Unified Interior Regions

Region 2: South Atlantic-Gulf (Includes Puerto Rico and the U.S. Virgin Islands)

Regions L2 Landing Page Tabs

Filter Total Items: 337
Water use logo
Date Published: August 13, 2018
Status: Active

Water Use in Georgia

To provide estimates of water withdrawal, water use, and return flows to surface water needed for water management, the U.S. Geological Survey (USGS), in cooperation with Georgia Department of Natural Resources, Environmental Protection Division (GaEPD), developed the Georgia Water-Use Program in 1979. This ongoing program focuses on collecting, compiling, and disseminating water-use ...

Contacts: Jaime A Painter
Extent of Gulf Coast Petroleum System Project and Oil and Gas Wells
Date Published: August 9, 2018
Status: Active

Gulf Coast Petroleum Systems Project - Assessments

This site highlights the assessments of the Gulf Coast Petroleum Systems Project.   Scientifically robust assessments of undiscovered, technically recoverable hydrocarbon resources are published in a variety of USGS publications.  This project also conducts research on the processes that impact the formation, accumulation, occurrence and alteration of hydrocarbon energy resources (...

Nymphoides: (a) N. humboldtiana (native) and (b) N. indica (invasive)
Date Published: August 2, 2018
Status: Active

Integrating Science and Management for Optimal Prevention and Control of Invasive Nymphoides in Florida

Two invasive species of floating hearts, Nymphoides cristata and N. indica, are actively managed in Florida. A rare native species, N. humboldtiana, has been found in Florida and verified by molecular methods; this species is nearly indistinguishable from N. indica.

Graphite schist from the Roanoke Rapids terrane in southeastern Virginia.
Date Published: August 1, 2018
Status: Active

Piedmont Geology Along the Southeastern Fall Zone, Virginia and North Carolina

This task within the USGS NCGMP Piedmont-Blue Ridge Project aims to fill the void in geologic map coverage along the Fall Zone in southeastern Virginia and northeastern North Carolina, and forge strong cooperative ties within the NCGMP by combining resources across all three Program components by supporting DMME and NCGS STATEMAP and UNC–W EDMAP components with targeted geologic mapping and...

Contacts: Mark W Carter
Rain gage, solar panel, and data logger enclosure box.
Date Published: July 23, 2018
Status: Active

Toro Negro, Puerto Rico

Recent Conditions

Instruments are used to monitor and detect changes in local conditions, including:

Area above Utuado where possible landslides initiation can occur.
Date Published: July 23, 2018
Status: Active

Utuado, Puerto Rico

Recent Conditions

Instruments are used to monitor and detect changes in local conditions, including:

Appalachian Basin Oil and Gas Assessments Map
Date Published: July 19, 2018
Status: Active

Appalachian Basin Oil and Gas Assessments

The USGS has conducted numerous assessments of undiscovered oil and gas in the Appalachian Basin, including studies of the Marcellus Shale. The region extends from Alabama to Maine. The following is an overview of the assessments:

  • 2019 Ordovician Point Pleasant Formation and Utica Shale (FS 2019-3044)
  • 2019
  • ...
Flood inundation map of Atlanta
Date Published: July 18, 2018
Status: Active

Flood-Inundation mapping in Georgia, North and South Carolina

The U.S. Geological Survey (USGS) has created flood-inundation maps for selected streamgage sites in Georgia, North and South Carolina. These maps depict the approximate area that would be inundated at selected water levels, ranging from approximately top-of-bank to the maximum observed water level. The inundated areas depicted on these maps are approximate, and accuracy of the maps is a...

River webcam locations in Georgia, North and South Carolina
Date Published: July 12, 2018
Status: Active

River WebCams of the South Atlantic Water Science Center (Georgia, North and South Carolina)

We have installed webcams at a number of locations in Georgia, North Carolina, and South Carolina to allow you to view, in real time, the current river-stage conditions. The Georgia and South Carolina cameras allow users to temporarily control the tilt, pan, and zoom. During periods of flooding, the South Atlantic Water Science Center might take control of the camera.

Landsat image of Puerto Rico and Virgin Islands
Date Published: June 19, 2018
Status: Active

Mineral Resource Assessment of U.S. Territories of the Caribbean Basin Archipelago including Puerto Rico, U.S. Virgin Islands and Adjacent Areas

Project objectives are to develop a modern probabilistic quantitative mineral resource assessment of Puerto Rico, U.S. Virgin Islands and adjacent geologically similar areas that examines the potential for minerals-based economic development and trade within the region.

Contacts: Floyd Gray
Hurricane Mathew Rainfall Map 2016
Date Published: June 14, 2018
Status: Completed

Hurricane Matthew: Flood Resources and Tools

During and after Hurricane Matthew, the USGS made flood-flow measurements, maintained streamgages, deployed over 390 instruments, and developed geospatial products to measure and communicate the extent of coastal and inland flooding.

Set up of solar powered monitoring station in the Nantahala National Forest by employees on a hillside
Date Published: June 8, 2018
Status: Active

Poplar Cove, Nantahala National Forest, North Carolina

Recent Conditions

The instruments were installed in the summer of 2014 and are used to monitor and detect changes in local conditions, including

Contacts: Jonathan Godt, The North Carolina Department of Environmental Quality, Coweeta Experimental Forest, Colorado School of Mines
Filter Total Items: 4,923
Publication Thumbnail
Year Published: 2019

Reporting the limits of detection and quantification for environmental DNA assays

BackgroundEnvironmental DNA (eDNA) analysis is increasingly being used to detect the presence and relative abundance of rare species, especially invasive or imperiled aquatic species. The rapid progress in the eDNA field has resulted in numerous studies impacting conservation and management actions. However, standardization of eDNA methods and...

Klymus, Katy E.; Merkes, Christopher M.; Allison, Michael J.; Goldberg, Caren S.; Helbing, Caren C.; Hunter, Margaret; Jackson, Craig; Lance, Richard F.; Mangan, Anna M.; Monroe, Emy M.; Piaggio, Antoinette J.; Stokdyk, Joel P.; Wilson, Chris C.; Richter, Catherine A.

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Year Published: 2019

Monitoring plans for Louisiana’s system-wide assessment and monitoring program (SWAMP). Version IV

The System-Wide Assessment and Monitoring Program (SWAMP) has been envisioned as a long-term monitoring program to ensure a comprehensive network of coastal data collection activities is in place to support the development, implementation, and adaptive management of the coastal protection and restoration program within coastal Louisiana. The...

Hemmerling, Scott; Baustian, Melissa M.; Bienn, Harris; Dausman, Alyssa; Grace, Alaina; Grimley, Lauren; McInnis, Adrian; Vingiello, Michael; Vu, Huy; Sable, Shaye; Gentile, Britt; Lafargue, Phillip; Hijuelos, Ann; Piazza, Sarai; Stagg, Camille; Raynie, Richard C; Haywood, Edward; Khalid, Syed

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Year Published: 2019

Relations of dissolved-oxygen variability, selected field constituents, and metabolism estimates to land use and nutrients in high-gradient Boston Mountain streams, Arkansas

Continuous monitoring data can be extremely useful for assessing water quality conditions particularly for variables that exhibit dynamic diel swings such as dissolved oxygen. As a means of evaluating dissolved oxygen criteria used by the Arkansas Department of Environmental Quality (ADEQ) for assessing this stream class, we compared continuous...

Justus, Billy; Driver, Lucas; Green, J.J.; Wentz, Nathan

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Year Published: 2019

A multi-indicator spatial similarity approach for evaluating ecological restoration scenarios

ContextThe greater Everglades region in Florida (USA) is an area of wetlands that has been altered and reduced to 50% of its original area and faces multiple threats. Spatial landscape analysis can help guide a large and complex ecosystem restoration process, involving billions of dollars and multiple groups of stakeholders.ObjectivesTo guide...

Wiederholt, Ruscena; Paudel, Rajendara; Khare, Yogesh; Davis, Stephen E.; Naja, G.M.; Romanach, Stephanie; Pearlstine, L.; Van Lent, Thomas

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Year Published: 2019

Putative mitochondrial sex determination in the Bivalvia: Insights from a hybrid transcriptome assembly in freshwater mussels

Bivalves exhibit an astonishing diversity of sexual systems, with genetic and environmental determinants of sex, and possibly the only example of mitochondrial genes influencing sex determination pathways in animals. In contrast to all other animal species in which strict maternal inheritance (SMI) of mitochondria is the rule, bivalves possess a...

Capt, Charlotte; Renaut, Sebastien; Stewart, Donald; Johnson, Nathan; Breton, Sophie

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Year Published: 2019

Temperature thresholds for black mangrove (Avicennia germinans) freeze damage, mortality, and recovery in North America: Refining tipping points for range expansion in a warming climate

Near the tropical‐temperate transition zone, warming winter temperatures are expected to facilitate the poleward range expansion of freeze‐sensitive tropical organisms. In coastal wetlands of eastern and central North America, freeze‐sensitive woody plants (mangroves) are expected to expand northward into regions currently dominated by freeze‐...

Osland, Michael; Day, Richard; Hall, Courtney T.; Feher, Laura; Armitage, Anna R.; Cebrian, Just; Dunton, Kenneth H.; Hughes, Randall; Kaplan, David; Langston, Amy K.; Macy, Aaron; Weaver, Carolyn A.; Anderson, Gordon H.; Cummins, Karen; Feller, Ilka C.; Snyder, Caitlin M.

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Year Published: 2019

Informing sea turtle outreach efforts to maximize effectiveness

Most sea turtle (Cheloniidae) species worldwide are endangered or threatened, with threats causing harm to sea turtles predominantly human‐induced. Thus, prevention of further declines to these imperiled species will require alteration of human behaviors. Regulations, incentives, and environmental education are 3 strategies that could be used to...

Swindall, Jessica E.; Ober, Holly K.; Lamont, Margaret; Carthy, Raymond

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Year Published: 2019

Potentiometric surface of the Mississippi River Valley alluvial aquifer, spring 2016

A potentiometric surface map for spring 2016 was created for the Mississippi River Valley alluvial (MRVA) aquifer using selected available groundwater-altitude data from wells and surface-water-altitude data from streamgages. Most of the wells were measured annually or one time after installation, but some wells were measured more than one time or...

McGuire, Virginia L.; Seanor, Ronald C.; Asquith, William H.; Kress, Wade H.; Strauch, Kellan R.
McGuire, V.L., Seanor, R.C., Asquith, W.H., Kress, W.H., and Strauch, K.R., 2019, Potentiometric surface of the Mississippi River Valley alluvial aquifer, spring 2016: U.S. Geological Survey Scientific Investigations Map 3439, 14 p., 5 sheets, https://doi.org/10.3133/sim3439.

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Year Published: 2019

Photosynthetic and respiratory responses of two bog shrub species to whole ecosystem warming and elevated CO2 at the boreal-temperate ecotone

Peatlands within the boreal-temperate ecotone contain the majority of terrestrial carbon in this region, and there is concern over the fate of such carbon stores in the face of global environmental changes. The Spruce and Peatland Response Under Changing Environments (SPRUCE) facility aims to advance the understanding of how such peatlands may...

Ward, Eric; Warren, Jeffrey M .; McLennan, David A; Dusenge, Mirindi E; Way, Danielle A.; Wullschleger, Stan D.; Hanson, Paul J

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Year Published: 2019

Comparison of methods for modeling fractional cover using simulated satellite hyperspectral imager spectra

Remotely sensed data can be used to model the fractional cover of green vegetation (GV), non-photosynthetic vegetation (NPV), and soil in natural and agricultural ecosystems. NPV and soil cover are difficult to estimate accurately since absorption by lignin, cellulose, and other organic molecules cannot be resolved by broadband multispectral data...

Dennison, Philip E.; Qi, Yi; Meerdink, Susan K.; Kokaly, Raymond; Thompson, David R.; Daughtry, Craig S.T.; Quemada, Miguel; Roberts, Dar A.; Gader, Paul; Wetherley, Erin; Numata, Izaya; Roth, Keely L.

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Year Published: 2019

Back to the future: Rebuilding the Everglades

Society values landscapes that are engrained in cultural tradition and have a rich connection with human history. As such, there has been a concerted effort to look at the pristine past and develop plans to move the past into the future. However, bringing the past back is constrained by hysteretic changes, irrevocable damages, and anthropogenic...

Sklar, Fred H.; Beerens, James M.; Brandt, Laura A.; Coronado-Molina, Carlos A.; Davis, Steven M; Frankovich, Tom; Madden, Christopher; McLean, Agnes; Trexler, Joel C.; Wilcox, Walter

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Year Published: 2019

Non-native marine fishes in Florida: Updated checklist, population status and early detection/rapid response

It has been ten years since the last comprehensive assessment of non-native marine fishes in Florida. Herein, we report sightings of 41 species from Florida coastal waters since the earliest reported sighting in 1984. Information is provided on the population status of each species (e.g., established, eradicated, unknown), and our early detection/...

Schofield, Pamela J.; Akins, Lad

Filter Total Items: 503
1985-2018 Lion fish invasion. Ecosystems Mission Area. Wetlands and Aquatic Research Center
May 16, 2018

1985-2018 Lionfish Invasion

Lionfish invasion (1985-2018). Lionfish invaded US Atlantic coastal waters, the Caribbean Sea, and the Gulf of Mexico with unprecedented, alarming speed. Though reports of sightings date back to the 1980s, it is only recently that the species has exploded in numbers and range. In fact, the lionfish invasion is the 

...
USGS staff uses a radio to determine if an Acoustic Backscatter sensor (white circle) is still operating
April 25, 2018

Can you hear me now?

Steve Suttles (USGS) uses a radio to determine if an Acoustic Backscatter sensor (white circle) is still operating at the end of the deployment.

crew of the R/V Savannah recover the buoy deployed at the offshore site to record meteorological data.
April 19, 2018

Oh Buoy!

crew of the R/V Savannah recover the buoy deployed at the offshore site to record meteorological data.

USGS team and R/V Savannah crew prepare to lower the quadpod deployed at the nearshore site onto the deck
April 13, 2018

Quadpod Recovery

USGS team and R/V Savannah crew prepare to lower the quadpod deployed at the nearshore site onto the deck during recovery operations.  Note all the hairy encrusting organisms that grew in 3 months and how close to the shoreline the ship is.

Conglomerates within the Sycamore Sand at Hammetts Crossing
February 27, 2018

Conglomerates, Sycamore Sand at Hammetts Crossing, Travis Cty, Texas

Conglomerates within the Sycamore Sand at Hammetts Crossing, Travis County, Texas (photograph by Allan K. Clark, U.S. Geological Survey, February 27, 2018).
U.S. Geological Survey Scientific Investigations Map 3418, https://doi.org/10.3133/sim3418

A USGS researcher sits in the sand conducting fieldwork on Buttonwood Key, FL
February 1, 2018

Fieldwork on Florida Bay Islands

A USGS researcher conducts fieldwork on Buttonwood Key, an island in Florida Bay, to determine the impacts of Hurricane Irma. The storm left thick deposits of mud on the island, which are being measured, sampled and photographed.  Many of the islands in Florida Bay have open mudflats in the center, surrounded by mangroves on the perimeter. 

Image showing mangroves that have lost all their leaves and a berm that is significantly thinner following Hurricane Irma. 
January 31, 2018

Berm at Jim Foot Key, Florida (2018)

In Photo: The red circle indicates the same position as shown in the April 2014 photo.  The mangroves have lost all their leaves and the berm is significantly thinner following the storm. 

Scientists from the Florence Bascom Geoscience Center first sampled four islands in

...
Picture of field water-level monitoring gage EDEN 13
January 31, 2018

Field water-level monitoring gage EDEN 13

Field water-level monitoring gage EDEN 13. Photograph by Michael Oliver, U.S. Geological Survey.
U.S. Geological Survey Fact Sheet 2017–3069
Version 1.1, January 2018

A desmid alga is bright red and green photographed in UV light
December 31, 2017

This single-celled alga is a natural ornament

It looks like a holiday ornament, but this lovely object is a single-celled freshwater alga from the desmid family, found in the marshes of Florida’s Arthur R. Marshall Loxahatchee National Wildlife Refuge. USGS biologist Barry Rosen photographed it at 200x magnification using ultraviolent light and a fluorescence microscope. Desmids range in size from under 10 microns—

...
Excerpt of satellite image showing landslide impacts to PR-357 near the Rio Rosario in the Maricao Municipality
December 31, 2017

LS Preliminary Puerto Rico

Excerpt of satellite image showing landslide impacts to PR-357 near the Río Rosario in the Maricao Municipality. Points identify the approximate road locations visibly impacted by landslides. Image filename contains approximate latitude and longitude of impact location.

Filter Total Items: 372
Image: White Ibis and Wood Stork Perched on a Tree Island in the Everglades
June 24, 2015

Wading bird numbers in the Florida Everglades are driven by water patterns that play out over multiple years according to a new study by the U.S. Geological Survey and Florida Atlantic University.

Image: A Manatee in Florida
May 20, 2015

The risk of extinction for the endangered Florida manatee appears to be lower, according to a new U.S. Geological Survey led study.

USGS science for a changing world logo
April 28, 2015

EVERGLADES NATIONAL PARK, Fla.— The largest and longest Burmese Python tracking study of its kind -- here or in its native range -- is providing researchers and resource managers new information that may help target control efforts of this invasive snake, according to a new study led by the U.S. Geological Survey.

collage of scientists conducting science related to each mission are
April 21, 2015

USGS scientists have updated the hydrogeologic framework for the Floridan aquifer system that underlies Florida and parts of Georgia, Alabama, and South Carolina.

USGS
April 16, 2015

Many loggerhead sea turtles that nest in Dry Tortugas National Park head to rich feeding sites in the Bahamas after nesting, a discovery that may help those working to protect this threatened species

USGS
April 16, 2015

New genetic data suggest the red lionfish invasion in the Caribbean Basin and Western Atlantic started in multiple locations, not just one as previously believed, according to a new study led by the U.S. Geological Survey.

USGS
March 25, 2015

The U.S. Geological Survey’s Southeast Ecological Science Center in Gainesville and the National Wetlands Research Center in Lafayette, Louisiana will merge under the same leadership effective October 1, 2015.

USGS
March 25, 2015

Some shallow-groundwater wells next to or downhill from Orange County agricultural fields treated with bio-based fertilizers have nitrate levels above Environmental Protection Agency standards set for public water supplies, according to a new U.S. Geological Survey report. 

collage of scientists conducting science related to each mission are
March 25, 2015

Appalachian coal and petroleum resources are still available in sufficient quantities to contribute significantly to fulfilling the nation’s energy needs, according to a recent study by the U.S. Geological Survey.

Follow Region 2 activities on social media, get contact information for Region 2 USGS centers, and meet Region 2's staff and center directors. 

Filter Total Items: 284