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Filter Total Items: 1,335
Effects of salt pond restoration on benthic flux: Sediment as a source of nutrients to the water column
Year Published: 2016

Effects of salt pond restoration on benthic flux: Sediment as a source of nutrients to the water column

Understanding nutrient flux between the benthos and the overlying water (benthic flux) is critical to restoration of water quality and biological resources because it can represent a major source of nutrients to the water column. Extensive water management commenced in the San Francisco Bay, Beginning around 1850, San Francisco Bay wetlands were...

Topping, Brent R.; Kuwabara, James S.; Carter, James L.; Garrettt, Krista K.; Mruz, Eric; Piotter, Sarah; Takekawa, John
Topping, B., Kuwabara, J.,, Carter, J., Garrett, K., Mruz, E., Piotter, S., and Takekawa, J., 2016, Effects of Salt Pond Restoration on Benthic Flux: Sediment as a Source of Nutrients to the Water Column: Journal of Environmental Protection, 7, 1064-1071. http://dx.doi.org/10.4236/jep.2016.77095
Biological low pH Mn(II) oxidation in a manganese deposit influenced by metal-rich groundwater
Year Published: 2016

Biological low pH Mn(II) oxidation in a manganese deposit influenced by metal-rich groundwater

The mechanisms, key organisms, and geochemical significance of biological low-pH Mn(II) oxidation are largely unexplored. Here, we investigated the structure of indigenous Mn(II)-oxidizing microbial communities in a secondary subsurface Mn oxide deposit influenced by acidic (pH 4.8) metal-rich groundwater in a former uranium mining area. Microbial...

Bohu, Tsing; Akob, Denise M.; Abratis, Michael; Lazar, Cassandre S.; Küsel, Kirsten
Bohu, T., D.M. Akob, M. Abratis, C.S. Lazar, and K. Küsel. 2016. Biological low pH Mn(II) oxidation in a manganese deposit influenced by acidic heavy metal-rich groundwater. Applied and Environmental Microbiology, 82 (10): 3009 –3021.
Endocrine disrupting activities of surface water associated with a West Virginia oil and gas industry wastewater disposal site
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; 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.
Wastewater disposal from unconventional oil and gas development degrades stream quality at a West Virginia injection facility
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
Comparison of geochemical data obtained using four brine sampling methods at the SECARB Phase III Anthropogenic Test CO2 injection site, Citronelle Oil Field, Alabama
Year Published: 2016

Comparison of geochemical data obtained using four brine sampling methods at the SECARB Phase III Anthropogenic Test CO2 injection site, Citronelle Oil Field, Alabama

The chemical composition of formation water and associated gases from the lower Cretaceous Paluxy Formation was determined using four different sampling methods at a characterization well in the Citronelle Oil Field, Alabama, as part of the Southeast Regional Carbon Sequestration Partnership (SECARB) Phase III Anthropogenic Test, which is an...

Conaway, Christopher; Thordsen, James J.; Manning, Michael A.; Cook, Paul J.; Trautz, Robert C.; Thomas, Burt; Kharaka, Yousif K.
Conaway, C.H., Thordsen, J.J., Manning, M.A., Cook, P.J., Trautz, R.C., Thomas, B., Kharaka, Y.K. (2016) Comparison of geochemical data obtained using four brine sampling methods at the SECARB Phase III Anthropogenic Test CO2 injection site, Citronelle Oil Field, Alabama, International Journal of Coal Geology 162:85-95, http://dx.doi.org/10.1016/j.coal.2016.06.001.
Flood-Inundation Maps for Sugar Creek at Crawfordsville, Indiana
Year Published: 2016

Flood-Inundation Maps for Sugar Creek at Crawfordsville, Indiana

Digital flood-inundation maps for a 6.5-mile reach of Sugar Creek at Crawfordsville, Indiana, were created by the U.S. Geological Survey (USGS) in cooperation with the Indiana Office of Community and Rural Affairs. The flood-inundation maps, which can be accessed through the USGS Flood Inundation Mapping Science Web site at http://water.usgs.gov/...

Martin, Zachary W.
Martin, Z.W., 2016, Flood-inundation maps for Sugar Creek at Crawfordsville, Indiana: U.S. Geological Survey Scientific Investigations Report 2016–5043, 11 p., http://dx.doi.org/10.3133/sir20165043.
Groundwater quality from private domestic water-supply wells in the vicinity of petroleum production in southwestern Indiana
Year Published: 2016

Groundwater quality from private domestic water-supply wells in the vicinity of petroleum production in southwestern Indiana

The U.S. Geological Survey provided technical support to the Agency for Toxic Substances and Disease Registry for site selection and sample collection and analysis in a 2012 investigation of groundwater quality from 29 private domestic water-supply wells in the vicinity of petroleum production in southwestern Indiana.

Risch, Martin R.; Silcox, Cheryl A.
Risch, M.R., and Silcox, C.A., 2016, Groundwater quality from private domestic water-supply wells in the vicinity of petroleum production in southwestern Indiana: U.S. Geological Survey Open-File Report 2016–1081, 29 p., http://dx.doi.org/10.3133/ofr20161081.
Methylmercury degradation and exposure pathways in streams and wetlands impacted by historical mining
Year Published: 2016

Methylmercury degradation and exposure pathways in streams and wetlands impacted by historical mining

Monomethyl mercury (MMHg) and total mercury (THg) concentrations and Hg stable isotope ratios (δ202Hg and Δ199Hg) were measured in sediment and aquatic organisms from Cache Creek (California Coast Range) and Yolo Bypass (Sacramento Valley). Cache Creek sediment had a large range in THg (87 to 3870 ng/g) and δ202Hg (−1.69 to −0.20‰) reflecting the...

Donovan, Patrick M.; Blum, Joel D.; Singer, Michael B.; Marvin-DiPasquale, Mark C.; Tsui, Martin T.K.
Methane and sulfate dynamics in sediments from mangrove-dominated tropical coastal lagoons, Yucatan, Mexico
Year Published: 2016

Methane and sulfate dynamics in sediments from mangrove-dominated tropical coastal lagoons, Yucatan, Mexico

Porewater profiles in sediment cores from mangrove-dominated coastal lagoons (Celestún and Chelem) on the Yucatán Peninsula, Mexico, reveal the widespread coexistence of dissolved methane and sulfate. This observation is interesting since dissolved methane in porewaters is typically oxidized anaerobically by sulfate. To explain the observations we...

Chuang, P. C.; Young, Megan B.; Dale, Andrew W.; Miller, Laurence G.; Herrera-Silveira, Jorge A.; Paytan, Adina
Chuang, P-C., Young, M.B, Dale, A.W., Miller, L.G., Herrera-Silveira, J.A., Paytan, A., 2016, Methane and sulfate dynamics in sediments from mangrove-dominated tropical coastal lagoons, Yucatan, Mexico: Biogeosciences, 13, 2981-3001, http://dx.doi.org/10.5194/bg-13-2981-2016
Regional oxygen reduction and denitrification rates in groundwater from multi-model residence time distributions, San Joaquin Valley, USA
Year Published: 2016

Regional oxygen reduction and denitrification rates in groundwater from multi-model residence time distributions, San Joaquin Valley, USA

Rates of oxygen and nitrate reduction are key factors in determining the chemical evolution of groundwater. Little is known about how these rates vary and covary in regional groundwater settings, as few studies have focused on regional datasets with multiple tracers and methods of analysis that account for effects of mixed residence times on...

Green, Christopher T.; Jurgens, Bryant; Zhang, Yong; Starn, Jeffrey; Singleton, Michael J.; Esser, Bradley K.
Preface: Land subsidence processes
Year Published: 2016

Preface: Land subsidence processes

No abstract available.

Galloway, Devin L.; Erkens, Gilles; Kuniansky, Eve L.; Rowland, Joel C.
Galloway, D.L., Erkens, G., Kuniansky, E.L. and Rowland, J.C., 2016, Preface: Land subsidence processes: Hydrogeology Journal 24(3), pp 547-550, DOI 10.1007/s10040-016-1386-y.
Effect of cysteine and humic acids on bioavailability of Ag from Ag nanoparticles to a freshwater snail
Year Published: 2016

Effect of cysteine and humic acids on bioavailability of Ag from Ag nanoparticles to a freshwater snail

Metal-based engineered nanoparticles (NPs) will undergo transformations that will affect their bioavailability, toxicity and ecological risk when released to the environment, including interactions with dissolved organic material. The purpose of this paper is to determine how interactions with two different types of organic material affect the...

Luoma, Samuel N.; Tasha StoiberCroteau, Marie-Noele; Isabelle RomerRuth MerrifeildJamie Le
Luoma SN, Stoiber T, Croteau MN, Römer I, Merrifield R, Lead JR. 2016. Effect of cysteine and humic acids on bioavailability of Ag from Ag nanoparticles to a freshwater snail. NanoImpact 2: 61-69, http://dx.doi.org/10.1016/j.impact.2016.06.006

The USGS produces many types of multimedia products. Use the links below to browse our offerings of photograph galleries, podcasts and sound files, videos, aerial photos, and posters related to water. The USGS Newsroom has a Web page that highlights the main collection of multimedia products.

Filter Total Items: 636
رحلة المياه للاطفال   (The Water Cycle for Schools, Persian)
July 8, 2016
رحلة الماء ربما تظن أن المياه التي تشربها أو أن الامطار التي تراها هي مياه جديده لم تتواجد من قبل... لكن الحقيقه مختلفه تماما... انها هنا منذ الازل.. تدور في رحلة المياه. http://water.usgs.gov/edu/watercycle-kids-persian.html Learn About Water! The U.S. Geological Survey (USGS) and the Food and Agriculture Organization of the United Nations (FAO) have teamed up to create a water-cycle diagram for...
Photo showing the Great Basin area
June 2016 (approx.)
The Great Basin area in the northern Snake Range near the Utah/Nevada boarder.
Photo showing the Great Basin area
June 2016 (approx.)
The Great Basin area in the northern Snake Range near the Utah/Nevada boarder.
Photo showing the Great Basin area
June 2016 (approx.)
The Great Basin area in the northern Snake Range near the Utah/Nevada boarder.
Tree in the Great Basin range
June 2016 (approx.)
The Great Basin area in the northern Snake Range near the Utah/Nevada boarder.
Photo showing the Great Basin area
June 2016 (approx.)
The Great Basin area in the northern Snake Range near the Utah/Nevada boarder.
 Le Cycle de l'Eau pour les Enfants (Diagram of The Water Cycle for Schools - French)
June 30, 2016
Le Cycle de l'Eau pour les Enfants L'organisation de la Surveillance Géologique des Etats-Unis (USGS) et l'Organisation de l'Alimentation et de l'Agriculture des Nations Unies (FAO) se sont associées pour élaborer un diagramme du cycle de l'eau pour les enfants des écoles primaires et des collèges. http://water.usgs.gov/edu/watercycle-kids-french.html http://water.usgs.gov/edu/watercyclefrench...
El Ciclo de Agua Para Niños (Diagram of The Water Cycle for Schools - Spanish)
June 20, 2016
El Ciclo de Agua Para Niños El Servicio Geológico de los Estados Unidos (USGS por sus siglas en inglés) y la Organización de Alimento y Agricultura de las Naciones Unidas (FAO) han colaborado en la creación de un diagrama sobre el ciclo del agua para niños de las escuelas elementales e intermedias. http://water.usgs.gov/edu/watercycle-kids-spanish.html http://water.usgs.gov/edu/watercyclespanish...
2 people working with water quality equipment
June 13, 2016
USGS hydrologists Irene Fisher and Michael Como sample water quality on Long Island.
Photo showing an irrigation system watering crops in southern Wisconsin.
2016 (approx.)
An irrigation system waters crops in southern Wisconsin. A new USGS report shows that drought periods followed by rainfall caused nitrate levels to increase to the highest ever measured in some Midwest streams during a 2013 study.
Photo showing a corn farm in northeast Iowa.
2016 (approx.)
A corn farm in northeast Iowa. A new USGS report shows that drought periods followed by rainfall caused nitrate levels to increase to the highest ever measured in some Midwest streams during a 2013 study.
Photo showing a small stream flowing through corn fields in northern Indiana.
2016 (approx.)
A small stream flows through corn fields in northern Indiana. A new USGS report shows that drought periods followed by rainfall caused nitrate levels to increase to the highest ever measured in some Midwest streams during a 2013 study.
Filter Total Items: 292
USGS scientists use a boat and geophysical equipment to record geological and hydrological conditions in a coastal embayment.
July 12, 2016

New USGS study highlights Cape Cod's risk to rising sea levels

USGS logo
July 11, 2016

On Wednesday, July 13, USGS will release a nationwide study that ranks states’ potential for having corrosive groundwater.

USGS logo
June 27, 2016

These interactive, mobile-friendly websites use maps of beach locations to indicate whether or not estimated bacteria levels exceed state safety standards. 

Image shows a harvested field in the Upper Mississippi River Basin.
June 22, 2016

USGS-USDA Modeling Research Show Up to 34% Reduction in Nitrogen from Agricultural Conservation Practices

USGS logo
June 21, 2016

A new report about how groundwater quality and quantity has changed in and around Gaines, Terry and Yoakum counties, Texas is now available from the U.S. Geological Survey.

Permafrost area, Beaver Creek, Alaska.
June 20, 2016

The thawing of the planet’s permafrost is replumbing arctic environments, creating several hydrologic consequences and possibly some opportunities according to a new study published in Vadose Zone.

USGS: Science for a changing world
June 17, 2016

Science diplomacy is the use of collaborations among nations to address common scientific problems and to build constructive international partnerships. Researchers with the U.S. Geological Survey in Denver, Colorado recently used the science diplomacy tactic to initiate a ground-breaking international collaboration with the Nation of Cuba. 

USGS logo
June 17, 2016

Virginia Beach residents and local emergency managers have a new tool to monitor storm tides and flooding this hurricane season with the installation of 10 new tide gauges by the U.S. Geological Survey.

New USGS streamgage on Bee Hunter Ditch in Linton, Indiana.
June 16, 2016

A new streamgage recently installed by the U.S. Geological Survey in the city of Linton, Indiana, will provide continuous, real-time streamflow and water level data in an area that has demonstrated a need for reliable flood warning and flood-related data.  

Image shows scour damage beneath a bridge
June 11, 2016

We’ve scoured the Earth to bring you this week’s EarthWord...

Satellite image of the Gulf of Mexico and coastline, Gulf Hypoxic Zone
June 9, 2016

Outlook incorporates multiple hypoxia models for the second year