Unified Interior Regions
Region 2: South Atlantic-Gulf (Includes Puerto Rico and the U.S. Virgin Islands)
Regions L2 Landing Page Tabs
Health Effects and Behavioral Response of Florida Manatees (Trichechus manatus latirostris) to Persistent Algal Bloom and Associated Loss of Seagrass Resources in Brevard County, Florida
USGS researchers are working with partners to assess the health and foraging behavior of Florida manatees in the northern Indian River Lagoon and Banana River, areas that have experienced declining seagrasses due to an extended phytoplankton bloom.
Sea Level and Storm Hazards: Past and Present
Sea level and Storm Hazards: Past and Present is a multidisciplinary study of past changes in sea level. Prehistoric shorelines can be used as a baseline for current and future sea level changes under warmer-than-present climate. Emphasis is placed on looking at sea levels during warm periods of the last 500,000 years as well as how base level changes increase the risk of coastal inundation...
The Nonindigenous Aquatic Species Alert Risk Mapper (ARM)
The Nonindigenous Aquatic Species (NAS) program has developed a new tool, the NAS Alert Risk Mapper (ARM), to characterize waterbodies in the conterminous U.S. and Hawaii at potential risk of invasion from a new nonindigenous species sighting.
Defining Native Ranges of U.S. Inland Fishes
Understanding the native versus non-native range of a species can provide useful information about dispersal, population distribution patterns, and human mediated movement across hydrologic barriers. The USGS Nonindigenous Aquatic Species (NAS) Program is working with partners to define native ranges of inland fishes in the United States to help identify which species should be included in the...
Population Ecology of Florida Manatees
USGS is working with partners to understand how the federally protected Florida manatee population changes over time and responds to threats.
Reconstructing Ocean Circulation & Hydroclimate in the Subtropical Atlantic
Changes in rainfall patterns as a result of anthropogenic climate change are already having large ecological and socioeconomic impacts across the globe. Increases in flood damage, wildfire damage, and agricultural losses can all be attributed to anomalous rainfall events and prolonged droughts across the United States in recent years. Additionally, Atlantic Ocean circulation, which has a large...
Macrofossil and Sediment Processing Laboratory
In the Macrofossil and sediment processing lab we analyze the physical, biological, and geochemical characteristics of peat and sediment samples collected from lake, wetland, and peat cores as proxies for past changes to these depositional environments on timescales of decades to millennia. We primarily study terrestrial wetland ecosystems from subtropical to arctic regions in order to...
Quantitative Framework to Model Risk of Collisions between Marine Wildlife and Boats
Collisons between wildlife and vehicles threaten many species, and can lead to human loss of life, injuries, and loss of property. USGS is developing models to help evaluate the effectiveness of wildlife protection zones and optimize the design of these protected areas.
The Nonindigenous Aquatic Species Flood and Storm Tracker (FaST)
Storm-related flooding can lead to the potential spread of nonindigenous (or non-native) aquatic species into waterways they have not been seen in before. The USGS Nonindigenous Aquatic Species program has developed an innovative mapping tool to help natural resource managers with post-storm nonindigenous aquatic species detection and assessment efforts.
Natural Resource Damage and Assessment (NRDA) Program Monitoring and Adaptive Management
State and Federal agencies are working together to assess the damage caused by the Deepwater Horizon oil spill and to determine appropriate restoration actions to restore natural resources, ecological services, and recreational services injured or lost due to the incident.
A Structured Decision-Making Framework for Controlling, Monitoring, and Containment of Invasive Species through Trapping: An Application to the Argentine Black and White Tegu
USGS is applying decision analysis to identify cost-effective methods for controlling invasive species like the Argentine black and white tegu.
Climate Change Adaptation for Coastal National Wildlife Refuges
National Wildlife Refuges provide habitat for important fish and wildlife species and services that benefit coastal communities, like storm-surge protection. USGS scientists are helping coastal refuges plan for and adapt to sea-level rise.
Real-Time Precipitation Network Mapper
Real-time precipitation data is available in our map-driven application for Georgia and North Carolina. You can use a map to select a precipitation-monitoring site and view precipitation amounts for the previous hours and days. A data table shows precipitation at all sites within the state.
Go to the mapper: Georgia || ...
Rainfall data, maps and resources for Georgia, North and South Carolina
Precipitation data and related rainfall information, for the South Atlantic Water Science Center geographical region (Georgia, North Carolina, South Carolina).
Shift Adjusted Ratings for Georgia, North and South Carolina Stream Gages
Geographical Information Systems (GIS) Resources for Georgia, North and South Carolina
Spatial/GIS data sets
Data Organized by River Basin, in Georgia, North and South Carolina
Field Guide to the Nonindigenous Marine Fishes of Florida
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.
Flood Inundation Mapping
USGS Flood Inundation Maps, along with Internet information regarding current stage from the USGS streamgage, provide emergency management personnel and residents with information that is critical for flood-response activities, such as evacuations and road closures, as well as for post-flood recovery efforts.
Data used for assessing relationships between fish assemblages and acid-base chemistry in streams of the Great Smoky Mountains National Park, 1993-2014
Fish community richness, density, and biomass for entire communities, Brook Trout, Rainbow Trout, and minnows, including site characteristics, and water chemistry (acid neutralizing capacity, pH, nitrate, sulfate, ammonia, calcium, and total aluminum) collected at least once and as many as 13 times at each of 52 stream sites during the same years that fish were inve
North Carolina Monthly Summary Hydrologic Conditions Reports
Monthly summaries are reported for precipitation, streamflow, and groundwater levels for representative sites in a number of regions in North Carolina. Reports are available back to October 2013.
Tennessee Current Water Conditions
See Current Water Conditions for Tennessee using our new interactive map. Here you can find information on Groundwater, Surface Water and Water Quality.
Alabama Current Water Conditions
See Current Water Conditions for Alabama using our new interactive map. Here you can find information on Groundwater, Surface Water and Water Quality.
Hurricane and Flood Response Map Viewer
The USGS Flood Event Viewer (FEV) is the public data discovery component of the Short-Term Network (STN) database. Data viewable and downloadable from this page are from the STN database. This application integrates with the USGS National Water Information System (NWIS) database for display of time-series water data.
Water is one of the most important of Alabama's natural resources. Water is not only a vital component of human existence, it is critical to the overall quality of life. In order to protect and preserve this resource for future generations, we must have a baseline of information to make decisions.
Water is one of the most important of Alabama's natural resources. Water is not only a vital component of human existence, it is critical to the overall quality of life. In order to protect and preserve this resource for future generations, we must have a baseline of information to make decisions.
The goals of the NAWQA program are being achieved through ongoing or planned investigations of 59 of the Nation's most important river and aquifer systems, which are referred to as study units. These study units were selected to represent the diverse geography, water resources, and land and water uses of the Nation. The Mobile River Basin is one such study unit, designed to supplement water.
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Untargeted lipidomics for determining cellular and sub-cellular responses in Zebrafish (Danio rerio) liver cells following exposure to complex mixtures in U.S. streams
Surface waters often contain a variety of chemical contaminants potentially capable of producing adverse outcomes in both humans and wildlife due to impacts from industrial, urban, and agricultural activity. Here, we report the results of a zebrafish liver (ZFL) cell-based lipidomics approach to assess the potential ecotoxicological effects of...
Zhen, Huajun; Teng, Quincy; Mosley, Jonathan D; Collette, Timothy W.; Yue, Yang; Bradley, Paul; Ekman, Drew R. Remote and local drivers of Pleistocene South Asian summer monsoon precipitation: A test for future predictions
South Asian precipitation amount and extreme variability are predicted to increase due to thermodynamic effects of increased 21st-century greenhouse gases, accompanied by an increased supply of moisture from the southern hemisphere Indian Ocean. We reconstructed South Asian summer monsoon precipitation and runoff into the Bay of Bengal to assess...
Clemens, Steven C; Yamamoto, Masanobu; Thirumalai, Kaustubh; Giosan, Liviu; Richey, Julie N.; Nilson-Kerr, Katrina; Rosenthal, Yair; Anand, Pallavi; McGrath, Sarah M
Water resources of St. Landry Parish, Louisiana
Information concerning the availability, use, and quality of water in St. Landry Parish, Louisiana, is critical for proper water-supply management. The purpose of this fact sheet is to present information that can be used by water managers, parish residents, and others for stewardship of this vital resource. In 2014, about 116.75 million gallons...
Lindaman, Maxwell A.; White, Vincent E.
Impacts of sediment removal from and placement in coastal barrier island systems
Executive SummaryOn June 24, 2019, Congressman Raul Grijalva of Arizona, Chair of the House Committee on Natural Resources, sent a letter to the directors of the U.S. Fish and Wildlife Service and the U.S. Geological Survey to request their assistance in answering questions regarding coastal sediment resource management within the Coastal Barrier...
Miselis, Jennifer L.; Flocks, James G.; Zeigler, Sara; Passeri, Davina; Smith, David R.; Bourque, Jill; Sherwood, Christopher R.; Smith, Christopher G.; Ciarletta, Daniel J.; Smith, Kathryn; Hart, Kristen; Kazyak, David; Berlin, Alicia; Prohaska, Bianca; Calleson, Teresa; Yanchis, Kristi
Synthetic aperture radar and optical mapping used to monitor change and replacement of Phragmites australis marsh in the Lower Mississippi River Delta, Louisiana
Synthetic aperture radar (SAR) mapping of density as an enhancement of Phragmites australis optical live fractional cover (LFC) mapping was carried out in the lower Mississippi Delta during 2016 to 2019. Also, as part of the study, the replacement of P. australis with elephant-ear was analyzed. To that end, yearly maps from 2016 to 2019 of L-band...
Ramsey III, Elijah W.; Rangoonwala, Amina Improving species status assessments under the U.S. Endangered Species Act and implications for multispecies conservation challenges worldwide
Despite its successes, the U.S. Endangered Species Act (ESA) has proven challenging to implement due to funding limitations, workload backlog, and other problems. As threats to species survival intensify and as more species come under threat, the need for the ESA and similar conservation laws and policies in other countries to function efficiently...
Noss, Reed; Cartwright, Jennifer M.; Estes, Dwayne; Witsell, Theo; Elliott, Gregg; Adams, Daniel S.; Albrecht, Matthew A.; Boyles, Ryan; Comer, Patrick; Doffitt, Chris; Hill, JoVonn G.; Hunter, William C.; Knapp, Wesley M.; Marshall, Mike; Singhurst, Jason R.; Tracey, Christopher; Walck, Jeffrey L.; Weakley, Alan
Flow characteristics and salinity patterns in tidal rivers within the northern Ten Thousand Islands, southwest Florida, water years 2007–19
Freshwater flow to the Ten Thousand Islands (TTI) estuary has been altered by the construction of the Tamiami Trail and construction of features in the now defunct Southern Golden Gate Estates development. This development included four associated canals that combine into the Faka Union Canal, which discharges into the TTI estuary. The Picayune...
Booth, Amanda C.; Knight, Travis M. Estimating the influence of oyster reef chains on freshwater detention at the estuary scale using Landsat-8 imagery
Oyster reef chains grow in response to local hydrodynamics and can redirect flows, particularly when reef chains grow perpendicular to freshwater flow paths. Singularly, oyster reef chains can act as porous dams that may facilitate nearshore accumulation of fresh or low-salinity water, in turn creating intermediate salinities that support oyster...
Alonso, Alice; Nelson, Natalie G.; Yurek, Simeon; Kaplan, David; Olabarrieta, Maitane; Frederick, Peter C Global commitments to conserving and monitoring genetic diversity are now necessary and feasible
Global conservation policy and action have largely neglected protecting and monitoring genetic diversity—one of the three main pillars of biodiversity. Genetic diversity (diversity within species) underlies species’ adaptation and survival, ecosystem resilience, and societal innovation. The low priority given to genetic diversity has largely been...
Hoban, Sean M.; Bruford, Michael W.; Funk, W. Chris; Galbusera, Peter; Griffith, M. Patrick; Grueber, Catherine E.; Heuertz, Myriam; Hunter, Margaret; Hvilsom, Christina; Stroil, Belma Kalamujic; Kershaw, Francine; Khoury, Colin K.; Laikre, Linda; Lopes-Fernandes, Magarida; MacDonald, Anna J.; Mergeay, Joachim; Meek, Mariah; Mittan, Cinnamon; Mukassabi, Tarek A.; O'Brien, David; Ogden, Rob; Palma-Silva, Clarisse; Ramakrishnan, Uma; Segelbacher, Gernot; Shaw, Robyn E.; Sjögren-Gulve, Per; Velickovic, Nevena; Vernesi, Cristiano
Science needs of southeastern grassland species of conservation concern: A framework for species status assessments
The unglaciated southeastern United States is a biodiversity hotspot, with a disproportionate amount of this biodiversity concentrated in grasslands. Like most hotspots, the Southeast is also threatened by human activities, with the total reduction of southeastern grasslands estimated as 90 percent (upwards to 100 percent for some types) and with...
Noss, Reed F.; Cartwright, Jennifer M.; Estes, Dwayne; Witsell, Theo; Elliott, K. Gregg; Adams, Daniel S.; Albrecht, Matthew A.; Boyles, Ryan; Comer, Patrick J.; Doffitt, Chris; Faber-Langendoen, Don; Hill, JoVonn G.; Hunter, William C.; Knapp, Wesley M.; Marshall, Mike; Pyne, Milo; Singhurst, Jason R.; Tracey, Christopher; Walck, Jeffrey L.; Weakley, Alan
Summary of oceanographic and water-quality measurements offshore of Matanzas Inlet, Florida, 2018
U.S. Geological Survey (USGS) scientists and technical staff deployed instrumented underwater platforms and buoys to collect oceanographic and atmospheric data at two sites near Matanzas Inlet, Florida, on January 24, 2018, and recovered them on April 13, 2018. Matanzas Inlet is a natural, unmaintained inlet on the Florida Atlantic coast that is...
Martini, Marinna A.; Montgomery, Ellyn; Suttles, Steven E.; Warner, John C. Pilot-scale expanded assessment of inorganic and organic tapwater exposures and predicted effects in Puerto Rico, USA
A pilot-scale expanded target assessment of mixtures of inorganic and organic contaminants in point-of-consumption drinking water (tapwater, TW) was conducted in Puerto Rico (PR) to continue to inform TW exposures and corresponding estimations of cumulative human-health risks across the US. In August 2018, a spatial synoptic pilot assessment of...
Bradley, Paul; Padilla, Ingrid Y.; Romanok, Kristin; Smalling, Kelly; Focazio, Michael J.; Breitmeyer, Sara; Cardon, Mary C.; Conley, Justin M.; Evans, Nicola; Givens, Carrie E; Gray, James L.; Gray, L. Earl; Hartig, Phillip C.; Hladik, Michelle; Higgins, Christopher P.; Iwanowicz, Luke R.; Lane, Rachael; Loftin, Keith; McCleskey, R. Blaine; McDonough, Carrie A.; Medlock-Kakaley, Elizabeth; Meppelink, Shannon M.; Weis, Christopher P.; Wilson, Vickie S.
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.
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.
Storm Tide Sensor Installation, Pamlico County, NC
Sean Egen, hydrologic technician, installs a storm tide sensor
at River Dunes Marina in Pamlico County, NC
Scientists track Hurricane Dorian effects on Low Country Coast
A storm-tide sensor deployed on Florida's Indian River Lagoon, at Indian River Drive in St. Lucie County, on Aug. 30, 2019 in preparation for Hurricane Dorian. NOTE: Though the story is about the Carolinas, the photo is from Florida. No photos of the Carolinas deployment were available at the time this story was published.
Outstanding in the Field (Ep 4): Amphibian Surveys – Call of the Frog
The USGS Ecosystems Mission Area brings you Outstanding in the Field, a series of stories about our science, our adventures, and our efforts to better understand our fish and wildlife and the ecosystems that support them. In this episode we describe the USGS’s efforts to track frog populations in the southeast United States.
Lassiter Swamp at Merchants Millpond State Park, NC
Tree-ring analyses from Lassiter Swamp, located along a tributary of the Chowan River, indicate that cypress trees have occupied the site for at least 500 years. To extend the record even farther back in time, scientists from USGS, Duke University and East Carolina University are working together with students at C.S. Brown High School STEM in Winton, NC to study sediment
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Determining Land Change Display with Viewers
Viewers look through several years of change in an interactive display at the USGS Earth Resources Observation and Science Center.
Camera 1 Snapshot at Tres Palmas, Puerto Rico
Video camera snapshot at Tres Palmas in Rincón, on the west coast of Puerto Rico.
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
Editor: In the public interest and in accordance with Federal Aviation Administration regulations, the USGS is announcing this low-level airborne project. Your assistance informing the local communities is appreciated.
USGS study finds most have grown little in 3000 years
To learn more about USGS’ role providing science to decision makers before, during and after Hurricane Michael, visit the USGS Hurricane Michael page at https://usgs.gov/hurricane-michael.
USGS study of Lake Okeechobee algae gives new insight on South Florida coastal blooms
Follow Region 2 activities on social media, get contact information for Region 2 USGS centers, and meet Region 2's staff and center directors.
Contacts
Locations
Wetland and Aquatic Research Center - Gainesville, FL
Phone: 352-378-8181
Fax: 352-378-4956
Lower Mississippi-Gulf Water Science Center - Nashville, TN Office
GS-W-TNnsh Webmaster@usgs.gov
Phone: (615) 837-4700
Fax: (615) 837-4799
Lower Mississippi-Gulf Water Science Center - Montgomery, AL Office
Phone: (334) 395-4131
Fax: (334) 395-4168
Caribbean-Florida Water Science Center - Puerto Rico Office
Phone: (787) 749-7400
Fax: (787) 749-7401
South Atlantic Water Science Center - Raleigh, NC Office
Phone: (919) 571-4000
Fax: (919) 571-4041
South Atlantic Water Science Center - Columbia, SC Office
Phone: (803) 750-6100
Fax: (803) 750-6181
South Atlantic Water Science Center - Norcross, GA Office
Phone: (678) 924-6700
Fax: (678) 924-6710
Caribbean-Florida Water Science Center - Lutz, FL Office
Phone: (813) 498-5000
Fax: (813) 498-5002
St. Petersburg Coastal and Marine Science Center
Phone: (727) 502-8000
Fax: (727) 502-8181
Southeast Climate Adaptation Science Center
South Atlantic Water Science Center - Tifton, GA Field Office
Phone: 229-382-6353
South Atlantic Water Science Center - Charleston, SC Field Office
Phone: 843-670-6275
Lower Mississippi-Gulf Water Science Center - Memphis, TN Office
Phone: 901-678-7287
Fax: 901-678-7300
Lower Mississippi-Gulf Water Science Center - Knoxville, TN Office
rbrendli@usgs.gov
Phone: 865-862-2029
Lower Mississippi-Gulf Water Science Center - Tuscaloosa, AL Office
Phone: 205-348-0950
Caribbean-Florida Water Science Center - Fort Myers, FL Field Office
Phone: (239) 275-8448
Fax: (239) 275-6820
Caribbean Florida Water Science Center - Tallahassee, FL Field Office
Phone: (850) 553-3640
Fax: (805) 553-3641
Caribbean-Florida Water Science Center - Orlando, FL Field Office
Phone: (407) 803-5500
Fax: (407) 803-5501
Caribbean-Florida Water Science Center - Davie, FL Field Office
Phone: (954) 377-5900
Fax: (954) 377-5901
Wetland and Aquatic Research Center - St. John, USVI
South Atlantic Water Science Center - Asheville, NC Field Office
Phone: (828) 684-5905
South Atlantic Water Science Center - Savannah, GA Field Office
Phone: (843) 784-5005
South Atlantic Water Science Center - Charlotte, NC Field Office
Phone: (704) 344-6272
Northern Rocky Mountain Science Center (NOROCK) Southern Appalachian Duty Station
Phone: 865-974-4790
Fax: 865-974-3555
