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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
West Indian manatees
Date Published: October 21, 2016

Demographic and Population Models to Assess Recovery and Status of the Endangered Florida Manatee

Population models developed by USGS are the primary decision-support tools used for status assessments, and rely on estimates of adult survival and reproduction rates from mark-recapture studies.

Florida Manatee with a tracking devise attached
Date Published: October 16, 2016

Modeling Past Variation in Florida Manatee Survival, Breeding, and Movements Rates to Establish Baselines for Aquatic Ecosystem and Restoration Research

Long-term monitoring data in the Manatee Individual Photo-identification System (MIPS), developed and coordinated by WARC-Sirenia Project in collaboration with Florida’s Fish and Wildlife Research Institute and Mote Marine Laboratory, are the basis for modeling manatee demography rates.

West Indian Manatee Population Genetics
Date Published: October 14, 2016

West Indian Manatee Population Genetics

Nuclear microsatellite markers have been developed and implemented on ~2,000 West Indian manatees. These markers provide individual genetic fingerprints for mark-recapture studies, population structure information for the conservation of unique or isolated populations, and pedigree and relatedness information for addressing inbreeding and breeding structure patterns.

Research diver and manatees - WARC
Date Published: October 10, 2016
Status: Active

Manatee Photo ID as a Tool for Research: The Manatee Individual Photo-Identification System (MIPS)

Since 1978, USGS scientists have photo-documented manatees in the Southeast United States. Now, more than 3,000 manatees can be found in the MIPS database.

Florida manatee population uses warm-water discharges from power plants during winter
Date Published: October 5, 2016

Structured Decision Making for Management of Warm-Water Habitat of Manatees

Manatees are tropical to subtropical in distribution and, with few exceptions, Florida is the northern limit of their natural winter range.  The availability of warm-water habitat during winter is critical for the future persistence of the population in Florida.

Photo identification of manatees
Date Published: October 3, 2016

Manatee Distribution and Habitat Use in the Northern Gulf of Mexico

USGS works with partners to assess manatee distribution and habitat use throughout the Northern Gulf of Mexico.

Contacts: James Reid
Louisiana
Date Published: September 29, 2016
Status: Active

Structure maps of the Carrizo-Wilcox aquifer in northwestern Louisiana

Groundwater resources in northwestern Louisiana may be needed for development of natural gas production from the Haynesville Shale. Use of groundwater for hydro-fracturing of the shale may lower water levels and alter groundwater flow directions in the Carrizo-Wilcox aquifer and other local aquifers. Regional maps of aquifers in northwestern Louisiana are unavailable. The LaWSC, in cooperation...

Freshwater withdrawals and population in Alabama, 1960-2005
Date Published: September 28, 2016
Status: Active

Water Use Trends in Alabama

Since 1950 when the U.S. Geological Survey (USGS) first conducted water-use compilations, important changes in water use have occurred in Alabama. The early part of the history (1950 to 1980) showed a steady increase in water use. During this time, the expectation was that, as the population increased, so would water use. Contrary to this expectation, reported water withdrawals declined in...

Hurricane Potential in the United States and Puerto Rico
Date Published: September 26, 2016

Hurricane Information

Hurricanes bring destructive winds, storm surge, torrential rain, flooding, and tornadoes. A single storm can wreak havoc on coastal and inland communities and on natural areas over thousands of square miles. In 2005, Hurricanes Katrina, Rita, and Wilma demonstrated the devastation that hurricanes can inflict and the importance of hurricane hazards research and preparedness.

More than...

Lower Tennessee River (LTEN) Basin Study
Date Published: September 26, 2016
Status: Active

Lower Tennessee River (LTEN) Basin Study

Welcome....the Lower Tennessee River Basin in Tennessee, Alabama, Georgia, Kentucky, and Mississippi is one of the 59 study units that are part of the U.S. Geological Survey's National Water-Quality Assessment (NAWQA) Program.The long-term goals of this program are to describe the status and trends in the quality of a large, representative part of the Nation's surface- and ground-water...

Mobile River Basin Study
Date Published: September 22, 2016
Status: Active

Mobile River Basin Study

The Mobile River Basin in Alabama, Georgia, Mississippi, and Tennessee is one of the 59 study units that are part of the U.S. Geological Survey's National Water-Quality Assessment (NAWQA) Program. The long-term goals of this program are to describe the status and trends in the quality of a large, representative part of the Nation's surface- and ground-water resources, and to provide a sound,...

Metro Nashville Flood Monitoring Project
Date Published: September 19, 2016

Metro Nashville Flood Monitoring Project

Metro Nashville Flood Monitoring Project-This project monitors the Cumberland River and it's tributaries around the Nashville Metro Area. 

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Year Published: 2018

Phytoforensics: Trees as bioindicators of potential indoor exposure via vapor intrusion

Human exposure to volatile organic compounds (VOCs) via vapor intrusion (VI) is an emerging public health concern with notable detrimental impacts on public health. Phytoforensics, plant sampling to semi-quantitatively delineate subsurface contamination, provides a potential non-invasive screening approach to detect VI potential, and plant...

Wilson, Jordan L.; Samaranayake, V.A.; Limmer, Matthew A.; Burken, Joel G.
Wilson, J.L., Samaranayake, V.A., Limmer, M.A., Burken, J.G. 2018. Phytoforensics: trees as bioindicators of potential indoor exposure via vapor intrusion. PlosONE, v. 13, no. 2. DOI: 10.1371/journal.pone.0193247.

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Year Published: 2018

Stream-channel and watershed delineations and basin-characteristic measurements using lidar elevation data for small drainage basins within the Des Moines Lobe landform region in Iowa

Basin-characteristic measurements related to stream length, stream slope, stream density, and stream order have been identified as significant variables for estimation of flood, flow-duration, and low-flow discharges in Iowa. The placement of channel initiation points, however, has always been a matter of individual interpretation, leading to...

Eash, David A.; Barnes, Kimberlee K.; O'Shea, Padraic S.; Gelder, Brian K.
Eash, D.A., Barnes, K.K., O’Shea, P.S., and Gelder, B.K., 2018, Stream-channel and watershed delineations and basin-characteristic measurements using lidar elevation data for small drainage basins within the Des Moines Lobe landform region in Iowa: U.S. Geological Survey Scientific Investigations Report 2017–5108, 23 p., https://doi.org/10.3133/sir20175108.

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Year Published: 2018

Water pressure and ground vibrations induced by water guns near Brandon Road Lock and Dam and Lemont, Illinois

Multiple geophysical sensors were used to characterize the underwater pressure field and ground vibrations of a seismic water gun and its suitability to deter the movement of Asian carps (particularly the silver [Hypophthalmichthys molitrix] and bighead [Hypophthalmichthys nobilis] carps) while ensuring the integrity of surrounding structures. The...

Adams, Ryan F.; Koebel, Carolyn M.; Morrow, William S.
Adams, R.F., Koebel, C.M., and Morrow, W.S., 2018, Water pressure and ground vibrations induced by water guns near Brandon Road Lock and Dam and Lemont, Illinois: U.S. Geological Survey Scientific Investigations Report 2017–5153, 55 p., https://doi.org/10.3133/sir20175153.

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Year Published: 2018

Comparison of HSPF and PRMS model simulated flows using different temporal and spatial scales in the Black Hills, South Dakota

The hydrological simulation program Fortran (HSPF) [Hydrological Simulation Program Fortran version 12.2 (Computer software). USEPA, Washington, DC] and the precipitation runoff modeling system (PRMS) [Precipitation Runoff Modeling System version 4.0 (Computer software). USGS, Reston, VA] models are semidistributed, deterministic...

Chalise, D. R.; Haj, Adel E.; Fontaine, T.A.

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Year Published: 2018

Mapping elemental contamination on Palmyra Atoll National Wildlife Refuge

Palmyra Atoll, once a WWII U.S. Navy air station, is now a U.S. National Wildlife Refuge with nearly 50 km2 of coral reef and 275 ha of emergent lands with forests of Pisonia grandistrees and colonies of several bird species. Due to the known elemental and organic contamination from chemicals associated with aviation, power...

Struckhoff, Matthew A.; Orazio, Carl E.; Tillitt, Donald E.; Shaver, David K.; Papoulias, Diana M.
Struckhoff, M.A., Orazio, C.E., Tillitt, D.E., Shaver, D.K., and Papoulias, D.M., 2018, Mapping elemental contamination on Palmyra Atoll National Wildlife Refuge, Marine Pollution Bulletin, v. 128, p. 97-105

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Year Published: 2018

Flood of August 24–25, 2016, Upper Iowa River and Turkey River, northeastern Iowa

Major flooding occurred August 24–25, 2016, in the Upper Iowa River Basin and Turkey River Basin in northeastern Iowa following severe thunderstorm activity over the region. About 8 inches of rain were recorded for the 24-hour period ending at 4 p.m., August 24, at Decorah, Iowa, and about 6 inches of rain were recorded for the 24-hour period...

Linhart, S. Mike; O'Shea, Padraic S.
Linhart, S.M., and O’Shea, P.S., 2018, Flood of August 24–25, 2016, Upper Iowa River and Turkey River, northeastern Iowa: U.S. Geological Survey Open-File Report 2017–1128, 20 p., with appendix, https://doi.org/10.3133/ofr20171128.

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Year Published: 2018

Use of real-time dust monitoring and surface condition to evaluate success of unpaved road treatments

No abstract available.

Kunz, Bethany K.; Green, Nicholas S.; Albers, Janice L.; Wildhaber, Mark L.; Little, Edward E.
Kunz​, B., Green​, N., Albers, J., Wildhaber, M., and Little, E., 2018, ​Use of Real-Time Dust Monitoring and Surface Condition to Evaluate Success of Unpaved Road Treatments​, in Transportation Research Board Annual Meeting, 97th, Washington, DC. Transportation Research Board, p. 18-06624

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Year Published: 2018

Missouri StreamStats—A water-resources web application

The U.S. Geological Survey (USGS) maintains and operates more than 8,200 continuous streamgages nationwide. Types of data that may be collected, computed, and stored for streamgages include streamgage height (water-surface elevation), streamflow, and water quality. The streamflow data allow scientists and engineers to calculate...

Ellis, Jarrett T.
Ellis, J.T., 2018, Missouri StreamStats—A water-resources web application: U.S. Geological Survey Fact Sheet 2018–3003, 6 p., https://doi.org/10.3133/fs20183003.

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Year Published: 2018

Processing of next generation weather radar-multisensor precipitation estimates and quantitative precipitation forecast data for the DuPage County streamflow simulation system

The U.S. Geological Survey, in cooperation with DuPage County Stormwater Management Department, is testing a near real-time streamflow simulation system that assists in the management and operation of reservoirs and other flood-control structures in the Salt Creek and West Branch DuPage River drainage basins in DuPage County, Illinois. As part of...

Bera, Maitreyee; Ortel, Terry W.
Bera, Maitreyee, and Ortel, T.W., 2018, Processing of next generation weather radar-multisensor precipitation estimates and quantitative precipitation forecast data for the DuPage County streamflow simulation system: U.S. Geological Survey Open-File Report 2017–1159, 16 p., https://doi.org/10.3133/ofr20171159.

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Year Published: 2018

Use of real-time dust monitoring and surface condition to evaluate success of unpaved road treatments

Fugitive dust from unpaved roads creates human health hazards, degrades road surfaces, and increases the cost of road maintenance. As a result, many different chemical treatments are applied to unpaved roads in an attempt to control dust and stabilize the wearing course. However, investigations of the effectiveness of these treatments have often...

Kunz, Bethany K.; Green, Nicholas S.; Albers, Janice L.; Wildhaber, Mark L.; Little, Edward E.

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Year Published: 2018

Acute and chronic toxicity of aluminum to a unionid mussel (Lampsilis siliquoidea) and an amphipod (Hyalella azteca) in water‐only exposures

The US Environmental Protection Agency (USEPA) is reviewing the protectiveness of the national ambient water quality criteria (WQC) for aluminum (Al) and compiling a toxicity data set to update the WQC. Freshwater mussels are one of the most imperiled groups of animals in the world, but little is known about their sensitivity to Al. The objective...

Wang, Ning; Ivey, Chris D.; Brunson, Eric L.; Cleveland, Danielle; Ingersoll, Christopher G.; Stubblefield, William A.; Cardwell, Allison S.
Wang, N., Ivey, C.D., Brunson, E.L., Cleveland, D.M., Ingersoll, C.G., Stubblefield, W.A., and Cardwell, A.S., 2018, Acute and Chronic Toxicity of Aluminum to a Unionid Mussel (Lampsilis Siliquoidea) and an Amphipod (Hyalella Azteca) in Water-Only Exposures: Environmental Toxicology and Chemistry 37(1): 115-127

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Year Published: 2018

Aluminum bioavailability and toxicity to aquatic organisms: Introduction to the special section

No abstract available.

Adams, William J.; Cardwell, Allison S.; DeForest, David K.; Gensemer, Robert W.; Santore, Robert C.; Wang, Ning; Nordheim, Eirik
Adams, W.J., Cardwell, A.S., DeForest, D.K., Gensemer, R.W., Santore, R.C., Wang, N., and Nordheim, E., 2018, Editorial: Aluminum bioavailability and toxicity to aquatic organisms: Introduction to the special section: Environmental Toxicology and Chemistry, v. 37, no. 1, p. 34-35

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 Beach erosion at Rodanthe, NC, along the coast on August 30, 2011, three days after landfall of Hurricane Irene
April 14, 2016

Beach erosion, North Carolina, 2011, caused by Hurricane Irene.

Oblique aerial photograph near Rodanthe, NC, along the coast on August 30, 2011, three days after landfall of Hurricane Irene. A breach was carved through the barrier island, severing NC Highway 12. The storm surge was approximately 2 m high on the sound-side and was less on the ocean-side. Flow from the sound to the ocean may have played a role in cutting

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Attribution: Southeast
A colony of the soft coral known as the "bent sea rod" stands bleached on a reef off of Islamorada, Florida.
April 12, 2016

Bent Sea Rod Bleaching

A colony of the soft coral known as the "bent sea rod" stands bleached on a reef off of Islamorada, Florida. Hard and soft corals are presently bleaching- losing their symbiotic algae – all over the coral reefs of the Florida Keys due to unusually warm ocean temperatures this summer. Months with waters warmer than 85 F have become more frequent in the last several decades

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January 30, 2016

Magical Manatees

This video was shot in Three Sisters Springs at the Crystal River National Wildlife Refuge, Florida. The footage was captured using a GoPro while conducting health check-ups and taking photography for population research on Jan. 30, 2014.

Special Thanks
Dr. Bob Bonde, USGS and the dozens of volunteers who conduct annual manatee health

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Elkhorn coral has died and turned to rubble.
December 31, 2015

Corals die, turn to rubble

These Elkhorn corals (Acropora palmata) near Buck Island, U.S. Virgin Islands have died and collapsed into rubble. As coral reef structure degrades, valuable habitat for marine life is lost and nearby coastlines become more susceptible to storms, waves and erosion.

Monarchs
December 31, 2015

Monarchs

The Eastern, migratory population of monarch butterflies has declined by about 80 percent over the last decade.

 

Prescribed burn
December 31, 2015

Prescribed burn

Prescribed burn

Prescribed burn
December 31, 2015

Prescribed burn

Prescribed burn

Image shows sand in a hand
December 31, 2015

Frac Sands in Hand

Frac sands used in unconventional oil and gas development.

Strong River at D'Lo Mississippi
December 31, 2015

Strong River at D'Lo Mississippi

This image was taken at the Strong River at D'Lo, Mississippi by Shane Stocks who is a Hydrologic Technician out of the Jackson, MS office. Shane used an infared camera to take this long exposure shot of the river. 

Distant view of sandy yellow beach stretching from bottom left to upper right of photo.
September 1, 2015

Time-averaged image from video of beach in Duck, North Carolina

Time-averaged image, or “timex,” created by averaging the intensity of light recorded at each spot, or “pixel,” during a video taken at Duck, North Carolina, on September 1, 2015. Blurred white zones show where waves are breaking. Light band paralleling the shore marks an offshore sandbar. Dark bands extending away from the beach indicate rip channels. Researchers are

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Michelle Collier of the USGS holding a black and white Tegu lizard.
December 31, 2014

Michelle Collier of the USGS holding a black and white Tegu

Invasive Species biological science technician Michelle Collier holds an invasive black and white Tegu lizard. 

Red bubblegum coral
December 31, 2013

Red bubblegum coral at 440 meters deep in Norfolk Canyon

Red bubblegum coral (Paragorgia) and several colonies of Primnoa occupy a boulder in close proximity to an anemone and sea star, at approximately 440 meters depth in Norfolk Canyon. Image courtesy of Deepwater Canyons 2013 – Pathways to the Abyss, NOAA-OER/BOEM/USGS

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Iowa
September 23, 2016

Reporters: Do you want to accompany a USGS field crew as they measure flooding? Please contact Jason McVay at 319-430-6962.

Iowa
August 24, 2016

Reporters: Do you want to accompany a USGS field crew as they measure flooding? Please contact Jason McVay at 319-430-6962.

Image shows aerial imagery of flooding in Louisiana, courtesy of the National Geodetic Survey
August 22, 2016

The USGS response to the Louisiana floods is part of the larger USGS flood science mission...

Image shows flooded houses and vehicles
August 19, 2016

Wonder what Backwater Flooding is? We've got your answer here...

Image shows a flooded street with a USGS truck nearby
August 19, 2016

All affected USGS scientists are alive and well, and our flood work continues...

Image shows aerial imagery of flooding in Louisiana, courtesy of the National Geodetic Survey
August 18, 2016

Six streamgages Set peaks of record and 50 stations were overtopped by floodwaters.

Catawba rhododendron blooming at Round Bald, NC
August 11, 2016

“From the mountains to the coast, the southeastern U.S. contains ecosystems that harbor incredible biodiversity. Many of those ecosystems are already highly at risk from urbanization and other human land-use change. Identifying the ecosystems at risk from climate change will help inform conservation and management to ensure we don’t lose that biodiversity.” (Jennifer Constanza, report author)

USGS
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.