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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
Middle Fork Saline River - Arkansas Map
Date Published: July 3, 2017

Middle Fork of the Saline River - Arkansas

Short Title: Middle Fork Study

Project Chief: William Baldwin

Cooperators: Hot Springs Village Property Owners Association, Arkansas Department of Environmental Quality, Arkansas Game and Fish Commission,Arkansas Naural Resources Commission, U.S. Bureau of Land Management, and U.S. Fish and Wildlife Service...

North Alluvial Aquifer Modeling Area Map - Arkansas
Date Published: July 3, 2017

Ground-Water Modeling Support - Arkansas

 

Short Title: North Ground-Water Model

Project Chief: Phillip Hays

Cooperators: Arkansas Natural Resources Commission

Project Time Frame: 2005 - present

Several counties in eastern and southern Arkansas have been designated Critical Ground-Water Areas (areas where alluvial aquifer...

Contacts: Phillip D Hays
Ozark Plateaus National Water-Quality Assessment (NAWQA) Program Map
Date Published: June 30, 2017

Ozark Plateaus National Water-Quality Assessment (NAWQA) Program

Short Title: Ozark Plateaus NAWQA

Project Chief: Billy Justus

Cooperator: U.S. Geological Survey National Water-Quality Assessment Program

Project Time Frame: 1991 - present

The Ozark Plateaus study unit is one of more than 50 study units that are part...

Contacts: Billy G Justus
Sediment Sampling Boat - Lower Mississippi Gulf - Photo
Date Published: June 30, 2017

Sediment Data Program

Short Title: Sediment Data Program

Project Chief: Dwight Lasker

Cooperator: U.S. Army Corps of Engineers - Memphis District

Project Time Frame: 1997 - present

Sediment concentrations and discharges in rivers and streams must be defined and monitored for effective water resource planning and water-...

Contacts: Alan D Lasker
Sparta Aquifer Recovery Project - Illustration - Arkansas
Date Published: June 30, 2017

Sparta Aquifer Recovery Project

Short Title: Sparta Recovery Project

Project Chief: Anna Nottmeier

Cooperators: Union County Water Conservation Board

Project Time Frame: 2002 - present

The Sparta aquifer is a confined aquifer of great regional importance and is a major water resource for municipal, industrial,...

Arkansas Current Water Conditions Image
Date Published: June 30, 2017

Surface-Water Data Program - Arkansas

 

Short Title: Surface-Water Data Program

Project Chief: William Baldwin

Cooperators: U.S. Army Corps of Engineers - Little Rock District, U.S. Army Corps of Engineers - Memphis District, U.S. Army Corps of Engineers - Vicksburg District, Arkansas Natural Resources Commission, Arkansas Geological...

Tri-State Ground-Water Modeling Illustration
Date Published: June 30, 2017

Tri-State Ground-Water Modeling

Short Title: Tri-State Ground-Water Model
Project Chief: Jonathan Gillip
Cooperators: Kansas Water Board
Project Time Frame: 2005 - present

To assess the effect that increased water use is having on the long-term availability of groundwater within the Ozark Plateaus aquifer system, a...

Groundwater Slug Test - Arkansas - Image
Date Published: June 29, 2017

Technical Assistance to the USDA - NRCS - National Water Management Center

The National Water Management Center (NWMC) serves as a production support center for the U.S. Department of Agriculture - Natural Resources Conservation Service (NRCS). The NWMC consists of an interdisciplinary, multi-agency team of national specialists helping implement water-related projects across the country.

Contacts: Aaron L Pugh
USGS employee sampling surface water and groundwater photo
Date Published: June 29, 2017

Arkansas Water-Quality Data Program

Short Title: QW Data Program

Project Chief: Dwight Lasker

Cooperators: U.S. Army Corps of Engineers - Little Rock District, U.S. Fish and Wildlife Service, Bureau of Land Management, Arkansas Natural Resources Commission, Arkansas Geological Survey, Arkansas Department of Environmental Quality, ...

Contacts: Alan D Lasker
Sprinkler irrigation
Date Published: June 29, 2017

Arkansas Water-Use Data Program

Short Title: Water-Use Data Program
Project Chief: Drew Westerman
Cooperators: Arkansas Naural Resources Commission
Project Time Frame: 1985 - present

Every 5 years since 1950, the USGS has conducted an inventory of water use in the United States. In 1978...

Arkansas Well Log Archive Database Illustration
Date Published: June 29, 2017

Arkansas Well Log Archive Database

 

Short Title: Well Log Database
Project Chief: Drew Westerman
Cooperators: Arkansas Naural Resources Commission
Project Time Frame: 2005 - present

Arkansas water regulations require metering on ground-water withdrawals for all sustaining aquifers named by the Arkansas Natural Resources Commission...

Tennessee Water Quality Sampling Photo
Date Published: June 26, 2017

National Water-Quality Assessment Program (NAWQA) in Tennessee

National Water Quality Assessment Program (NAWQA) in Tennessee

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.

USGS National Water Data Portal
Filter Total Items: 34
Arkansas Northern Lonoke County Groundwater Network Map
July 7, 2017

To see the map and site information for the Arkansas Northern Lonoke County Groundwater Network click here.

Hot Springs National Park Groundwater Network - Arkansas Map
July 7, 2017

Use this interactive map to see information on the Arkansas Hot Springs National Park Groundwater Network. To see the map click here.

Arkansas Natural Resources Commission Groundwater Network Map
July 7, 2017

To see the map of the Arkansas Natural Resources Commission Groundwater Network wells click here.

Groundwater Watch - Arkansas Map
July 7, 2017

Use this interactive map to see information for the Arkansas Active Water Level Network. To see the map click here.

USGS: Science for a changing world
July 7, 2017

To get rating curve retrievals for the state of Arkansas click here.

Buffalo National River - National Park Service Photo - Arkansas
July 5, 2017

This interactive map will show real time current floating conditions for the Buffalo National River in Arkansas. You can also see information on camping, picnic areas, boat launch sites, trails and concessionaires. To view the map click here.

Field Guide to the Nonindigenous Marine Fishes of Florida publication cover
January 30, 2017

The purpose of this field guide is to provide information on nonindigenous (i.e., non-native) fishes that have been observed in Florida’s marine waters.

Tennessee Current Water Conditions Image
November 29, 2016

See Current Water Conditions for Tennessee using our new interactive map. Here you can find information on Groundwater, Surface Water and Water Quality.

Louisiana Current Water Conditions Image
November 29, 2016

See Current Water Conditions for Louisiana using our new interactive map. Here you can find information on Groundwater, Surface Water and Water Quality.

Mississippi Current Water Conditions Image
November 29, 2016

See Current Water Conditions for Mississippi using our new interactive map. Here you can find information on Groundwater, Surface Water and Water Quality.

Alabama Current Water Conditions Image
November 29, 2016

See Current Water Conditions for Alabama using our new interactive map. Here you can find information on Groundwater, Surface Water and Water Quality. 

Filter Total Items: 3,036
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Year Published: 2019

Ligation and division of ductus deferens does not produce long term sterility in most bighead carp or grass carp

Invading species are most easily eradicated or controlled if detected early and rapid action can be taken, but locating and eradicating small numbers of aquatic invaders is extremely difficult. Bighead carp (Hypophthalmichthys nobilis) and grass carp (Ctenopharyngodon idella) are Asian cyprinids that have been widely introduced and are considered...

Chapman, Duane C.; Milardi, Marco; Mann, F. Anthony

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Year Published: 2019

Bisphenol A and 17 alpha-ethinylestradiol-induced transgenerational differences in expression of osmoregulatory genes in the gill of medaka (Oryzias latipes)

Embryonic bisphenol A (BPA) and 17α-ethinylestradiol (EE2) exposure can have far reaching health effects in fish, including adult onset transgenerational reproductive abnormalities, anxiety, and cardiac disorders. It is unknown whether these two environmental estrogens can induce transgenerational abnormalities in the gill. The present study...

Wang, Xuegeng; Hill, Diamond; Tillitt, Donald E.; Bhandari, Ramji K.

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Year Published: 2019

Lotic freshwater: Rivers

Ecosystems associated with rivers are intricately connected to their entire watershed. The river ecosystem includes the channel of active water flow, floodplain, and riparian and hyporheic zones. This ecosystem is shaped by interactions among the natural flow of water, sediments within the river and entering the river, and large wood regimes...

Wohl, Ellen; Hall, Jr.; Walters, David
Wohl, E., Hall, R.O., and Walters, D.M., 2019, Lotic Freshwater: in: Rivers, Reference Module in Earth Systems and Environmental Sciences: Amsterdam, Elsevier, at: https://doi.org/10.1016/B978-0-12-409548-9.11808-1

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Year Published: 2019

Biological effects of elevated major ions in surface water contaminated by a produced water from oil production

Produced water (PW) from oil and gas extraction processes has been shown to contain elevated concentrations of major ions. The objective of this study was to determine the potential effects of elevated major ions in PW-contaminated surface water on a fish (fathead minnow, Pimephales promelas) and a unionid mussel (fatmucket, Lampsilis siliquoidea...

Wang, Ning; Kunz, James L.; Cleveland, Danielle; Steevens, Jeffery; Cozzarelli, Isabelle M.

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Year Published: 2019

Adjudicating groundwater: A judge’s guide to understanding groundwater and modeling

Dividing the Waters offers this groundwater science bench book that cannot be matched by any other scientific or judicial publication.  Adjudicating Groundwater combines the expertise and experience of academic scientists (UC Davis/Stanford), federal scientists (U.S. Geological Survey), and judicial officers to create a...

Brandt, Alf; Fienen, Michael N.; White, Jeremy; Harter, Thomas; Moran, Tara; Wildman, Eric

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Year Published: 2019

Preferential groundwater seepage in karst terrane inferred from geoelectric measurements

The Ellenburger–San Saba aquifer discharges spring flows into the overlying Hamilton Creek bed in Burnet County, central Texas. The aquifer is susceptible to contamination from surface‐water reservoirs because of the presence of dissolution cavities that are hydraulically connected to the reservoirs in some locations. There is concern that...

Ikard, Scott; Pease, Emily

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Year Published: 2019

Behavioral effects of copper on larval white sturgeon

Early–life stage white sturgeon are sensitive to copper (Cu), with adverse behavioral responses observed during previous studies. The objectives of the present study were to quantify the effects of Cu exposure on white sturgeon swimming and feeding behaviors and determine their time to response. Larval sturgeon (1–2, 28, or 35 d posthatch [dph])...

Puglis, Holly J.; Calfee, Robin D.; Little, Edward E.

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Year Published: 2019

Polychlorinated biphenyl tissue‐concentration thresholds for survival, growth, and reproduction in fish

Polychlorinated biphenyls (PCBs) have left a legacy of environmental contamination. Even though they were banned from production and active use in the 1970s, they persist in the environment and still have the potential to impact aquatic life. Our objective was to identify data from controlled laboratory studies of PCB‐related adverse effects in...

Berninger, Jason P.; Tillitt, Donald E.

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Year Published: 2019

Pulsed salmonfly emergence and its potential contribution to terrestrial detrital pools

Adult aquatic insects are a globally important subsidy in terrestrial food webs. However, our understanding of their importance is largely limited to studies that measure predation of live insects by terrestrial predators. Yet the flux of adult aquatic insects to terrestrial detrital pools may also be an important...

Wesner, Jeff; Walters, David; Zuellig, Robert E.

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Year Published: 2019

Potential responses of the Lower Missouri River Shovelnose Sturgeon (Scaphirhynchus platorynchus) population to a commercial fishing ban

We developed an age‐structured population matrix model to perform population viability analysis for Lower Missouri River (LMR) shovelnose sturgeon (Scaphirhynchus platorynchus). We investigated potential effects of the commercial fishing moratorium put in place to help protect the similar‐appearing pallid sturgeon (S. albus). The model applies...

Green, Nicholas S.; Wildhaber, Mark L.; Albers, Janice L.
Green, N.S., Wildhaber, M.L., and Albers, J.L., 2018, Potential responses of the Lower Missouri River Shovelnose Sturgeon (Scaphirhynchus platorynchus) population to a commercial fishing ban, Journal of Applied Ichthyology, Online First, 20 May 2018

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Year Published: 2019

Assessment of chronic low‐dose elemental and radiological exposures of biota at the Kanab North uranium mine site in the Grand Canyon watershed

High‐grade U ore deposits are in various stages of exploitation across the Grand Canyon watershed, yet the effects of U mining on ecological and cultural resources are largely unknown. We characterized the concentrations of Al, As, Bi, Cd, Co, Cu, Fe, Pb, Hg, Mo, Ni, Se, Ag, Tl, Th, U, and Zn, gross alpha and beta activities, and U and Th...

Cleveland, Danielle; Hinck, Jo Ellen; Lankton, Julia S.

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Year Published: 2018

Interior Least Tern sandbar nesting habitat measurements from Landsat Thematic Mapper imagery

Sandbars of large sand-bedded rivers of the central United States serve important ecological functions to many species, including the endangered Interior Least Tern (Sternula antillarum, ILT). The ILT is a colonial bird that feeds on fish and nests primarily on riverine sandbars during its annual breeding season of around May through July,...

Bulliner, Edward A.; Elliott, Caroline M.; Jacobson, Robert B.; Lott, Casey
Bulliner, E.A., Elliott, C.M., Jacobson, R.B., and Lott, C., 2018, Interior Least Tern sandbar nesting habitat measurements from Landsat Thematic Mapper imagery: U.S. Geological Survey Data Series 1098, 32 p., https://doi. org/10.3133/ds1098.

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Map shows early wetland losses in red, recent losses in purple
July 10, 2017

Map shows early wetland losses in red, recent losses in purple

This map shows the historic trend in wetland losses, with early losses in red and the most recent ones in purple.

A female scientists overlooks swimming chambers for pallid sturgeon
June 30, 2017

Preparing Swim Chambers

A biological science technician prepares the swim chambers to assess the swimming abilities of young pallid sturgeon.

USGS truck and a scientist standing next to it with boat in tow.
June 30, 2017

Montana Bound

A USGS scientist inventories his equipment at the Columbia Environmental Research Center before embarking on the trip to Montana for fieldwork.

Woman leaning over collecting sturgeon free embryos outside
June 30, 2017

Collecting Sturgeon Free Embryos

A biological science technician collects pallid sturgeon free embryos from the sampling nets in the experimental streams at the Columbia Environmental Research Center.

Distant view of sandy beach stretching from bottom left to upper right of photo
June 20, 2017

“Snapshot” or first frame of beach video, Madeira Beach, Florida

Snapshot, or first frame of from a 17-minute video shot on June 20, 2017, in Madeira Beach, Florida. Researchers at the USGS are using these and other video images to improve understanding and computer modeling of beach processes, especially those that change the coast. See also, a 

...
Distant view of sandy beach stretching from bottom left to upper right of photo.
June 20, 2017

Time-averaged image from video of beach in Madeira Beach, Florida

Time-averaged image, or “timex,” created by averaging the intensity of light recorded at each spot, or “pixel,” during a 17-minute video taken at Madeira Beach, Florida, on June 20, 2017. Blurred white bands show where waves are breaking. Offshore band shows location of a sand bar. Line between wet and dry sand shows the maximum height on the beach reached by the waves (“

...
Image in mostly black and gray tones showing distant view of beach stretching from bottom left to upper right of photo.
June 20, 2017

Variance image from video of beach in Madeira Beach, Florida

“Variance” image produced from video shot at Madeira Beach, Florida, on June 20, 2017. The more the light intensity changes at a given spot, or “pixel,” during the video, the brighter the value assigned to that pixel. Motion tends to produce changes in light intensity. Note bright bands parallel to shore where waves were breaking. Researchers are using these and other

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Piles of seaweed fragments on sand beach. Low sand cliff on left with broken walkway. Multistory buildings, clouds in distance.
June 7, 2017

Sunset Beach in St. Pete Beach, Florida, after Tropical Storm Colin

Photograph taken June 7, 2016, one day after Tropical Storm Colin, on Sunset Beach in the town of St. Pete Beach, Florida. Storm waves eroded the beach and dune, producing a cliff-like feature called a beach scarp.

Sandy beach with white foamy water on right, low grassy dunes on left. Multistory building in distance. Dark-gray cloudy sky.
June 6, 2017

Sunset Beach in St. Pete Beach, Florida, during Tropical Storm Colin

Photograph taken during Tropical Storm Colin, June 6, 2016, on Sunset Beach in the town of St. Pete Beach, Florida.

Phragmites under stress in Pass A Loutre, Louisiana
May 31, 2017

High stakes, big questions in marsh grass die-back

Brown patches and brown stems show stress in this phagmites (roseau cane) stand in Pass A Loutre Wildlife Management Area, a tract of state-owned land in Louisiana's bird foot delta, where the Mississippi River meets the Gulf of Mexico. An ongoing phragmites was first discovered in spring 2017 and blamed on an invasive scale insect from Asia. But a new USGS report, based

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Scientist holding a laptop and equipment, standing in a green field.
April 30, 2017

Assessing Tallgrass Coastal Prairie in Southwest Louisiana

Vegetation assessments are part of an effort to produce seamless, consistent, and high resolution landcover data for the northern portion of the western gulf coastal plain. This geography was once dominated by tallgrass prairie and has undergone dramatic change with less than 1% of this natural habitat in existence.

Tallgrass prairie provides a suite of ecosystem

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Female scientist looking through microscope.
April 30, 2017

Examining Pallid Sturgeon Eggs

Biological science aid, Marlee Malmborg, examines and records the viability of pallid sturgeon eggs at the Columbia Environmental Research Center.

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USGS scientist David Rodriguez records high water marks from storm surge following Harvey near Corpus Christi, Texas. 
September 8, 2017

Editor’s note: this news release will be updated online with more information on the streamgage records being set in Texas as it becomes available.

Rivers and streams reached record levels as a result of Hurricane Harvey’s rainfall, with about 40 U.S. Geological Survey streamgages measuring record peaks.

Satellite captured image of the rapidly intensifying storm, Harvey
September 8, 2017

As Harvey’s record breaking rainfall and catastrophic flood waters recede in Texas and western Louisiana, U.S. Geological Survey teams are collecting high water marks, monitoring water levels and coastal change, retrieving storm tide sensors and collecting samples for water quality analysis.

Preparing to measure Irma's storm surge in Puerto Rico
September 6, 2017

 To learn more about USGS’ role providing science to decision makers before, during and after Hurricane Irma, visit the USGS Hurricane Irma page.

Sensor deployment
September 6, 2017

To learn more about USGS’ role providing science to decision makers before, during and after Hurricane Irma, visit the USGS Hurricane Irma page.

Storm-tide sensor installed to a concrete post in Puerto Rico prio to Hurricane Irma.
September 5, 2017

To learn more about USGS’ role providing science to decision makers before, during and after Hurricane Irma, visit the USGS Hurricane Irma page.

A USGS crew prepares to measure Hurricane Harvey floodwaters off of a bridge.
August 29, 2017

Reporters: Do you want to interview USGS scientists as they measure flooding? Please contact Jennifer LaVista or Lynne Fahlquist. 

U.S. Geological Survey field crews are measuring record flooding in parts of south-central Texas following intense rainfall from Tropical Storm Harvey.

A USGS crew prepares to measure Hurricane Harvey floodwaters off of a bridge.
August 29, 2017

Reporters: Do you want to interview USGS scientists as they measure flooding? Please contact Jennifer LaVista or Lynne Fahlquist. 

U.S. Geological Survey field crews are measuring record flooding in parts of south-central Texas following intense rainfall from Tropical Storm Harvey.

Satellite captured image of the rapidly intensifying storm, Harvey
August 25, 2017

To learn more about USGS’ role providing science to decision makers before, during and after Hurricane Harvey, visit the USGS Hurricane Harvey page.

Satellite image of Hurricane Harvey
August 24, 2017

To learn more about USGS’ role providing science to decision makers before, during and after Hurricane Harvey, visit the USGS Hurricane Harvey page.

Storm-tide sensors are being installed at key locations along the Texas Gulf Coast by the U.S. Geological Survey in advance of Hurricane Harvey.

USGS: Science for a changing world
August 23, 2017

A non-native insect infestation may not be the only factor involved in the ongoing die-back of a marsh grass in the Mississippi River’s “bird foot delta,” the ecologically and economically important part of coastal Louisiana where the river meets the Gulf of Mexico.

House damage in central Oklahoma from a magnitude 5.6 earthquake in 2011
August 11, 2017

Editor:  In the public interest and in accordance with Federal Aviation Administration regulations, the USGS is announcing this low-level airborne project.  Your assistance in informing the local communities is appreciated.

This image demonstrates how the USGS Search API can be used to show the suggested locations appearing in the menu on the map
July 26, 2017

The U.S. Geological Survey Search API is a custom JavaScript library useful for creating a location search widget in a webpage, typically in conjunction with a web map. The widget connects to a database created for the API, or Application-Programming Interface, to quickly find and suggest locations as the user enters text to navigate to areas of interest. 

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