Unified Interior Regions
Region 2: South Atlantic-Gulf (Includes Puerto Rico and the U.S. Virgin Islands)
Regions L2 Landing Page Tabs
Appalachian Basin Geologic Mapping Project
The Appalachian Basin Geologic Mapping Project performs geologic mapping at local and regional scales, and geologic research in The Valley and Ridge and Appalachian Plateaus physiographic provinces. These provinces include parts of 11 states and mainly borders the Blue Ridge / Piedmont and North Interior Lowlands Provinces. Two states have Valley and Ridge geology only (GA, NJ), two have...
Modeling Spatial Habitat Quality for the Cape Sable Seaside Sparrow
The Joint Ecosystem Modeling (JEM) team will develop species distribution models that incorporate hydrologic and habitat variables known to influence Cape Sable Seaside Sparrow occurrence.
Ecological Modeling in Support of the Western Everglades Restoration Project
Joint Ecosystem Modeling (JEM) provides ecological models tailored to address specific management issues, for example, the Western Everglades Restoration Project.
Historical Water-Use in Florida
The Florida Water-Use Program is an ongoing cooperative project between the United States Geological Survey (USGS), Caribbean-Florida Water Science Center and the Florida Department of Agriculture and Consumer Services (FDACS), Office of Agricultural Water Policy (http://www.freshfromflorida.com/Divisions-...
Evaluating Ecological Vulnerabilities of the Greater Everglades Ecosystem to Provide Decision Support for Restoration
USGS scientists develop decision support tools to help inform management and restoration of the Greater Everglades Ecosystem.
Potential for Increased Inundation in Flood-Prone Regions of Southeast Florida in Response to Climate and Sea-Level Changes in Broward County, Florida, 2060–69
The U.S. Geological Survey, in cooperation with Broward County Environmental Planning and Resilience Division, has developed county-scale and local-scale groundwater/surface-water models to study the potential for increased inundation and flooding in eastern Broward County that are due to changes in future climate and sea-level rise. The purpose is to provide information that can be used to...
United States Assessments of Undiscovered Oil and Gas Resources
USGS Energy Resources Program provides periodic assessments of the oil and natural gas endowment of the United States and the World. This website provides access to new, prioritized, assessment results and supporting data for the United States, as part of the Energy Policy and Conservation Act (EPCA).
LCMAP Change Stories: Alabama Tornadoes
The USGS Land Change Monitoring, Assessment, and Projection initiative aims to identify where the landscape is changing and why.
Key Findings for Scenario-Based Assessment for Hurricanes
Percentage of sandy beaches very likely (probability > 0.9) to experience erosion associated with collision, overwash, and inundation during category 1-5 hurricane landfall.
Oblique Aerial Photography Viewer
Obique photos offer a unique perspective of the coast. Features such as beach erosion or accretion, dune erosion and overwash can all be clearly characterized in this imagery. It also documents coastal infrastructure, as well as the damage that infrastructure may incur as the result of an impacting hurricane.
Gulf of Mexico Dashboard
The USGS Southeast Regional Office has funded a cross-center collaboration between the Wetland and Aquatic Research Center and the Texas Water Science Center for the development of the Gulf of Mexico Water Dashboard.
Sex, length, total mass, fat mass, and specimen condition data for 248 Burmese pythons (Python bivittatus) collected in the Florida Everglade
These data were collected from Burmese pythons removed from the Florida everglades as part of invasive-species management. These data were used to validate several body condition indices in Burmese pythons.
National Water Information System web interface (NWISweb)
The National Water Information System (NWIS) web application provides access to real-time and historical surface-water, groundwater, water-quality, and water-use data collected at approximately 1.5 million sites across all 50 states.
Coastal Change Hazards Portal
Interactive access to coastal change science and data for our Nation’s coasts. Information and products are organized within three coastal change hazard themes: 1) extreme storms, 2) shoreline change, and 3) sea-level rise. Displays probabilities of coastal erosion.
Surface-water data for the South Atlantic Water Science Center (NWISWeb)
Real-time, daily, peak-flow, field measurements, and statistics of current and historical data that describe stream levels, streamflow (discharge), reservoir and lake levels, surface-water quality, and rainfall in Georgia, South Carolina, and North Carolina.
Current Conditions: Georgia...
Groundwater data for the South Atlantic Water Science Center (NWISWeb)
Data from wells, springs, test holes, tunnels, drains, and excavations in Georgia, South Carolina, and North Carolina; well location data includes information such as latitude and longitude, well depth, and aquifer. Current and historical observations, and daily data are offered.
Current Conditions: Georgia...
Water-quality data for the South Atlantic Water Science Center (NWISWeb)
Chemical, physical, and biological properties of water, sediment, and tissue samples from Georgia, South Carolina, and North Carolina. Water-quality data are collected as either discrete field measurements or as continuous time-series data from automated recorders.
Current Conditions: ...
Real time precipitation data for Georgia, North Carolina, and South Carolina (NWISWeb)
Data from rain gages that provide real-time data are relayed to the USGS and are transmitted from each station at intervals of 1 to 8 hours. Real-time data available on these web pages are provisional data that have not been reviewed or edited.
Georgia || ...
Lake and reservoir levels, South Atlantic Water Science Center (NWISWeb)
Real-time water levels and long-term statistics for lakes and reservoirs in Georgia, North Carolina, and South Carolina. Lake data are collected and stored as continuous time-series data from automated recorders.
>> Georgia || ...
Water use data for the South Atlantic Water Science Center (NWISWeb)
Water-use data are collected by area type (state, county, watershed, or aquifer) and source (rivers or groundwater), and category (such as public supply or irrigation). Water-use data has been reported every five years since 1950. The USGS works with local, State, and Federal agencies as well as other organizations to collect and report withdrawals.
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The 3DEP products and services available through The National Map consist of standard digital elevation models (DEMs) at various horizontal resolutions, elevation source and associated datasets, an elevation point query service and bulk point query service. All 3DEP products are available, free of charge and without use restrictions.
Links to publications that contain maps of the sea floor or lake beds and the digital data used to create them.
The USGS Storm Tide Mapper is a tool for viewing, analyzing, and accessing storm tide data collected during and after hurricanes and Nor’easters. The USGS Storm Tide Mapper will continue to provide a unified and consistent source of real-time and archived storm-tide data.
This map is based on data from more than 70 raingages operated by the U.S. Geological Survey in cooperation with the City of Charlotte and Mecklenburg County as part of the Flood Information and Notification System (FINS).
Map of North Carolina rain gages with National Weather Service precipitation overlays.
This map is based on data from more than 70 raingages operated by the U.S. Geological Survey in cooperation with the City of Charlotte and Mecklenburg County as part of the Flood Information and Notification System (FINS).
There are 72 sites collecting 5-minute interval precipitation data in the Charlotte-Mecklenburg Network.
Most sites use line-of-site radios to transmit the data to the USGS within minutes after data is recorded. These data are loaded in the USGS database before the next 5-minute interval and available online soon after.
Map of Catawba-Wateree Groundwater Network monitoring locations.
As part of their mission to protect public health and aquatic ecosystems, Alabama state agencies need accurate and representative streamflow statistics to establish realistic and applicable criteria for both water quality and water quantity (fig. 1).
Beta version 4 is now available for most states on a trial basis, and version 3 remains available. Beta version 4 provides a single user interface (at http://streamstatsags.cr.usgs.gov/streamstats/) for all states that are implemented, rather than separate applications for each state, as in versions 2 and 3, and the user interface is more user friendly than previous versions.
StreamStats is a Web-based tool that provides streamflow statistics, drainage-basin characteristics, and other information for USGS streamgaging stations and for user-selected ungaged sites on streams. When users select the location of a streamgaging station, StreamStats provides previously published information from a database. When users select a site on an ungaged stream,
Static flood-inundation map libraries consist of maps that have been created in advance of a flood that are ready to be served through the Internet. Each library consists of a set of flood extent and depth maps developed for predetermined stream stage intervals (for example, a map for each one foot of stage).
Detecting cover crop end-of-season using VENµS and sentinel-2 satellite imagery
Cover crops are planted during the off-season to protect the soil and improve watershed management. The ability to map cover crop termination dates over agricultural landscapes is essential for quantifying conservation practice implementation, and enabling estimation of biomass accumulation during the active cover period. Remote sensing detection...
Gao, Feng; Anderson, Martha; Hively, W. DeanSurface elevation change evaluation in mangrove forests using a low‐cost, rapid‐scan terrestrial laser scanner
Mangrove forests have adapted to sea level rise (SLR) increases by maintaining their forest floor elevation via belowground root growth and surface sediment deposits. Researchers use surface elevation tables (SETs) to monitor surface elevation change (SEC) in mangrove forests, after which this information is used to assess SLR resiliency or to...
Kargar, Ali Rouzbeh; MacKenzie, Richard A.; Fafard, Alexander; Krauss, Ken; van Aardt, JanEvaluation of the U.S. Geological Survey streamgage network in South Carolina, 2017
The U.S. Geological Survey (USGS) has been monitoring streamflow in South Carolina since the late 1800s. From the beginning, the USGS streamgage network in South Carolina has been dynamic, with streamgages being added or removed depending on their purpose and the availability of funding from Federal, State, and local partners. Streamflow...
Feaster, Toby D.; Kolb, Katharine R.Double exposure and dynamic vulnerability: Assessing economic well-being, ecological change and the development of the oil and gas industry in coastal Louisiana
The oil and gas industry has been a powerful driver of economic change in coastal Louisiana for the latter half of the 20th century and into the 21st. Yet, the overall impact of the industry on the economic well-being of host communities is varied, both spatially and temporally. While the majority of Louisiana’s oil and gas production now occurs...
Hemmerling, Scott; Carruthers, Tim J.B.; Hijuelos, Ann; Bienn, Harris C.Predicting multi-species foraging hotspots for marine turtles in the Gulf of Mexico
Quantifying the distribution of animals and identifying underlying characteristics that define suitable habitat are essential for effective conservation of free-ranging species. Prioritizing areas for conservation is important in managing a geographic extent that has a high level of disturbance and limited conservation resources. We examined the...
Fujisaki, Ikuko; Hart, Kristen; Bucklin, David N.; Iverson, Autumn R.; Rubio, Cynthia; Lamont, Margaret; Miron, Raul de Jesus G.D.; Burchfield, Patrick M.; Pena, Jaime; Shaver, Donna J.Sensitivity of storm response to antecedent topography in the XBeach model
Antecedent topography is an important aspect of coastal morphology when studying and forecasting coastal change hazards. The uncertainty in morphologic response of storm-impact models and their use in short-term hazard forecasting and decadal forecasting is important to account for when considering a coupled model framework. This study provided a...
Mickey, Rangley C.; Dalyander, P. Soupy; McCall, Robert T.; Passeri, Davina L.An interactive data visualization framework for exploring geospatial environmental datasets and model predictions
With the rise of large-scale environmental models comes new challenges for how we best utilize this information in research, management and decision making. Interactive data visualizations can make large and complex datasets easier to access and explore, which can lead to knowledge discovery, hypothesis formation and improved understanding. Here,...
Walker, Jeffrey D; Letcher, Benjamin; Rodgers, Kirk D.; Muhlfeld, Clint C.; D'Angelo, Vincent S.Estimated groundwater withdrawals from principal aquifers in the United States, 2015
In 2015, about 84,600 million gallons per day (Mgal/d) of groundwater were withdrawn in the United States for various uses including public supply, self-supplied domestic, industrial, mining, thermoelectric power, aquaculture, livestock, and irrigation. Of this total, about 94 percent (79,200 Mgal/d) was withdrawn from principal aquifers, which...
Lovelace, John K.; Nielsen, Martha G.; Read, Amy L.; Murphy, Chid J.; Maupin, Molly A.Changes in ecosystem nitrogen and carbon allocation with black mangrove (Avicennia germinans) encroachment into Spartina alterniflora salt marsh
Increases in temperature are expected to facilitate encroachment of tropical mangrove forests into temperate salt marshes, yet the effects on ecosystem services are understudied. Our work was conducted along a mangrove expansion front in Louisiana (USA), an area where coastal wetlands are in rapid decline due to compounding factors, including...
Macy, Aaron; Osland, Michael; Cherry, Julia A; Cebrian, JustGrowth rates for immature Kemp’s ridley sea turtles from a foraging area in the northern Gulf of Mexico
Examining vital rates helps clarify how environmental characteristics, biological resources and human activities affect population growth. Carapace lengths were gathered for 241 Kemp’s ridley Lepidochelys kempii sea turtles that were marked and recaptured (n = 23) between 2011 and 2019 at a foraging location in northwest Florida, USA....
Lamont, Margaret; Johnson, DarrenPesticide mixtures show potential toxicity to aquatic life in U.S. streams, water years 2013-2017
During water years (WY) 2013–2017, the U.S. Geological Survey, National Water-Quality Assessment (NAWQA) Project, sampled the National Water Quality Network – Rivers and Streams (NWQN) year-round and reported on 221 pesticides at 72 sites across the United States in agricultural, developed, and mixed land use watersheds. The Pesticide Toxicity...
Covert, S. Alex.; Shoda, Megan E.; Stackpoole, Sarah M.; Stone, Wesley W.Simulating wave runup on an intermediate–reflective beach using a wave-resolving and a wave-averaged version of XBeach
The prediction of wave runup, as well as its components, time-averaged setup and the time-varying swash, is a key element of coastal storm hazard assessments, as wave runup controls the transitions between morphodynamic response types such as dune erosion and overwash, and the potential for flooding by wave overtopping. While theoretically able to...
de beer, A.F.; McCall, R.T.; Long, Joseph W.; Tissier, M.F.S.; Reniers, A.J.H.M.Earth as Art 6
The Earth As Art project began in the early 2000s, and its original intent remains the same: to produce images that do not look like satellite images at first glance. Earth As Art shows not only what satellites capture in the visible wavelengths of light you and I can see, but also what’s hiding in the invisible wavelengths that Landsat sensors can detect in the infrared
Flowing artesian well in Brunswick, Georgia, USA
Groundwater in aquifers between layers of poorly permeable rock, such as clay or shale, may be confined under pressure. If such a confined aquifer is tapped by a well, water will rise above the top of the aquifer and may even flow from the well onto the
...Stream gaging in Puerto Rico after Tropical Storm Karen: Gage house
Stream gaging in Puerto Rico after Tropical Storm Karen: Gage house – Manuel Rosario, with the Caribbean-Florida Water Science Center, checks the sensors in the gage house September 25.
Stream gaging in PR after Tropical Storm Karen: computing gage height
Stream gaging in Puerto Rico after Tropical Storm Karen: computing gage height – Manual Rosario does some math required to compute the gage height September 25.
Stream gaging in PR after Tropical Storm Karen: recording gage height
Stream gaging in Puerto Rico after Tropical Storm Karen: recording gage height – A ding-wop, a weight attached to measuring devices, was used to measure the gage height, September 25.
Stream gaging in PR after Tropical Storm Karen: staging measurement
Stream gaging in Puerto Rico after Tropical Storm Karen: staging the measurement – Manuel Rosario, with the Caribbean-Florida Water Science Center, stages an acoustic Doppler current profiler (ADCP) to measure high flow September 25.
Stream gaging in PR after Tropical Storm Karen: downstream control
Stream gaging in Puerto Rico after Tropical Storm Karen: downstream control – The pool pictured is almost twice it’s normal size and depth after Tropical Storm Karen passed the island, September 25.
Stream gaging in PR after Tropical Storm Karen: finishing the visit
Stream gaging in Puerto Rico after Tropical Storm Karen: finishing the visit – Manuel Rosario, with the Caribbean-Florida Water Science Center, walks to the gage house after completing a discharge measurement September 25.
Stream gaging in Puerto Rico after Tropical Storm Karen: tethered ADCP
Stream gaging in Puerto Rico after Tropical Storm Karen: tethered ADCP – A tethered acoustic Doppler current profiler (ADCP) is pulled through a cross section of Rio de La Plata near Toa Alta, Puerto Rico, September 25, 2019. Hydrologic technicians with the Caribbean-Florida Water Science Center visited multiple USGS stream gage sites to make high flow
...Stream gaging in Puerto Rico after Tropical Storm Karen: computer
Stream gaging in Puerto Rico after Tropical Storm Karen: computer – Gage height and precipitation data recorded by sensors and measured manually are logged into an electronic notebook, September 25.
Stream gaging in PR after Tropical Storm Karen: Crest Stage Gage
Stream gaging in Puerto Rico after Tropical Storm Karen: Crest Stage Gage – The distance of a cork line from a known gage height is measured September 25. The cork line was left on a crest stage gage after a high flow event.
Jim Smith Inside Lucchetti Dam in Puerto Rico
Jim Smith working on cabling inside of Lucchetti dam in Puerto Rico, assisting the Puerto Rico Strong Motion Program with Hurricane Maria recovery efforts.

USGS participated in the the St. Petersburg Science Festival, an annual event held in downtown St. Petersburg, Florida, that invites local schools and the science-interested public to come explore topics in the fields of Science, Technology, Engineering, Arts, and Mathematics (STEAM).
The Marcellus Shale and Point Pleasant-Utica Shale formations of the Appalachian Basin contain an estimated mean of 214 trillion cubic feet of undiscovered, technically recoverable continuous resources of natural gas, according to new USGS assessments.
Editor’s Note: This story was revised Sept. 10, 2019 to include the later phases of USGS’ response to Hurricane Dorian.
To learn more about USGS’ role providing science to decision makers before, during and after Hurricane Dorian, visit the USGS Hurricane Dorian page at www.usgs.gov/dorian.
To learn more about USGS’ role providing science to decision makers before, during and after Hurricane Dorian, visit the USGS Hurricane Dorian page at www.usgs.gov/dorian.
Editor’s Note: This story was originally published Aug. 29 and was updated Aug. 30 and Aug. 31 to reflect changes in the number and locations of sensor deployments as Hurricane Dorian's forecast track changed.
To learn more about USGS’ role providing science to decision makers before, during and after Hurricane Dorian, visit the USGS Hurricane Dorian page at www.usgs.gov/dorian.
USGS scientists look to the past to learn about the future of Florida mangroves
Though Louisiana landfall is likely, highest waves expected to strike east of the storm
NOAA's annual prediction based on USGS data
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.
Seven months after their home base in the Florida Panhandle was demolished by Hurricane Michael, U.S. Geological Survey sea turtle researchers are headed back into the field on May 1, the start of nesting season for Florida's sea turtles.
To learn more about USGS’ role providing science to decision makers before, during and after Hurricane Florence, visit the USGS Hurricane Florence page at https://www.usgs.gov/florence.
USGS’ preliminary storm trackers show potential for subtle damage in natural areas
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