Distribution of Submersed Aquatic Vegetation in the Fresh and Oligohaline Tidal Potomac River, 2005: U.S. Geological Survey Open-File Report 2008-1218, 40p.
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Baldizar, J. and Rybicki, N. B., 2007, Restoration Potential of Submerged Aquatic Vegetation in the Tidal Pocomoke River (Chesapeake Bay, USA), Ecological Restoration, vol. 25, no. 2, p. 138-139.

Böhlke, J.K., O'Connell, M.E. and Prestegaard, K.L. (2007), Ground Water Stratification and Delivery of Nitrate to an Incised Stream under Varying Flow Conditions. J. Environ. Qual., 36: 664-680. doi:10.2134/jeq2006.0084.

Cronin, T. M., Vogt, P. R., Willard, D. A., Thunell, R., Halka, J., Berke, M., and Pohlman, J. ( 2007), Rapid sea level rise and ice sheet response to 8,200‐year climate event, Geophys. Res. Lett., 34, L20603, doi:10.1029/2007GL031318.

Debrewer, L.M., Ator, S.W., and Denver, J.M., 2007, Factors affecting spatial and temporal variability in nutrient and pesticide concentrations in the surficial aquifer on the Delmarva Peninsula: U.S. Geological Survey Scientific Investigations Report 2005-5257, 44 p.

Doheny, E.J., Starsoneck, R.J., Mayer, P.M., and Striz, E.A., 2007, Pre-restoration geomorphic characteristics of Minebank Run, Baltimore County, Maryland, 2002–04: U.S. Geological Survey Scientific Investigations Report 2007–5127, 49 p.

Erwin RM, BD Watts, GM Haramis, MC Perry, and KA Hobson, editors, 2007, Waterbirds of the Chesapeake Bay and Vicinity: harbingers of change? Waterbirds 30 (Special Publication 1). 182 pages.

Erwin, R. & Miller, J. & Reese, J.. (2007). Poplar Island Environmental Restoration Project: Challenges in Waterbird Restoration on an Island in Chesapeake Bay. Ecological Restoration. 25. 256-262. 10.3368/er.25.4.256.

Erwin, R. & Beck, Ruth. (2007). Restoration of Waterbird Habitats in Chesapeake Bay: Great Expectations or Sisyphus Revisited?. Waterbirds. 30. 163-176. 10.1675/1524-4695(2007)030[0163:ROWHIC]2.0.CO;2

Haramis, G.M. and Kearns, G.D., "Soras in Tidal Marsh: Banding and Telemetry Studies on the Patuxent River, Maryland," Waterbirds 30(sp1), 105-121, (1 December 2007).[0105:SITMBA]2.0.CO;2.

Haramis, G.M. and Kearns, G.D. (2010). Herbivory by Resident Geese: The Loss and Recovery of Wild Rice Along the Tidal Patuxent River. The Journal of Wildlife Management. 71. 788 - 794. 10.2193/2006-350.

Kozar, Mark D., McCoy, Kurt J., Weary, David J., Field, Malcolm S., Pierce, Herbert A., Schill, William Bane, and Young, John A., 2007, Hydrogeology and Water Quality of the Leetown Area, West Virginia U.S. Geological Survey, Open-File Report 2007-1358, 109 p.

Kozar, M.D., Weary, D.J., Paybins, K.S., and Pierce, H.A., 2007, Hydrogeologic setting and ground-water flow in the Leetown Area, West Virginia: U.S. Geological Survey Scientific Investigations Report 2007-5066, 70 p.

Kroes D.E., Hupp C.R., Noe G.B. (2007) Sediment, Nutrient, and Vegetation Trends Along the Tidal, Forested Pocomoke River, Maryland. In: Ecology of Tidal Freshwater Forested Wetlands of the Southeastern United States. Springer, Dordrecht.

Langland M.J., Moyer, Douglas L., Blomquist Joel, Changes in Streamflow, Concentrations, and Loads in Selected Nontidal Basins in the Chesapeake Bay Watershed, 1985-2006, U.S. Geological Survey Open-File Report 2007-1372.

McCoy, K.J., Kozar, M.D. Use of sinkhole and specific capacity distributions to assess vertical gradients in a karst aquifer. Environ Geol 54, 921–935 (2008).

Moser, K., Ahn, C. & Noe, G. Characterization of microtopography and its influence on vegetation patterns in created wetlands. Wetlands 27, 1081–1097 (2007).[1081:COMAII]2.0.CO;2.

Moyer, D.L., and Bennett, M.R., 2007, Development of relations of stream stage to channel geometry and discharge for stream segments simulated with Hydrologic Simulation Program–Fortran (HSPF), Chesapeake Bay Watershed and adjacent parts of Virginia, Maryland, and Delaware: U.S. Geological Survey Scientific Investigations Report 2007–5135, 83 p.

Noe, G.B., M. Fellows, and J. Cornell, 2007, Volunteer monitoring demonstrates tree plantings help stream ecosystems. Conservation Currents (Northern Virginia Soil & Water Conservation District) 34:4-5.

Noe, G.B. and Hupp, C.R. (2007), Seasonal variation in nutrient retention during inundation of a short‐hydroperiod floodplain. River Res. Applic., 23: 1088-1101. doi:10.1002/rra.1035.

Perry, Matthew & Wells-Berlin, Alicia & Kidwell, David & Osenton, Peter. (2009). Temporal Changes of Populations and Trophic Relationships of Wintering Diving Ducks in Chesapeake Bay. Waterbirds. 30. 4-16. 10.1675/1524-4695(2007)030[0004:TCOPAT]2.0.CO;2.

Phillips, P.J., Ator, S.W., and Nystrom, E.A., 2007, Temporal changes in surface-water insecticide after the phaseout of diazinon and chlorpyrifos: Environmental Science and Technology, v. 41, no. 12, p. 4,246–4,251.

Rattner, B.A. and McGowan, P.C., "Potential Hazards of Environmental Contaminants to Avifauna Residing in the Chesapeake Bay Estuary," Waterbirds 30(sp1), 63-81, (1 December 2007).[0063:PHOECT]2.0.CO;2.

Rice, K.C., Deviney, F.A., and Olson, G., 2007, Acid rain in Shenandoah National Park, Virginia: USGS Fact Sheet 2007-3057, 4 p. (on-line at

Rybicki, N. B. , Yoon, S. N., Schenk, E. R., and Baldizar, J. B., 2007, The Distribution of Submersed Aquatic Vegetation in the Fresh and Oligohaline Tidal Potomac River, 2004, U.S. Geological Survey 2007-1198, available online only.

Rybicki, Nancy B., Landwehr, Jurate M., ( 2007), Long‐term changes in abundance and diversity of macrophyte and waterfowl populations in an estuary with exotic macrophytes and improving water quality, Limnology and Oceanography, 52, doi: 10.4319/lo.2007.52.3.1195.

USGS, 2007, Scientific Contributions of the U.S. Geological Survey to Enhance the Management of Agricultural Landscapes: U.S Geological Survey Fact Sheet FS 2007/3001, 6 pp.

Willard, D.A. and Cronin, T.M. (2007), Paleoecology and ecosystem restoration: case studies from Chesapeake Bay and the Florida Everglades. Frontiers in Ecology and the Environment, 5: 491-498. doi:10.1890/070015.
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Baldizar, J. M. and Rybicki, N. B., 2006, Primary factors influencing water clarity at shallow water sites throughout the Chesapeake and Maryland Coastal Bays. Subcommittee on Sedimentation, 2006. Proceedings of the Federal Interagency Sedimentation Conferences, 1947 to 2006.

Chambers, Douglas B., and Leiker, Thomas J., 2006, A Reconnaissance for Emerging Contaminants in the South Branch Potomac River, Cacapon River, and Williams River Basins, West Virginia, April-October 2004, U.S. Geological Survey Open-File Report 2006-1393, 28 pages

Cronin, Thomas & Walker, H.. (2006). Restoring Coastal Ecosystems and Abrupt Climate Change. Climatic Change. 74. 369-376. 10.1007/s10584-005-9029-7.

Denver, Judith M., and Ator, Scott W., 2006, Pesticides in Ground Water of the Maryland Coastal Plain, U.S. Geological Survey Fact Sheet FS 2006-3119, 24 p.

Devereux, O. H., Needelman, B. A., Gellis, A. C., Prestegaard, K. L., and Ritchie, J. C., 2006, Sediment source identification in an urban watershed: World Congress of Soils, Philadelphia, PA. WCSS meeting abstracts [CD-ROM].

Devereux, O.H., Needelman, B.A., Prestegaard, K., Ritchie, J.C., and Gellis, A., 2006, Quantifying Fine Sediment Sources in the Northeast Branch of the Anacostia River Using Trace Elements and Radionuclides: Geological Society of America Abstracts with Programs, Vol. 38, No. 7, p. 54.

Deviney, F. A., Rice, K. C., and Hornberger, G. M. ( 2006), Time series and recurrence interval models to predict the vulnerability of streams to episodic acidification in Shenandoah National Park, Virginia, Water Resour. Res., 42, W09405, doi:10.1029/2005WR004740.

Doheny, E.J., Starsoneck, R.J., 2006, Watershed Characteristics and Pre-Restoration Surface-Water Hydrology of Minebank Run, Baltimore County, Maryland, Water Years 2002-04, U.S. Geological Survey Scientific Investigations Report 2006-5179.

Gellis, A.C. and Landwehr, J.M., 2006, Identifying sources of fine-grained suspended-sediment in the Pocomoke River, an Eastern Shore tributary to the Chesapeake Bay: Proceedings of the Joint Federal Interagency Conference 2006, 8th Federal Interagency Sedimentation Conference, April 2-6, 2006, Reno, NV, Paper 5C-1 in CD_ROM file ISBN 0-9779007-1-1.

Gilliom, R.J., Barbash, J.E., Crawford, C.G., Hamilton, P.A., Martin, J.D., Nakagaki, Naomi, Nowell, L.H., Scott, J.C., Stackelberg, P.E., Thelin, G.P., and Wolock, D.M., 2006, Pesticides in the Nation’s streams and ground water, 1992–2001: U.S. Geological Survey Circular 1291, 172 p.

Hammerschlag, R.S., Baldwin, A.H., Krafft, C.C., Paul, M.M., Brittingham, K.D., Rusello, K., and Hatfield, J.S., 2006, Final Report—Five years of monitoring reconstructed freshwater tidal wetlands in the Urban Anacostia River, accessed June 6, 2007, at

Langland, M.J., Raffensperger, J.P., Moyer, D.L., Landwehr, J.M., and Schwarz, G.E., 2006, Changes in Streamflow and Water Quality in Selected Nontidal Basins in the Chesapeake Bay Watershed, 1985-2004: U.S. Geological Survey Scientific Investigations Report 2006-5178, 75 p., plus appendixes (on CD).

Lindsey, B.D., Falls, W.F., 2006, Factors Affecting Occurrence and Distribution of Selected Contaminants in Ground Water From Selected Areas in the Piedmont Aquifer System, Eastern United States, 1993-2003, U.S. Geological Survey Scientific Investigations Report 2006-5104.

McCoy, K.J., and Kozar, M.D., 2006, Relation of chlorofluorocarbon age dates to water quality in aquifers of West Virginia: U.S. Geological Survey Scientific Investigations Report 2006-5221, 36 p.

McFarland, E.R., and Bruce, T.S., 2006, The Virginia Coastal Plain Hydrogeologic Framework: U.S. Geological Survey Professional Paper 1731, 118 p., 25 pls. (available online at

Ottinger, C.A., and J.M. Jacobs. 2006. USGS/NOAA Workshop on Mycobacteriosis in Striped Bass, May 7-10, 2006, Annapolis, Maryland. NOAA Technical Memorandum NOS NCCOS 41 and USGS Scientific Investigations Report 2006-5214. Reston, VA. 42 pp.

Phillips, S.W. 2006, U.S. Geological Survey Chesapeake Bay Studies: Scientific Solutions for a Healthy Bay and Watershed USGS Fact Sheet FS-2006-3046.

Phillips, S. & Lindsey, B. & Preston, Stephen & Brakebill, John & Raffensperger, J. & Shedlock, R.. (2006). The Influence of Ground Water and Watershed Processes on Nutrient Delivery to the Chesapeake Bay. AGU Spring Meeting Abstracts. -1. 02

Schenk, E. R. and N. B. Rybicki, 2006, Exploring causes of a seagrass transplant failure in the Potomac River (Virginia), Ecological Restoration v. 24, no. 2, p. 116-118.

Saenger, C., Cronin, T., Thunell, R., and Vann, C., 2006, Modelling river discharge and precipitation from estuarine salinity in the northern Chesapeake Bay: application to Holocense palaeoclimate, The Holocense 16,4 (2006) pp. 1-11,

Schwarz, G.E., Hoos, A.B., Alexander, R.B., and Smith, R.A., 2006, The SPARROW water-quality model: Theory, applications, and user documentation: U.S. Geological Survey Techniques and Methods 6B3, 248 p., CD-ROM.

Tilley, J., and Slonecker, T., 2006, Quantifying the components of impervious surfaces: U.S. Geological Survey Open-File Report 2007–1008, 40 p.

U.S. Geological Survey, 2006, Fish consumption advisories for mercury, accessed June 5, 2007.
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Ator, S.W., Denver, J.M., Krantz, D.E., Newell, W.L., and Martucci, S.K., 2005, A surficial hydrogeologic framework for the Mid-Atlantic Coastal Plain: U.S. Geological Survey Professional Paper 1680, 44 p., 4 pls.

Baldock, F.C. & Blazer, Vicki & Callinan, R. & Hatai, Kishio & Karunasagar, Iddya & Mohan, Chadag & Bondad-Reantaso, Melba. (2005). Outcomes of a short expert consultation on epizootic ulcerative syndrome (EUS): Re-examination of casual factors, case definition and nomenclature. 2005. Diseases in Asian Aquaculture-V, Fish Health Section. 555-585. 

Blazer, V.S., Bondad-Reantaso, M.G., Callinan, R.B., Chinabut, S., Hatai, K., Lilley, J.H., and Mohan, C.V., 2005, Aphanomyces invadans (= A. piscicida): A serious pathogen of estuarine and freshwater fishes, p. 24–41 (chapter) in Health and Diseases of Aquatic Organisms: Bilateral Perspectives, Proceedings of the Second Bilateral Conference between Russia and the United States, Cipriano, R.C., Shchelkunov, I.S., and Faisal, M., eds.: East Lansing, Michigan, Michigan State University. No URL available

Cronin, T.M., Thunell, R., Dwyer, G.S., Saenger, C., Mann, M.E., Vann, C., and Seal, II, R.R., 2005, Multiproxy evidence of Holocene climate variability from estuarine sediments, eastern North America, Paleoceanograpy, Vol. 20 PA4006, doi: 10.1029/2005PA001145.

Debrewer, L.M., Ator, S.W., and Denver, J.M., 2007, Factors affecting spatial and temporal variability in nutrient and pesticide concentrations in the surficial aquifer on the Delmarva Peninsula: U.S. Geological Survey Scientific Investigations Report 2005–5257, 44 p.

Devereux, O. & Needelman, Brian & Prestegaard, K. & Gellis, Allen & Ritchie, J.. (2005). Determining Sediment Sources in the Anacostia River Watershed. AGU Fall Meeting Abstracts

Devereux, O. H., Needelman, B. A., Gellis, A. C., Prestegaard, K. L., and Ritchie, J. C., 2005, Determining sediment source in the Anacostia River through fingerprinting and GIS data analysis: Soil Science Society of America annual meeting, Salt Lake City, UT. Soil Science Society of America international annual meetings abstracts [CD-ROM]. ASA, CSSA, SSSA, Madison, WI.

Gellis Allen C., Banks William S.L., Langland Michael J., and Martucci Sarah K., 2005, Summary of Suspended-Sediment Data for Streams Draining the Chesapeake Bay Watershed, Water Years 1952–2002, Scientific Investigations Report 2004-5056.

Government Accountability Office, 2005, Chesapeake Bay Program: Improved strategies are needed to better assess, report, and manage restoration progress: Washington, D.C., Government Accountability Office Report 06–96, 88 p.

Grant, E.H.C., Jung, R.E., and Rice, K.C., 2005, Stream salamander species richness and abundance in relation to environmental factors in Shenandoah National Park: American Midland Naturalist, vol. 153, p. 348-356.

Kidwell, D.M., and Perry, M.C., 2005, Delineation of surf scoter habitat in Chesapeake Bay, Maryland: Macrobenthic and sediment composition of surf scoter feeding sites, [abs.] in Perry, M.C., Second North American Sea Duck Conference, November 7–11, 2005, Annapolis, Maryland, Program and Abstracts, USGS Patuxent Wildlife Research Center, Maryland, 123 p. (p. 91).

Landwehr, J.M., 2005, Determining the “Best” model for explaining water clarity variation during SAV seasons within the tidal tributary rivers of the Chesapeake Bay watershed, [abs] in the Proceedings of Estuarine Research Federation Meeting, October 16–20, 2005, Norfolk, Virginia. No URL available

Martucci, S.K., Krstolic, J.L., and Raffensperger, J.P., 2005, Development of Land Segmentation, Stream-Reach Network, and Watersheds in Support of Hydrological Simulation Program-Fortran (HSPF) Modeling, Chesapeake Bay Watershed, and Adjacent Parts of Maryland, Delaware, and Virginia: U.S. Geological Survey Scientific Investigations Report 2005-5073, 15 p.,

McCoy, Kurt J., Podwysocki, Melvin H., Crider, E. Allen, and Weary, David, J., 2005, Fracture trace map and single-well aquifer test results in a carbonate aquifer in Berkeley County, West Virginia: U.S. Geological Survey Open-File Report 2005-1040, 1 Plate.

McCoy, Kurt J., Podwysocki, Melvin H., Crider, E. Allen, and Weary, David, J., 2005, Fracture trace map and single-well aquifer test results in a carbonate aquifer in Jefferson County, West Virginia: U.S. Geological Survey Open-File Report 2005-1407, 1 Plate.

Neff, K., and Baldwin, A., 2005, Seed dispersal into wetlands: Techniques and results for a restored tidal freshwater marsh: Wetlands, v. 25, no. 2, p. 392–404.

Niven, D.K., Sauer, J.R., and Butcher, G.S., 2005, Population trends of North American sea ducks based on Christmas bird count and Breeding Bird Survey data, [abs.] in Perry, M.C., 2005, Second North American Sea Duck Conference, November 7–11, 2005, Annapolis, Maryland, Program and Abstracts, USGS Patuxent Wildlife Research Center, Md., 123 p. (p. 101)

Noe, G.B. and Hupp, C.R. (2005), Carbon, Nitrogen, and Phosphorus Accumulation in Floodplains of Atlantic Coastal Plain Rivers, USA. Ecological Applications, 15: 1178-1190. doi:10.1890/04-1677.

Ottinger, C.A., Blazer, V.S., Densmore, C.L., Gauthier, D.T., Kator, H., Panek, F.M., Rhodes, M.W., and Vogelbein, W., 2005, Mycobacteriosis in Chesapeake Bay striped bass (Morone saxatilis), p. 238–243 in Health and Diseases of Aquatic Organisms: Bilateral Perspectives, Proceedings of the Second Bilateral Conference between Russia and the United States, Cipriano, R.C., Shchelkunov, I.S., and Faisal, M., eds.: East Lansing, Michigan, Michigan State University. No URL available

Perry, M.C., Osenton, P.C., Wells-Berlin, A.M., and Kidwell, D.M., 2005, Food selection among Atlantic Coast sea ducks in relation to historic food habits, [abs.] in Perry, M.C., Second North American Sea Duck Conference, November 7–11, 2005, Annapolis, Maryland, Program and Abstracts, USGS Patuxent Wildlife Research Center, Maryland, 123 p. (p. 105).

Rattner, B.A., Eisenreich, K.M., Golden, N.H. et al. Retrospective Ecotoxicological Data and Current Information Needs for Terrestrial Vertebrates Residing in Coastal Habitat of the United States. Arch Environ Contam Toxicol 49, 257–265 (2005).

Reuter, J.M., Bierman, P.R., and Pavich, M.J., 2005, Using GIS to select drainage basins for sampling: An example from a cosmogenic 10Be study of erosion rates within the Susquehanna River Basin: Geological Society of America Abstracts with Programs, v. 37, no. 1, 32 p. No URL available

Rice, K.C., Deviney, Jr., F.A., Hornberger, G.M., and Webb, J.R., 2005, Predicting the vulnerability of streams to episodic acidification and potential effects on aquatic biota in Shenandoah National Park, Virginia: USGS Scientific Investigations Report 2005-5259, 51 p. on-line at

Rice, K.C., Monti, M.M., and Ettinger, M.R., 2005, Water-quality data from ground- and surface-water sites near concentrated animal feeding operations (CAFOs) and non-CAFOs in the Shenandoah Valley and Eastern Shore of Virginia, January – February 2004: USGS Open-File Report 2005-1388, 78 p. (on-line at

Rhodes, M.W., Kator, H., McNabb, A., Deshayes, C., Reyrat, J., Brown-Elliott, B.A., Wallace, R., Jr., Trott, K.A., Parker, J.M., Lifland, B., Osterhout, G., Kaattari, I., Reece, K., Vogelbein, W., and Ottinger, C.A., 2005, Mycobacterium pseudoshottsii sp. nov., a slowly growing chromogenic species isolated from Chesapeake Bay striped bass (Morone saxatilis): International Journal of Systematic and Evolutionary Microbiology, v. 55, p. 1,139–1,147.

Scudlark, J.R., Rice, K.C., Conko, K.M. et al. Transmission of Atmospherically Derived Trace Elements Through an Undeveloped, Forested Maryland Watershed. Water Air Soil Pollut 163, 53–79 (2005).

Simon, N.S., 2005, Loosely Bound Oxytetracycline in Riverine Sediments from Two Tributaries of the Chesapeake Bay, ACS, Environ. Sci. Technol., 39 (10), Web Release Date: April 9, 2005.

Vasquez, E.A., Glenn, E.P., Brown, J.J., Guntenspergen, G.R., and Nelson, S.G., 2005, Salt tolerance underlies the cryptic invasion of North American salt marshes by an introduced haplotype of the common reed Phragmites australis (Poaceae): Marine Ecology Progress Series, v. 298, p. 1–8.

Walling, D.W., 2005, Tracing suspended sediment sources in catchments and river systems: Science of the Total Environment, v. 344, p. 159–184.

Willard, D.A., Bernhardt, C.E., Korejwo, D.A., Meyers, S.R., 2005. Impact of millennial-scale Holocene climate variability on eastern North American terrestrial ecosystems: pollen-based climatic reconstruction. Global and Planetary Change 47: 17-35.
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Ator, Scott W. , Denver, Judith M. , and Brayton, Michael J. Brayton, 2004, Hydrologic and Geochemical Controls on Pesticide and Nutrient Transport to Two Streams on the Delmarva Peninsula: Online Publication - SIR 2004-5051.

Brakebill, John W., and Preston, Stephen D., 2004, Digital Data Used to Relate Nutrient Inputs to Water Quality in the Chesapeake Bay Watershed, Version 3.0: U.S. Geological Survey online publication, OFR-2004-1433, 20p.

Claggett, P.R., and Bisland, C., 2004, Assessing the vulnerability of forests and farmlands to development in the Chesapeake Bay Watershed, in Proceedings of the IASTED International Conference on Environmental Modeling and Simulation, November 22–24, 2004, St. Thomas, U.S. Virgin Islands.

Clark, Robert G., Kambly, Steven, Moreland, Thomas, Pavich, Milan Building a Geospatial ROMA Project Database, Open-File Report 2004-1099, No current URL available

Conko, K.M., Rice, K.C., and Kennedy, M.M., 2004, Atmospheric wet deposition of trace elements to a suburban environment, Reston, Virginia, USA: Atmospheric Environment, vol. 38, no. 24, p. 4025-4033, doi: 10.1016/j.atmosenv.2004.03.062.

Crossett, K.M., Culliton, T.J., Wiley, P., and Goodspeed, T.R., 2004, Population trends along the Coastal United States, 1980–2008: Silver Spring, Maryland, National Oceanic and Atmospheric Administration, National Ocean Service, 47 p.

Denver, J.M., Ator, S.W., Debrewer, L.M., Ferrari, M.J., Barbaro, J.R., Hancock, T.C., Brayton, M.J., and Nardi, M.R., 2004, Water quality in the Delmarva Peninsula—Delaware, Maryland, and Virginia, 1999–2001: U.S. Geological Survey Circular 1228, 30 p.

Gellis, Allen & Pavich, Milan & Landwehr, Jurate & Banks, W. & Bierman, Paul & Reuter, J.. (2004). Identifying Watershed Sediment Sources In The Chesapeake Bay. AGU Fall Meeting Abstracts

Goetz, Scott & Jantz, Claire & Prince, Stephen & Smith, Andrew & Varlyguin, Dmitry & Wright, Robb. (2004). Integrated Analysis of Ecosystem Interactions with Land Use Change: The Chesapeake Bay Watershed. Geophysical Monograph Series. 153. 10.1029/153GM20

Greene, E.A., LaMotte, A.E., and Cullinan, Kerri-Ann, 2004, Ground-Water Vulnerability to Nitrate Contamination at Multiple Thresholds in the Mid-Atlantic Region Using Spatial Probability Models: U.S. Geological Survey Scientific Investigations Report 2004-5118, 24p.

Hale, R.C., LaGuardia, M.J., Harvey, E., Rattner, B.A., Watts, B.D., and Potter, K.E., 2004, Are PBDE congener profiles useful indicators of source? in Proceedings of the 25th Annual Meeting of the Society of Environmental Toxicology and Chemistry, November 14–18, 2004, Portland, Oregon, PM042. No URL available

Haramis, G.M., and Kearns, G.D., 2004, Invasive herbivory: Resident Canada geese and the decline of wild rice along the tidal Patuxent River, p. 37–38 in Perry, M.C., ed., Mute swans and their Chesapeake Bay habitats, in Proceedings of a symposium, U.S. Geological Survey Information and Technology Report 2004–0005, 59 p.

Iwanowicz, L.R., Densmore, C.L., and Ottinger, C.A., 2004, A Calcein, AM based cytotoxic-cell assay for fish leucocytes: Fish and Shellfish Immunology, v. 16, no. 2, p. 127–137,

Michael Kemp, W., Batleson, R., Bergstrom, P. et al. Habitat requirements for submerged aquatic vegetation in Chesapeake Bay: Water quality, light regime, and physical-chemical factors. Estuaries 27, 363–377 (2004).

Langland, Michael J., Phillips, Scott W., Raffensperger, Jeff P. , and Moyerm, Douglas L. Changes in Streamflow and Water Quality in Selected Nontidal Sites in the Chesapeake Bay Basin, 1985-2003 U. S. Geogloical Survey Scientific Investigations Report 2004-5259.

Larsen, C., Clark, I., Guntenspergen, G.R., Cahoon, D.R., Caruso, V., Hupp, C., and Yanosky, T., 2004, The Blackwater NWR inundation model. Rising sea level on a low-lying coast: Land use planning for wetlands: U.S. Geological Survey Open File Report 04–1302.

Merritts, D., Walter, R., Lippincott, C., and Siddiqui, S., 2004, High suspended and sediment yields of the Conestoga River watershed to the Susquehanna River and Chesapeake Bay are the result of ubiquitous post-settlement mill dams: EOS Transactions, American Geophysical Union, v. 85, no. 47, p. 903.

Newell, Wayne L., Clark, Inga Clark, and Bricker, Owen Bricker, 2004, Distribution of Holocene Sediment in Chesapeake Bay as Interpreted from Submarine Geomorphology of the Submerged Landforms, Selected Core Holes, Bridge Borings and Seismic Profiles: U.S. Geological Survey Open-File Report 2004-1235.

Perry, M.C., ed., 2004, Mute swans and their Chesapeake Bay habitats, proceedings of a symposium: U.S. Geological Survey Information and Technology Report 2004–0005, 59 p.

Perry, M.C., Osenton, P.C., and Lohnes, E.J.R., 2004, Food habits of mute swans in Chesapeake Bay, p. 31–36 in Perry, M.C., ed., Mute swans and their Chesapeake Bay habitats, proceedings of a symposium: U.S. Geological Survey Information and Technology Report 2004–0005, 40 p.

Pinkney, ., Harshbarger, ., May, . et al. Tumor Prevalence and Biomarkers of Exposure in Brown Bullhead (Ameiurus nebulosus) from Back River, Furnace Creek, and Tuckahoe River, Maryland. Arch Environ Contam Toxicol 46, 492–501 (2004).

Pinkney, A.E., Harshbarger, J.C., May, E.B., and Reichert, W.L., 2004, Tumor prevalence and biomarkers of exposure and response in brown bullhead (Ameiurus nebulosus) from the Anacostia, Washington, D.C. and Tuckahoe River, Maryland, USA: Environmental Toxicology and Chemistry, v. 23, no. 3, p. 638–647.

Rattner, B.A., McGowan, P.C., Golden, N.H. et al. Contaminant Exposure and Reproductive Success of Ospreys (Pandion haliaetus) Nesting in Chesapeake Bay Regions of Concern. Arch Environ Contam Toxicol 47, 126–140 (2004).

Rice, K. C., Chanat, J. G., Hornberger, G. M., and Webb, J. R. ( 2004), Interpretation of concentration‐discharge patterns in acid‐neutralizing capacity during storm flow in three small, forested catchments in Shenandoah National Park, Virginia, Water Resour. Res., 40, W05301, doi:10.1029/2003WR002709.

Rice, K.C., and Jung, R.E., 2004, Water-quality and amphibian population data collected in Maryland, Washington, D.C., and Virginia, 2001-2004: USGS Open-File Report 2004-1401, 45 p.

Rhodes, M.W., Kator, H., Kaattari, I., Gauthier, D., Vogelbein, W., and Ottinger, C.A., 2004, Isolation and char acterization of mycobacteria from striped bass (Morone saxatilis) from Chesapeake Bay: Diseases of Aquatic Organisms, v. 61, no. 1–2, p. 41–51.

Senus, Michael P., Langland, Michael J. and Moyer, Douglas L., Nutrient and Sediment Concentrations, Loads, and Trends for Four Nontidal Tributaries in the Chesapeake Bay Watershed, 1997-2001, 33p., U.S. Scientific Investigations Report 2004-5125.

U.S. Environmental Protection Agency Chesapeake Bay Program, 2004, Resource lands assessment, October 2005: Annapolis, Maryland, [variously paged]. No URL available
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Bricker, Owen P., Newell, Wayne L., and Simon, Nancy N., 2003, Bog Iron Formation in the Nassawangon Watershed, Maryland: U. S. Geological Survey Open File Report, 3-346.

Brakebill, J.W., Preston, S.D. A Hydrologic Network Supporting Spatially Referenced Regression Modeling in the Chesapeake Bay Watershed. Environ Monit Assess 81, 73–84 (2003).

Bratton, J.F., Colman, S.M., and Seal, R.R., II, 2003, Eutrophication and carbon sources in Chesapeake Bay over the last 2,700 years: Human impacts in context: Geochimica et Cosmochimica Acta, v. 67, p. 3,385–3,402.

Cronin, T.M., Dwyer, G.S., Kamiya, T., Schwede, S., Willard, D.A., 2003, Medieval Warm Period, Little Ice Age and 20th century temperature variability from Chesapeake Bay: Global Plantary Change, ScienceDirect, doi:10.1016/S0921-8181(02)00161-3 , p. 17-29.

Cronin, T.M., Vann, C.D. The sedimentary record of climatic and anthropogenic influence on the Patuxent estuary and Chesapeake Bay ecosystems. Estuaries 26, 196–209 (2003).

Erwin, R.M., Brinker, D., and Fruh, B., 2003, Poplar Island environmental restoration project: Build it and they (wildlife) will come, but are all welcome?, in Proceedings of the 13th Biennial Coastal Zone Conference, Baltimore, Maryland, July 13–17, 2003, NOAA/CSC/20322-CD. CD-ROM.

Gauthier, D.T., Cartwright, D.D., Densmore, C.L., Blazer, V.S., and Ottinger, C.A., 2003, Measurement of in vitro mitogenesis in fish: ELISA-based detection of the thymidine analogue 5’-bromo-2’-deoxyuridine: Fish and Shellfish Immunology, v. 14, p. 279–288.

Golden, N., Rattner, B., McGowan, P. et al. Concentrations of Metals in Feathers and Blood of Nestling Black-Crowned Night-Herons (Nycticorax nycticorax) in Chesapeake and Delaware Bays. Bull. Environ. Contam. Toxicol. 70, 0385–0393 (2003).

Kiryu, Y., Shields, J.D., Vogelbein, W.K., Kator, H., and Blazer, V.S., 2003, Infectivity and pathogenicity of the oomycete, Aphanomyces invadans, in Atlantic menhaden, Brevoortia tyrannus: Diseases of Aquatic Organisms, v. 54, no. 2, p. 135–146.

Konrad, C.P., 2003, Effects of urban development on floods: U.S. Geological Survey Fact Sheet 076–03, 4 p.

Langland, Michael, and Cronin, Thomas, eds., 2003, A summary report of sediment processes in Chesapeake Bay and watershed: U.S. Geological Survey Water-Resources Investigations Report 2003–4123, 109 p.,

Langland, M.J., Phillips, S.W., Raffensperger, J.P, and Moyer, D.L., 2003, Changes in Streamflow and Water Quality in Selected Nontidal Sites in the Chesapeake Bay Basin, 1985-2003: U.S. Geological Survey Scientific Investigations Report 2004-5259.

Lindsey, B.D., Phillips, S.W., Donnelly, C.A., Speiran, G.K., Plummer, L. N., Bohlke, J.K., Focazio, M.J., Burton, W.C., and Busenberg, Eurybiades, 2003, Residence times and nitrate transport in ground water discharging to streams in the Chesapeake Bay Watershed: U.S. Geological Survey Water-Resources Investigations Report 2003–4035, 201 p.,

Phillips, S.W. and Lindsey, B.D., 2003, The influence of ground water on nitrogen delivery to the Chesapeake Bay: U.S. Geological Survey Fact Sheet FS-091-03. 6p.

Reimschuessel, R., Gieseker, C.M., Driscoll, C., Baya, A., Kane, A.S., Blazer, V.S., Evans, J.J., Kent, M.L., Moran, J.D.W., and Poynton, S.L., 2003, Myxosporean plasmodial infection associated with ulcerative lesions in young-of-the-year Atlantic menhaden in a tributary of the Chesapeake Bay, and possible links to Kudoa clupeidae: Diseases of Aquatic Organisms, v. 53, no. 2, p. 143–166.

Willard, D.A. and Cronin, T.M., and Verardo, S., 2003, Late Holocene climate and ecosystem history from Chesapeake Bay sediment cores, USA. The Holocene, v. 13, p. 201-214.

Williams, D.J., Rybicki, N.B., Lombana, A.V. et al. Preliminary Investigation of Submerged Aquatic Vegetation Mapping using Hyperspectral Remote Sensing. Environ Monit Assess 81, 383–392 (2003).

U.S. Environmental Protection Agency, 2003, Ambient water-quality criteria for dissolved oxygen, water clarity, and chlorophyll-a for Chesapeake Bay and its tidal tributaries: Annapolis, Maryland, U.S. Environmental Protection Agency Report 903-R-03-002.
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Alexander-Augustine, L.E., and Hupp, C.R., 2002, Process and pattern: Hydrogeomorphology and biodiversity in forested wetlands on the Chesapeake Bay Coastal Plain, in Proceedings of the 87th Annual Meeting of the Ecological Society of America and the 14th Annual International Conference of the Society for Ecological Restoration, August 4–9, 2002, Tucson, Arizona. No URL available

Bachman, L. J., D. E. Krantz, AND J. Bohlke. Hydrogeologic framework, ground-water geochemistry, and assessment of nitrogen yield from base flow in two agricultural watersheds, Kent County, Maryland. U.S. Environmental Protection Agency, Washington, D.C., EPA/600/R-02/008, 2002.

Blazer, V.S., Lilley, J.H., Schill, W.B., Kiryu, Y., Densmore, C.L., Panyawachira, V. and Chinabut, S. (2002), Aphanomyces invadans in Atlantic Menhaden along the East Coast of the United States. Journal of Aquatic Animal Health, 14: 1-10. doi:10.1577/1548-8667(2002)014<0001:AIIAMA>2.0.CO;2.

Chanat, J. G., Rice, K. C., and Hornberger, G. M., Consistency of patterns in concentration‐discharge plots, Water Resour. Res., 38( 8), doi:10.1029/2001WR000971, 2002.

Couch, C., and Hamilton, P., 2002, Effects of urbanization on stream ecosystems: U.S. Geological Survey Fact Sheet 042–02, 2 p.

Doheny, E.J., Starsoneck, R.J., Mayer, P.M., and Striz, E.A., Pre-Restoration Geomorphic Characteristics of Minebank Run, Baltimore County, Maryland, 2002–04, U.S. Geological Survey Scientific Investigations Report 2007-5127.

Haramis, G.M., D.G. Jorde, G.H. Olsen, D.B. Stotts, and M.K Harrison, Sr. 2002. Breeding productivity of Smith Island black ducks. Pages 22-30 in M.C. Perry,ed. Black ducks and their Chesapeake Bay Habitats: Proceedings of a Symposium, USGS/BRD/ITR-2000-005.

Kiryu, Y., Shields, J.D., Vogelbein, W.K., Zwerner, D.E., Kator, H. and Blazer, V.S. (2002), Induction of Skin Ulcers in Atlantic Menhaden by Injection and Aqueous Exposure to the Zoospores of Aphanomyces invadans. Journal of Aquatic Animal Health, 14: 11-24. doi:10.1577/1548-8667(2002)014<0011:IOSUIA>2.0.CO;2.

Kolpin, D.W., Furlong, E.T., Meyer, M.T., Thurman, E.M., Zaugg, S.D., Barber, L.B., and Buxton, H.T, 2002, Pharmaceuticals, hormones, and other organic wastewater contaminants in U.S. streams, 1999–2000: A national reconnaissance: Environmental Science and Technology, v. 36, no. 6, p. 1,202–1,211.

Phillips, S.W., Barlow, R.A., Brakebill, J.W., Bratton, J.F., Blazer, V.S., Bohlke, J.F., Bricker, O.P., Colman, S.M., Cronin, T.M., Hupp, C.R., Keough, J.R., Landwehr, J.M., Langland, M.J., Newell, W.L., Perry, M.C., Phillips, S.W., Preston, S.D., Rybicki, N.B., Simon, N.S., Willard, D.A., 2002, The U.S. Geological Survey and the Chesapeake Bay - The role of science in environmental restoration: U.S. Geological Survey Circular 1220.

Rice, K.C., Conko, K.M., Hornberger, G.M., 2002, Anthropogenic sources of arsenic and copper to sediments in a suburban lake, northern Virginia: Environmental Science & Technology, vol. 36, no. 23, p. 4962-4967.

Smith, S.B., Donahue, A.P., Lipkin, R.J., Blazer, V.S., Schmitt, C.J., and Goede, R.W., 2002, Illustrated field guide for assessing external and internal anomalies in fish: U.S. Geological Survey Information and Technology Report 2002–2007, 46 p.

Zheng, Y., Weinman, B., Cronin, T., Fleisher, M.Q., and Anderson, R.F. 2002, A rapid procedure for the determination of thorium, uranium, cadmium and molybdenum in small sediment samples by inductively coupled plasma-mass spectrometry application in Chesapeake Bay, Applied Geochemistry, p. 539-549, Science Direct.
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Brakebill, J.W., Preston, S.D., and Martucci, S.K., 2001, Digital data used to relate nutrient inputs to water quality in the Chesapeake Bay, Version 2.0: U.S. Geological Survey Open-File Report 01–251, [variously paged].

Cerco, C.F., Moore, K. System-wide submerged aquatic vegetation model for Chesapeake Bay. Estuaries 24, 522–534 (2001).

Church, J.A., Gregory, J.M., Huybrechts, P., Kuhn, M., Lambeck, K., Nhuan, M.T., Qin, D., and Woodworth, P.L., 2001, Changes in sea level, in Climate Change 2001: The scientific basis. Contribution of Working Group I to the Third Assessment Report of the Intergovernmental Panel on Climate Change, Houghton, J.T., Ding, Y., Griggs, D.J., Noguer, M., van der Linden, P.J., Dai, X., Maskell, K., and Johnson, C.A., eds.: Cambridge, United Kingdom and New York, New York, USA, Cambridge University Press, p. 639–693.

Douglas, B.C., 2001, Sea level change in the era of the recording tide gauge, p. 37–64, in Douglas, B.C., Kearney, M.S., and Leatherman, S.P., eds., Sea level rise: History and consequences: San Diego, California, Academic Press, 272 p.

Haramis, G. Michael, Dennis G. Jorde, Stephen A. Macko, and Jane L. Walker. "Stable-Isotope Analysis of Canvasback Winter Diet in Upper Chesapeake Bay." The Auk 118, no. 4 (2001): 1008-017. doi:10.2307/4089849.

Langland, M.J., Edwards, R.E., Sprague, L.A., and Yochum, S.E., 2001, Summary of trends and status analysis for flow, nutrients, and sediments at selected nontidal sites, Chesapeake Bay basin, 1985-99: U.S. Geological Survey Open-File Report 2001–0073, 49 p.,

Peper, John D., McCartan, Lucy B., Horton, J. Wright Jr., and Reddy, James E., 2001, Preliminary Lithogeochemical Map Showing Near-Surface Rock Types in the Chesapeake Bay Watershed, Virginia and Maryland, U.S. Geological Survey Open-File Report 01-187, Version 1.0.

Phillips, S.W. 2001, The Impact of Sediment on the Chesapeake Bay and its Watershed SRI 2004-5056.

Phillips, S.W. 2001, The U.S. Geological Survey Chesapeake Bay Science Program, USGS Fact Sheet FS-125-01.

Plummer, L. N., Busenberg, E., Böhlke, J. K., Nelms, D. L., Michel, R. L., and Schlosser, P., 2001, Groundwater residence times in Shenandoah National Park, Blue Ridge Mountains, Virginia, USA: a multi-tracer approach: Chemical Geology, v. 179, p. 93-111.

Rattner, Barnett & Mcgowan, Peter & Hatfield, J & Hong, C & Chu, S. (2001). Organochlorine Contaminant Exposure and Reproductive Success of Black-Crowned Night-Herons ( Nycticorax nycticorax ) Nesting inBaltimore Harbor, Maryland. Archives of environmental contamination and toxicology. 41. 73-82. 10.1007/s002440010222

Rice, K.C., Maben, S.W., Webb, J.R., 2001, Water-quality data of soil water from three watersheds, Shenandoah National Park, Virginia, 1999-2000: U.S. Geological Survey Open-File Report 2001–0236, 17 p.,

Rybicki, N.B., 2001, Relationships between environmental variables and submersed aquatic vegetation in the Potomac River, 1985-1997, Ph. D Thesis, George Mason University, Fairfax, Va.

Rybicki, N.B., McFarland, D.G., Ruhl, H.A. et al. Investigations of the availability and survival of submersed aquatic vegetation propagules in the tidal Potomac River. Estuaries 24, 407–424 (2001).

Sprague, L.A., 2001, Effects of storm-sampling frequency on estimation of water-quality loads and trends in two tributaries to Chesapeake Bay in Virginia: U.S. Geological Survey Water-Resources Investigations Report 2001–4136, 38 p.,
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Ator, S.W., Denver, J.M., and Hancock, T.C., 2000, Relating shallow ground-water quality to surfical hydrogeology in the Mid-Atlantic Coastal Plain, in Proceedings of the National Water-Quality Monitoring Conference, April 25–27, 2000, Austin, Texas, p. 409–423.

Batuik, R. & Bergstrom, P. & Kemp, M. & Koch, Evamaria & Murray, L. & Stevenson, John & Bartleson, Richard & Carter, V. & Rybicki, Nancy & Landwehr, Jurate & Gallegos, C. & Karrh, L. & Naylor, M. & Wilcox, D. & Moore, Kenneth & Ailstock, M. & Teichberg, Mirta. (2000). Chesapeake Bay Submerged Aquatic Vegetation Water Quality and Habitat-Based Requirements and Restoration Targets: A Second Technical Synthesis A Watershed Partnership

Blazer, V.S., 2000, Necropsy-based fish health assessment, in Schmitt, C.J., and Dethloff, G.M., eds., Biomonitoring of Environmental Status and Trends (BEST) Program: Selected methods for monitoring chemical contaminants and their effects in aquatic ecosystems: U.S. Geological Survey Information and Technology Report USGS/BRD-2000-0005, p. 18–22.

Böhlke, J. K., and Horan, M., 2000, Strontium isotope geochemistry of ground waters and streams affected by agriculture, Locust Grove, Maryland: Applied Geochemistry, v. 15, p. 599-609.

Carter, V., Rybicki, N.B., Landwehr, J.M., and Naylor, M., 2000, Light requirements for SAV survival and growth: Chesapeake Bay Submerged Aquatic Vegetation Water Quality and Habitat-Based Requirements and Restoration Targets - A Second Technical Synthesis, printed by the United States Environmental Protection Agency for the Chesapeake Bay Program, p. 11-33.

Conko, K.M., Kennedy, M.M., and Rice, K.C., 2000, Water-quality data collected at Lake Anne, Reston, Virginia, 1997-1999: USGS Open-File Report 00-481, 49 p.

Cronin, Thomas, M.; Willard, Debra, A.; Phillips, Scott, W; 2000, Effects of Climate Variability and Human Activities on Chesapeake Bay and the Implications for Ecosystem Restoration (2000), U.S. Geological Survey Fact Sheet 116-00.

Cronin, Thomas & Willard, Debra & Karlsen, A. & Ishman, Scott & Verardo, S. & McGeehin, J. & Kerhin, R. & Holmes, Charles & Colman, Steven & Zimmerman, Andrew. (2000). Climatic variability in the eastern United States over the past millenium from Chesapeake Bay sediments. Geology. 28. 10.1130/0091-7613(2000)028<0003:CVITEU>2.3.CO;2.

Harms, C.A., Ottinger, C.A., Blazer, V.S., Densmore, C.L., Pieper, L.H., and Kennedy-Stoskopf, S., 2000, Quantitative polymerase chain reaction for transforming growth factor-ß applied to a field study of fish health in Chesapeake Bay tributaries: Environmental Health Perspectives, v. 108, no. 5, p. 447–452.

Harms, Craig & Ottinger, Christopher & Kennedy-Stoskopf, Suzanne. (2000). Correlation of Transforming Growth Factor-β Messenger RNA (TGF-β mRNA) Expression with Cellular Immunoassays in Triamcinolone-Treated Captive Hybrid Striped Bass. Journal of Aquatic Animal Health - J AQUAT ANIM HEALTH. 12. 9-17. 10.1577/1548-8667(2000)012<0009:COTGFM>2.0.CO;2

Hupp, C.R. (2000), Hydrology, geomorphology and vegetation of Coastal Plain rivers in the south‐eastern USA. Hydrol. Process., 14: 2991-3010. doi:10.1002/1099-1085(200011/12)14:16/17<2991::AID-HYP131>3.0.CO;2-H.

Sprague, L.A., Langland, M.J., Yochum, S.E., Edwards, R.E., Blomquist, J.D., Phillips, S.W., Shenk, G.W., and Preston, S.D., 2000, Factors Affecting Nutrient Trends in Major Rivers of the Chesapeake Bay Watershed: U.S. Geological Survey Water-Resources Investigations Report 00-4218, 98 p.
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Scott Phillips

Chesapeake Bay Program Coordinator
Region 1: North Atlantic-Appalachian
Phone: 443-498-5552

Ken Hyer, Ph.D.

Chesapeake Bay Associate Coordinator
Chesapeake Bay Activities
Phone: 804-261-2636