Unified Interior Regions

Region 1: North Atlantic-Appalachian

Our Science Centers

Our Science Centers

The NAA Region has 15 Science Centers spanning 14 NE States and Washington, DC. The Centers conduct interdisciplinary biologic, geologic, hydrologic, and energy monitoring and research addressing natural resource issues facing our nation.

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February Photo Contest

February Photo Contest

Check out the winning photographs in the February 2020 Photo Contest! Categories include People, USGS at Work, Where We Work, and Honorable Mention

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Regions L2 Landing Page Tabs

Filter Total Items: 15,711
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Year Published: 2015

Connectivity among subpopulations of Louisiana black bears as estimated by a step selection function

Habitat fragmentation is a fundamental cause of population decline and increased risk of extinction for many wildlife species; animals with large home ranges and small population sizes are particularly sensitive. The Louisiana black bear (Ursus americanus luteolus) exists only in small, isolated subpopulations as a result of land clearing for...

Clark, Joseph D.; Jared S. Laufenberg; Maria Davidson; Jennifer L. Murrow
Clark, J. D., J. S. Laufenberg, M. Davidson, and J. L. Murrow. 2015. Connectivity among Subpopulations of Louisiana Black Bears as Estimated by a Step-selection Function. Journal of Wildlife Management 0:000-000.

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Year Published: 2015

Interactive effects of climate change with nutrients, mercury, and freshwater acidification on key taxa in the North Atlantic Landscape Conservation Cooperative region

The North Atlantic Landscape Conservation Cooperative LCC (NA LCC) is a public–private partnership that provides information to support conservation decisions that may be affected by global climate change (GCC) and other threats. The NA LCC region extends from southeast Virginia to the Canadian Maritime Provinces. Within this region, the US...

Pinkney, Alfred E.; Driscoll, Charles T.; Evers, David C.; Hooper, Michael J.; Horan, Jeffrey; Jones, Jess W.; Lazarus, Rebecca S.; Marshall, Harold G.; Milliken, Andrew; Rattner, Barnett A.; Schmerfeld, John J.; Sparling, Donald W.

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Year Published: 2015

Sediment transport-based metrics of wetland stability

Despite the importance of sediment availability on wetland stability, vulnerability assessments seldom consider spatiotemporal variability of sediment transport. Models predict that the maximum rate of sea level rise a marsh can survive is proportional to suspended sediment concentration (SSC) and accretion. In contrast, we find that SSC and...

Ganju, Neil K.; Kirwan, Matthew L.; Dickhudt, Patrick J.; Guntenspergen, Glenn R.; Cahoon, Donald R.; Kroeger, Kevin D.
Ganju, N. K., Kroeger, K. D., Kirwan, M. L., Dickhudt, P. J., Guntenspergen, G. R., and Cahoon, D. R., 2015, Sediment transport-based metrics of wetland stability: Geophysical Research Letters, v. 42, no. 19, p. 7992-8000.

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Year Published: 2015

Preliminary estimates of annual agricultural pesticide use for counties of the conterminous United States, 2013

Summary This report provides preliminary estimates of annual agricultural use of 387 pesticide compounds in counties of the conterminous United States in 2013, compiled by means of methods described in Thelin and Stone (2013) and Baker and Stone (2015). U.S. Department of Agriculture county-level data for harvested-crop acreage were used in...

Baker, Nancy T.
Baker, N.T., 2015, Preliminary estimates of annual agricultural pesticide use for counties of the conterminous United States, 2013: U.S. Geological Survey Open-File Report 2015–1176, 3 p., 14 tables, http://dx.doi.org/10.3133/ofr20151176.

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Year Published: 2015

Geochemical legacies and the future health of cities: A tale of two neurotoxins in urban soils

The past and future of cities are inextricably linked, a linkage that can be seen clearly in the long-term impacts of urban geochemical legacies. As loci of population as well as the means of employment and industry to support these populations, cities have a long history of co-locating contaminating practices and people, sometimes with negative...

Fillipelli, Gabriel M.; Risch, Martin R.; Laidlaw, Mark A. S.; Nichols, Deborah E.; Crewe, Julie
Elementa: Science of the Anthropocene • 3: 000059 • doi: 10.12952/journal.elementa.000059 elementascience.org

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Year Published: 2015

Localization and seasonal variation of blue pigment (sandercyanin) in walleye (Sander vitreus)

Several fish species, including the walleye (Sander vitreus), have “yellow” and “blue” color morphs. In S. vitreus, one source of the blue color has been identified as a bili-binding protein pigment (sandercyanin), found in surface mucus of the fish. Little is known about the production of the pigment or about its...

Schaefer, Wayne; Schmitz, Mark; Blazer, Vicki S.; Ehlinger, Tim; Berges, John

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Year Published: 2015

Mineral Resource of the Month: Iodine

Iodine is a bluish-black lustrous solid (violet-colored in its gaseous state) found primarily in seaweed, underground brines associated with petroleum deposits and caliche ore deposits. 

Schnebele, Emily
Earth:September 26, 2015

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Year Published: 2015

On the reconstruction of palaeo-ice sheets: Recent advances and future challenges

Reconstructing the growth and decay of palaeo-ice sheets is critical to understanding mechanisms of global climate change and associated sea-level fluctuations in the past, present and future. The significance of palaeo-ice sheets is further underlined by the broad range of disciplines concerned with reconstructing their behaviour, many of which...

Stokes, Chris R.; Tarasov, Lev; Blomdin, Robin; Cronin, Thomas M.; Fisher, Timothy G.; Gyllencreutz, Richard; Hattestrand, Clas; Heyman, Jakob; Hindmarsh, Richard C. A.; Hughes, Anna L. C.; Jakobsson, Martin; Kirchner, Nina; Livingstone, Stephen J.; Margold, Martin; Murton, Julian B.; Noormets, Riko; Peltier, W. Richard; Peteet, Dorothy M.; Piper, David J. W.; Preusser, Frank; Renssen, Hans; Roberts, David H.; Roche, Didier M.; Saint-Ange, Francky; Stroeven, Arjen P.; Teller, James T.

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Year Published: 2015

Preface to the special issue on gas hydrate drilling in the Eastern Nankai Trough

Methane hydrate traps enormous amounts of methane in frozen deposits in continental margin sediments, and these deposits have long been targeted for studies investigating their potential as an energy resource. As a concentrated form of methane that occurs at shallower depths than conventional and most unconventional gas reservoirs, methane...

Yamamoto, Koji; Ruppel, Carolyn D.
Yamamoto, K., and Ruppel, C., 2015, Preface to the Special Issue on Gas Hydrate Drilling in the Eastern Nankai Trough: Marine and Petroleum Geology, v. 66, no. 2, 295-496 p.

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Year Published: 2015

Soil geochemical survey of abandoned mining sites in the Eastern-Central Peloritani Mountains, Sicily, Italy

This investigation focused on topsoils (n = 122) and vertical profiles (n = 6) distributed over an area of 250 km2 in the eastern-central Peloritani Mountains, northeastern Sicily. Georeferenced concentration of 53 elements (including potentially harmful ones), determined by ICP-MS after an aqua regia leach, were used to produce geochemical...

Consenza, A.; Lima, A.; Ayuso, Robert A.; Foley, Nora K.; Albanese, S.; Messina, A.; De Vivo, B.
Cosenza, A., Lima, A., Ayuso, R. A., Foley, N. K., Albanese, S., Messina, A., & De Vivo, B. (2015). Soil geochemical survey of abandoned mining sites in the Eastern-Central Peloritani Mountains, Sicily, Italy. Geochemistry: Exploration, Environment, Analysis, 15(4), 361–372.

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Year Published: 2015

Suburban watershed nitrogen retention: Estimating the effectiveness of stormwater management structures

Excess nitrogen (N) is a primary driver of freshwater and coastal eutrophication globally, and urban stormwater is a rapidly growing source of N pollution. Stormwater best management practices (BMPs) are used widely to remove excess N from runoff in urban and suburban areas, and are expected to perform under a wide variety of environmental...

Koch, Benjamin J.; Febria, Catherine M.; Cooke, Roger M.; Hosen, Jacob D.; Baker, Matthew E.; Colson, Abigail R.; Filoso, Solange; Hayhoe, Katharine; Loperfido, J. V.; Stoner, Anne M.K.; Palmer, Margaret A.
Koch, Benjamin J., Febria, Catherine M., Cooke, Roger M., Hosen, Jacob D., Baker, Matthew E., Colson, Abigail R., Filoso, Solange, Hayhoe, Katharine, Loperfido, J.V., Stoner, Anne, M.K., Palmer, Margaret A., 2015, Suburban watershed nitrogen retention-Estimating the effectiveness of stormwater management structures: Elementa Science of the Anthropocene, Special Feature-Urban Aquatic Ecosystems, DOI 10.12952/journal.elementa.000063.

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Year Published: 2015

Fluvial geomorphology and suspended-sediment transport during construction of the Roanoke River Flood Reduction Project in Roanoke, Virginia, 2005–2012

Beginning in 2005, after decades of planning, the U.S. Army Corps of Engineers (USACE) undertook a major construction effort to reduce the effects of flooding on the city of Roanoke, Virginia—the Roanoke River Flood Reduction Project (RRFRP). Prompted by concerns about the potential for RRFRP construction-induced geomorphological instability...

Jastram, John D.; Krstolic, Jennifer L.; Moyer, Douglas; Hyer, Kenneth
Jastram, J.D., Krstolic, J.L., Moyer, D.L., and Hyer, K.E., 2015, Fluvial geomorphology and suspended-sediment transport during construction of the Roanoke River Flood Reduction Project in Roanoke, Virginia, 2005–2012: U.S. Geological Survey Scientific Investigations Report 2015–5111, 53 p., http://dx.doi.org/10.3133/sir20155111.

Filter Total Items: 1,588
Health Assessment on northern snakehead fish

Health Assessment on northern snakehead fish

Dr.s Densmore and Henderson conducting a health assessment on a northern snakehead fish. This fish species is an air breather so health assessments out of water are not impossible to perform. 

Head of the Meadow Beach video camera 2 bright image

Two video cameras are mounted on a bluff near Head of the Meadow Beach, Cape Cod National Seashore, North Truro, MA. One camera looks directly offshore (north east), and the second looks alongshore (north-northeast). A “bright” image shows the brightest pixel values throughout the video, useful for identifying the position of maximum wave run-up on the beach, position of

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