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Filter Total Items: 2,467
Year Published: 2016

Seasonal Variability in Vadose zone biodegradation at a crude oil pipeline rupture site

Understanding seasonal changes in natural attenuation processes is critical for evaluating source-zone longevity and informing management decisions. The seasonal variations of natural attenuation were investigated through measurements of surficial CO2 effluxes, shallow soil CO2 radiocarbon contents, subsurface gas concentrations, soil temperature...

Sihota, Natasha J.; Trost, Jared J.; Bekins, Barbara; Berg, Andrew M.; Delin, Geoffrey N.; Mason, Brent E.; Warren, Ean; Mayer, K. Ulrich
Sihota, N.J., Trost, J.J., Bekins, B.A., Berg, A., Delin, G.N., Mason, B., Warren, E., and Mayer, K.U., 2016, Seasonal variability in vadose zone biodegradation at a crude oil pipeline rupture site: Vadose Zone Journal, v. 15, no. 5, 14 p.,

Year Published: 2016

Spatiotemporal patterns of mercury accumulation in lake sediments of western North America

For the Western North America Mercury Synthesis, we compiled mercury records from 165 dated sediment cores from 138 natural lakes across western North America. Lake sediments are accepted as faithful recorders of historical mercury accumulation rates, and regional and sub-regional temporal and spatial trends were analyzed with descriptive and...

Drevnick, Paul; Cooke, Colin A.; Barraza, Daniella; Blais, Jules M.; Coale, Kenneth; Cumming, Brian F.; Curtis, Chris; Das, Biplob; Donahue, William F.; Eagles-Smith, Collin A.; Engstrom, Daniel R.; Fitzgerald, William F.; Furl, Chad V.; Gray, John R.; Hall, Roland I.; Jackson, Togwell A.; Laird, Kathleen R.; Lockhart, W. Lyle; Macdonald, Robie W.; Mast, M. Alisa; Mathieu, Callie; Muir, Derek C.G.; Outridge, Peter; Reinemann, Scott; Rothenberg, Sarah E.; Ruiz-Fernandex, Ana Carolina; St. Louis, V.L.; Sanders, Rhea; Sanei, Hamed; Skierszkan, Elliott; Van Metre, Peter C.; Veverica, Timothy; Wiklund, Johan A.; Wolfe, Brent B.
Drevnick, P.D., Cooke, C.A., Barraza, D., Blais, J.M., Coale, K.H., Cumming, B.F., Curtis, C.J., Das, B., Donohue, W.F., Eagles-Smith, C.A., Engstrom, D.R., Fitzgerald, W.F., Furl, C.V., Gray, J.R., Hall, R.I., Jackson, T.A., Laird, K.R., Lockhart, W.L., Macdonald, R.W., Mast, M.A., Mathieu, C., Muir, D.C., Outridge, P.M., Reinemann, S.A., Rothenberg, S.E., Ruiz-Fernandez, A.C., St. Louis, V., Sanders, R.D., Sanei, H., Skierszkan, E.K., Van Metre, P.C., Veverica, T.J., Wiklund, J.A., 2016, Spatiotemporal patterns of mercury accumulation in lake sediments of western North America: Science of the Total Environment, p. online, http://dx.doi.org/10.1016/j.scitotenv.2016.03.167.

Year Published: 2016

Mercury risk to avian piscivores across western United States and Canada

The widespread distribution of mercury (Hg) threatens wildlife health, particularly piscivorous birds. Western North America is a diverse region that provides critical habitat to many piscivorous bird species, and also has a well-documented history of mercury contamination from legacy mining and atmospheric deposition. The diversity of landscapes...

Jackson, Allyson K.; Evers, David C.; Eagles-Smith, Collin A.; Ackerman, Joshua T.; Willacker, James J.; Elliott, John E.; Lepak, Jesse M.; Vander Pol, Stacy S.; Bryan, Colleen E.
Jackson, A.K., Evers, D.C., Eagles-Smith, C.A., Ackerman, J.T., Willacker Jr., J.J., Elliott, J.E., Lepak, J.M., Vander Pol, S.S., Bryan, C.E., 2016, Mercury risk to avian piscivores across western United States and Canada: Science of the Total Environment, p. online, http://dx.doi.org/10.1016/j.scitotenv.2016.02.197.

Year Published: 2016

Pre/post-closure assessment of groundwater pharmaceutical fate in a wastewater‑facility-impacted stream reach

Pharmaceutical contamination of contiguous groundwater is a substantial concern in wastewater-impacted streams, due to ubiquity in effluent, high aqueous mobility, designed bioactivity, and to effluent-driven hydraulic gradients. Wastewater treatment facility (WWTF) closures are rare environmental remediation events; offering unique insights into...

Bradley, Paul M.; Barber, Larry B.; Clark, Jimmy M.; Duris, Joseph W.; Foreman, William T. ; Furlong, Edward T.; Givens, Carrie E.; Hubbard, Laura E.; Hutchinson, Kasey J.; Journey, Celeste A.; Keefe, Steffanie H.; Kolpin, Dana W.
P.M., Bradley, L.B. Barber, J.W. Duris, W.T. Foreman, E.T. Furlong, C.E. Givens, L.E. Hubbard, K.J. Hutchinson, C.A. Journey, S.H. Keefe, D.W. Kolpin. Pre/post-closure assessment of groundwater pharmaceutical fate in a wastewater-impacted stream system. Science of the Total Environment. http://dx.doi.org/10.​1016/​j.​scitotenv.​2016.​06.​104

Year Published: 2016

A comparison of three macroinvertebrate sampling devices for use in conducting rapid-assessment procedures of Delmarva Peninsula wetlands

Three types of macroinvertebrate collecting devices, Gerking box traps, D-shaped sweep nets, and activity traps, have commonly been used to sample macroinvertebrates when conducting rapid biological assessments of North American wetlands. We compared collections of macroinvertebrates identified to the family level made with these devices in 6...

Lowe, T. Peter; Tebbs, Kerry; Sparling, Donald W.
Lowe, T. P., Tebbs, K., and Sparling, D. W., 2016, A comparison of three macroinvertebrate sampling devices for use in conducting rapid-assessment procedures of Delmarva Peninsula wetlands: Northeastern Naturalist, v. 23, no. 2, p. 321-338.

Year Published: 2016

Spatial modeling of wild bird risk factors to investigate highly pathogenic A(H5N1) avian influenza virus transmission

One of the longest-persisting avian influenza viruses in history, highly pathogenic avian influenza virus (HPAIV) A(H5N1), continues to evolve after 18 years, advancing the threat of a global pandemic. Wild waterfowl (family Anatidae), are reported as secondary transmitters of HPAIV, and primary reservoirs for low-pathogenic avian influenza...

Prosser, Diann J.; Hungerford, Laura L.; Erwin, R. Michael; Ottinger, Mary Ann; Takekawa, John Y.; Newman, Scott H.; Xiao, Xianming; Ellis, Erie C.
Prosser, D. J., Hungerford, L. L., Erwin, R. M., Ottinger, M. A., Takekawa, J. Y., Newman, S. H., Xiao, X., and Ellis, E. C., 2016, Spatial modeling of wild bird risk factors to investigate highly pathogenic A(H5N1) avian influenza virus transmission: Avian Diseases, v. 60, p. 329-336.

Year Published: 2016

Resetting the bar: Establishing baselines for persistent contaminants after Hurricane Sandy in the coastal environments of New Jersey and New York, USA

In the immediate aftermath of natural disasters, public health officials and other first responders engage in many activities to protect the public and ecosystems in the affected area. These activities include critical tasks designed to minimize adverse consequences resulting from chemical and microbial contaminant exposures, such as acute disease...

Reilly, Timothy J.; Focazio, Michael J.; Simmons, Dale L.

Year Published: 2016

Mercury in western North America: A synthesis of environmental contamination, fluxes, bioaccumulation, and risk to fish and wildlife

Western North America is a region defined by extreme gradients in geomorphology and climate, which support a diverse array of ecological communities and natural resources. The region also has extreme gradients in mercury (Hg) contamination due to a broad distribution of inorganic Hg sources. These diverse Hg sources and a varied landscape create a...

Eagles-Smith, Collin A.; Wiener, James G.; Eckley, Chris S.; Willacker, James J.; Evers, David C.; Marvin-DiPasquale, Mark C.; Obrist, Daniel; Fleck, Jacob; Aiken, George R.; Lepak, Jesse M.; Jackson, Allyson K.; Webster, Jackson; Stewart, Robin; Davis, Jay; Alpers, Charles N.; Ackerman, Joshua T.
Eagles-Smith, C.A., Wiener, J.G., Eckley, C.S., Willacker Jr., J.J., Evers, D.C., Marvin-DiPasquale, M.C., Obrist, D., Fleck, J.A., Aiken, G.R., Lepak, J.M., Jackson, A.K., Stewart, A.R., Webster, J., Davis, J.A., Alpers, C.N., Ackerman, J.T., 2016, Mercury in western North America- A synthesis of environmental contamination, fluxes, bioaccumulation and risk to fish and wildlife: Science of the Total Environment, p. 1213-1226, https://doi.org/10.1016/j.scitotenv.2016.05.094.

Year Published: 2016

Detection of hepatitis E virus and other livestock-related pathogens in Iowa streams

Manure application is a source of pathogens to the environment. Through overland runoff and tile drainage, zoonotic pathogens can contaminate surface water and streambed sediment and could affect both wildlife and human health. This study examined the environmental occurrence of gene markers for livestock-related bacterial, protozoan, and viral...

Givens, Carrie E.; Kolpin, Dana W.; Borchardt, Mark A.; Duris, Joseph W.; Moorman, Thomas B.; Spencer, Susan K.

Year Published: 2016

Endocrine disrupting activities of surface water associated with a West Virginia oil and gas industry wastewater disposal site

Currently, >95% of end disposal of hydraulic fracturing wastewater from unconventional oil and gas operations in the US occurs via injection wells. Key data gaps exist in understanding the potential impact of underground injection on surface water quality and environmental health. The goal of this study was to assess endocrine disrupting...

Kassotis, Christopher D.; Iwanowicz, Luke R. ; Akob, Denise M.; Cozzarelli, Isabelle M.; Mumford, Adam; Orem, William H.; Nagel, Susan C.
Kassotis, C.D., L.R. Iwanowicz, D.M. Akob, I.M. Cozzarelli, A.C. Mumford, W.H. Orem, and S.C. Nagel. 2016. Endocrine Disrupting Activities of Surface Water Associated with a West Virginia Oil and Gas Industry Wastewater Disposal Site. Science of the Total Environment, 557–558: 901–910.

Year Published: 2016

Wastewater disposal from unconventional oil and gas development degrades stream quality at a West Virginia injection facility

The development of unconventional oil and gas (UOG) resources has rapidly increased in recent years; however, the environmental impacts and risks are poorly understood. A single well can generate millions of liters of wastewater, representing a mixture of formation brine and injected hydraulic fracturing fluids. One of the most common methods for...

Akob, Denise M.; Mumford, Adam; Orem, William H.; Engle, Mark A.; Klinges, Julia (Grace); Kent, Douglas B.; Cozzarelli, Isabelle M.
Akob, D.M., A. Mumford, W. H. Orem, M. Engle, J.G. Klinges, D. B. Kent and I. M. Cozzarelli. Wastewater Disposal from Unconventional Oil and Gas Development Degrades Stream Quality at a West Virginia Injection Facility. Environmental Science and Technology, 50 (11): 5517–5525

Year Published: 2016

Clarifying beliefs underlying hunter intentions to support a ban on lead shot

Shot from hunting adds toxic lead to environments worldwide. Existing lead shot regulations have been instituted with little understanding of hunter beliefs and attitudes. This study applied the Theory of Reasoned Action, using a multilevel, multivariate approach, to clarify how positive and negative beliefs relate to attitudes about a ban on lead...

Schroeder, Susan A.; Fulton, David C.; Doncarlos, Kathy

Filter Total Items: 153
 Confluence of Cement Creek and the Animas River in Colorado
August 30, 2014

Confluence of Cement Creek and the Animas River in Colorado

Although the visual picture of mixing zones at stream confluences appears straightforward, such as this one at the confluence of Cement Creek and the Animas River in Colorado, the chemical reactions that occur make them extremely complex from a water-quality perspective.

cliff along Bull Run near Sudley Springs in Manassas National Battlefield Park, Virginia
August 24, 2014

Cliffs near Sudley Springs along Bull Run, Manassas Battlefield, VA

Vegetation grows on an east-facing cliff along Bull Run near Sudley Springs in Manassas National Battlefield Park, Virginia. The cliffs are islands of specialized habitat; they support plant species found nowhere else in the park, including locally uncommon or rare species.

Cliff along Bull Run, Virginia
August 22, 2014

Cliff along Bull Run in Manassas National Battlefield Park, Virginia

East-facing cliff approximately 30 meters downstream from Farm Ford along Bull Run in Manassas National Battlefield Park, Virginia.

 Dusty road conditions at Squaw Creek
July 23, 2014

Dusty road conditions at Squaw Creek in 2014

Dusty conditions prior to road treatment on the auto tour loop at Loess Bluffs National Wildlife Refuge (formerly Squaw Creek NWR) in July of 2014. Loess Bluffs was the site of a large-scale field test of two dust suppressant products, with monitoring of product performance and environmental safety. Photo Credit: Bethany K. Kunz, USGS.

USGS scientists collecting a water sample from a well at the USGS Bemidji Research Site
July 22, 2014

USGS Scientists Collecting a Water Sample from a Well at the USGS Bemidji Research Site

U.S. Geological Survey (USGS) scientists collecting a groundwater sample from a well at the USGS Bemidji Crude-Oil Spill Research Site, Minnesota. The scientists monitored in real time the dissolved oxygen, pH, specific conductance, and temperature of the water as the well is pumped so they can know when to collect representative sample.

USGS scientists collecting water-quality samples from shallow groundwater under Ashumet Pond
July 3, 2014

USGS Scientists Collecting Water-Quality Samples from Shallow Groundwater under Ashumet Pond

U.S. Geological Survey (USGS) scientists collecting water-quality samples from shallow groundwater under Ashumet Pond, Cape Cod, Massachusetts. The scientists collected the samples to understand importance of lake sediments in removal of cyanobacteria, viruses, and dissolved

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USGS scientist collecting water samples on a wastewater disposal facility
June 18, 2014

Scientist Collecting Water Samples at a Wastewater Disposal Facility

U.S. Geological Survey (USGS) scientist collecting water samples on a wastewater disposal facility in West Virginia to assess potential environmental impacts due to activities at the site. Shifts in the overall microbial community structure were present in stream sediments

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Scientist collects water samples and measurement at North Sylamore Cr
January 7, 2014

Scientist collects water samples and measurement at North Sylamore Cr

USGS scientist collects water samples and measures stream-water field parameters at North Sylamore Creek, Arkansas, on January 7, 2014. About 60 sample bottles are filled and shipped to USGS and U.S. Environmental Protection Agency laboratories across the Nation for chemical and biological analysis.

larval mussels
October 26, 2013

Larval Mussels

Recent advancements in assessments using early life stages of test organisms (like the larval mussels shown) provide robust alternatives to full life-cycle chronic ecotoxicity tests. For more information on aquatic toxicology test organisms refer to the U.S. Geological Survey (USGS

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Scientist Uses a Syringe to Withdraw Water from a Core
July 19, 2013

Scientist Uses a Syringe to Withdraw Water from a Core

To help understand the geochemical conditions that control arsenic mobilization in the subsurface a U.S. Geological Survey scientist uses a syringe to withdraw water from a core for analysis. The core sample was collected using the freezing drive shoe technology

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