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We conduct impartial, multi- and interdisciplinary research and monitoring on a large range of natural-resource issues that impact the quality of life of citizens and landscapes of the Southeastern United States and the Caribbean region.

Filter Total Items: 234
Gulf sturgeon being weighed and measured
Date Published: October 14, 2003

Gulf sturgeon Fact Sheet

Gulf sturgeon Fact Sheet

Wabash River at Lafayette, Indiana
Date Published: September 29, 2001
Status: Active

Alabama Statewide Flood Frequency

The magnitude and frequency of floods are important factors in the design of bridges, culverts, highway embankments, dams, and other hydraulic structures near streams. Information on flood magnitude and frequency is also used in flood plain management and development, and in establishing flood insurance rates. The objective of this project is to develop improved methods and equations for...

Crops at a farm in Kansas
Date Published: January 1, 2001
Status: Active

Water Use in Louisiana

The U.S. Geological Survey (USGS), in cooperation with the Louisiana Department of Transportation and Development (DOTD), has collected and published information on water withdrawals and use on a 5-year basis since 1960. The reports present information on withdrawals from ground- and surface-water sources for use in water supply, industry, power generation, rural domestic, livestock,...

Hurricane Preparedness Diagram
Date Published: September 15, 2000

East Baton Rouge Parish Hurricane Response Map

In the event of a hurricane, the appropriate response could save your life. This “East Baton Rouge Parish Hurricane Response Map” is a tool that can be useful in making decisions pertaining to evacuation and safety. IF LOCAL AUTHORITIES RECOMMEND EVACUATION, YOU SHOULD LEAVE--via major evacuation routes shown in red. Louisiana State Police Troop (A) headquarters can assist you in the most...

Mississippi Delta Management Systems Evaluation Areas
Date Published: January 1, 1999

Mississippi Delta Management Systems Evaluation Areas (MDMSEA)

The Mississippi Delta Management Systems Evaluation Areas (MDMSEA) Project began in 1995 with two purposes: 1) to assess how agricultural activities affect water quality; and 2) to evaluate Best Management Practices (BMPs) that mitigate agricultural nonpoint source pollution. The project is located in the northwestern portion of Mississippi, an area of intense agriculture referred to as the...

Water Use Site Retrieval Page Icon
Date Published: September 1, 1977
Status: Active

Arkansas Water Use Program

In 1977, the Congress of the United States recognized the need for uniform, current, and reliable information on water use and directed the U.S. Geological Survey to establish a National Water-Use Information Program (NWUIP) to complement the Survey's data on the availability and quality of the Nations water resources. Since 1985 site-specific water-use data for several categories have been...

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Year Published: 2016

Methods for estimating selected spring and fall low-flow frequency statistics for ungaged stream sites in Iowa, based on data through June 2014

A statewide study was led to develop regression equations for estimating three selected spring and three selected fall low-flow frequency statistics for ungaged stream sites in Iowa. The estimation equations developed for the six low-flow frequency statistics include spring (April through June) 1-, 7-, and 30-day mean low flows for a recurrence...

Eash, David A.; Barnes, Kimberlee K.; O'Shea, Padraic S.
Eash, D.A., Barnes, K.K., and O’Shea, P.S., 2016, Methods for estimating selected spring and fall low-flow frequency statistics for ungaged stream sites in Iowa, based on data through June 2014 (ver. 1.1, October 2016): U.S. Geological Survey Scientific Investigations Report 2016–5111, 32 p., http://dx.doi.org/10.3133/sir20165111.

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Year Published: 2016

Examination of flood characteristics at selected streamgages in the Meramec River Basin, eastern Missouri, December 2015–January 2016

OverviewHeavy rainfall resulted in major flooding in the Meramec River Basin in eastern Missouri during late December 2015 through early January 2016. Cumulative rainfall from December 14 to 29, 2015, ranged from 7.6 to 12.3 inches at selected precipitation stations in the basin with flooding driven by the heaviest precipitation (3.9–9.7 inches)...

Holmes, Robert R.; Koenig, Todd A.; Rydlund, Jr., Paul H.; Heimann, David C.
Holmes, R.R., Jr., Koenig, T.A., Rydlund, P.H., and Heimann, D.C., 2016, Examination of flood characteristics at selected streamgages in the Meramec River Basin, Eastern Missouri, December 2015–January 2016: U.S. Geological Survey Open-File Report 2016–1140, 7 p., http://dx.doi.org/10.3133/ofr20161140.

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Year Published: 2016

Generalized sediment budgets of the Lower Missouri River, 1968–2014

Sediment budgets of the Lower Missouri River were developed in a study led by the U.S. Geological Survey in cooperation with the U.S. Army Corps of Engineers. The scope of the study included the development of a long-term (post-impoundment, 1968–2014) average annual sediment budget and selected annual, monthly, and daily sediment budgets for a...

Heimann, David C.
Heimann, D.C., 2016, Generalized sediment budgets of the Lower Missouri River, 1968–2014: U.S. Geological Survey Scientific Investigations Report 2016–5097, 51 p., http://dx.doi.org/10.3133/sir20165097.

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Year Published: 2016

Greenhouse gas emissions from a created brackish marsh in eastern North Carolina

Tidal marsh creation helps remediate global warming because tidal wetlands are especially proficient at sequestering carbon (C) in soils. However, greenhouse gas (GHG) losses can offset the climatic benefits gained from C storage depending on how these tidal marshes are constructed and managed. This study attempts to determine the GHG emissions...

Shiau, Yo-Jin; Burchell, Michael R.; Krauss, Ken W.; Birgand, François; Broome, Stephen W.
Shiau, Y.-J., Burchell, M.R., Krauss, K.W., Birgand, F., and Broome, S.W., 2016, Greenhouse gas emissions from a created brackish marsh in eastern North Carolina: Wetlands, Online First, 16 p., http://dx.doi.org/10.1007/s13157-016-0815-y.

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Year Published: 2016

Entrainment, retention, and transport of freely swimming fish in junction gaps between commercial barges operating on the Illinois Waterway

Large Electric Dispersal Barriers were constructed in the Chicago Sanitary and Ship Canal (CSSC) to prevent the transfer of invasive fish species between the Mississippi River Basin and the Great Lakes Basin while simultaneously allowing the passage of commercial barge traffic. We investigated the potential for entrainment, retention, and...

Davis, Jeremiah J.; Jackson, P. Ryan; Engel, Frank L.; LeRoy, Jessica Z.; Neeley, Rebecca N.; Finney, Samuel T.; Murphy, Elizabeth A.
Davis, J.J., Jackson, P.R., Engel, F.L., LeRoy, J.Z., Neeley, R.N., Finney, S.T., Murphy, E.A., 2016, Entrainment, retention, and transport of freely swimming fish in junction gaps between commercial barges operating on the Illinois Waterway, Journal of Great Lakes Research, Volume 42, Issue 4, 837-848, ISSN 0380-1330, http://dx.doi.org/10.1016/j.jglr.2016.05.005.

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Year Published: 2016

Metformin and other pharmaceuticals widespread in wadeable streams of the southeastern United States

Pharmaceutical contaminants are growing aquatic-health concerns and largely attributed to wastewater treatment facility (WWTF) discharges. Five biweekly water samples from 59 small Piedmont (United States) streams were analyzed for 108 pharmaceuticals and degradates using high-performance liquid chromatography and tandem mass spectrometry. The...

Bradley, Paul M.; Journey, Celeste A.; Button, Daniel T.; Carlisle, Daren M.; Clark, Jimmy M.; Mahler, Barbara J.; Nakagaki, Naomi; Qi, Sharon L.; Waite, Ian R.; Van Metre, Peter C.

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Year Published: 2016

A python framework for environmental model uncertainty analysis

We have developed pyEMU, a python framework for Environmental Modeling Uncertainty analyses, open-source tool that is non-intrusive, easy-to-use, computationally efficient, and scalable to highly-parameterized inverse problems. The framework implements several types of linear (first-order, second-moment (FOSM)) and non-linear uncertainty analyses...

White, Jeremy; Fienen, Michael N.; Doherty, John E.

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Year Published: 2016

Evaluation of potential mechanisms of atrazine-induced reproductive impairment in fathead minnow (Pimephales promelas) and Japanese medaka (Oryzias latipes)

Atrazine has been implicated in reproductive dysfunction of exposed organisms, and previous studies documented decreased egg production in Japanese medaka (Oryzias latipes) and fathead minnows (Pimephales promelas) during 30-d to 38-d exposures to 0.5 µg/L, 5 µg/L, and 50 µg/L atrazine. The authors evaluated possible mechanisms underlying the...

Richter, Catherine A.; Papoulias, Diana M.; Whyte, Jeffrey J.; Tillitt, Donald E.
Richter, C.A., Papoulias, D.M., Whyte, J.J., and Tillitt, D.E., 2016, Evaluation of Potential Mechanisms of Atrazine-Induced Reproductive Impairment in Fathead Minnow (Pimephales promelas) And Japanese Medaka (Oryzias latipes): Environmental Toxicology and Chemistry, Vol. 35, No. 9, pp. 2230-2238

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Year Published: 2016

Differences found in the macroinvertebrate community composition in the presence or absence of the invasive alien crayfish, Orconectes hylas

Introductions of alien species into aquatic ecosystems have been well documented, including invasions of crayfish species; however, little is known about the effects of these introductions on macroinvertebrate communities. The woodland crayfish (Orconectes hylas (Faxon)) has been introduced into the St. Francis River watershed in southeast...

Freeland-Riggert, Brandye T.; Cairns, Stefan H.; Poulton, Barry C.; Riggert, Chris M.
Freeland-Riggert, B.T., Cairns, S.H., Poulton, B.C., and Riggert, C.M., 2016, Differences Found in the Macroinvertebrate Community Composition in the Presence or Absence of the Invasive Alien Crayfish, Orconectes hylas: PLoS ONE 11(3): e0150199

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Year Published: 2016

Regulation of the hunting season as a tool for adaptive harvest management — First results for pink-footed geese Anser brachyrhynchus

Adjustment of hunting season length is often used to regulate harvest of waterbirds but the effects are disputed. We describe the first results of season length extension on the harvest of the pink-footed goose, which has been selected as the first test case of adaptive harvest management of waterbirds in Europe. In Denmark, the season (previously...

Madsen, Jesper; Clausen, Kevin K.; Christensen, Thomas K.; Johnson, Fred A.

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Year Published: 2016

Seiche-induced unsteady flows in the Huron-Erie Corridor: Spectral analysis of oscillations in stage and discharge in the St. Clair and Detroit Rivers

Animations of highly dynamic water-surface profiles through the St. Clair and Detroit Rivers have identified transient disturbances propagating from Lakes Huron and Erie into the St. Clair and Detroit Rivers, respectively. To determine any relation to seiche and tidal oscillations on Lakes Huron and Erie, a spectral analysis was performed on...

Contantinescu, G.; Garcia, M.; Hanes, D.; Jackson, P. Ryan
Jackson, P.R., 2016, Seiche-induced unsteady flows in the Huron-Erie Corridor: Spectral analysis of oscillations in stage and discharge in the St. Clair and Detroit Rivers. In: Proceedings of the International Conference on Fluvial Hydraulics (River Flows 2016), Contantinescu, G., Garcia, M., Hanes, D (eds.), St. Louis, USA, 235-241.

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Year Published: 2016

Three-dimensional numerical modeling of mixing at the junction of the Calumet-Sag Channel and the Chicago Sanitary and Ship Canal: A comparison between density-driven and advection-driven mixing

The Chicago Area Waterway System (CAWS) includes the Chicago Sanitary and Ship Canal (CSSC) and the Calumet-Sag Channel (Cal-Sag), the two primary, man-made connections between the Mississippi River Basin and the Great Lakes. The U.S. Geological Survey (USGS) monitors diversion of Great Lakes water at a streamgage just downstream of the confluence...

Constantinescu, George; Garcia, Marcelo H.; Hanes, Dan; Wang, Dongchen; Dudda, Som; Jackson, P. Ryan; Garcia, Marcelo H.
Wang, D., Dutta, S., Jackson, P.R., and Garcia, M.H., 2016, Three-dimensional numerical modeling of mixing at the junction of the Calumet-Sag Channel and the Chicago Sanitary and Ship Canal: A comparison between density-driven and advection-driven mixing. In: Proceedings of the International Conference on Fluvial Hydraulics (River Flows 2016), Contantinescu, G., Garcia, M., Hanes, D (eds.), St. Louis, USA, 1587-1595.