Unified Interior Regions
Region 2: South Atlantic-Gulf (Includes Puerto Rico and the U.S. Virgin Islands)
Regions L2 Landing Page Tabs
Reference and Potential Evapotranspiration
Evapotranspiration can be computed as reference, potential, or actual evapotranspiration. Reference evapotranspiration is that from a grass surface that is well-watered. Potential evapotranspiration is that from a surface that has unlimited water (such as a lake).
Reference and potential evapotranspiration are computed at a 2-kilometer spatial resolution and daily timestep for the...
Characteristics of flow through the Franklin lock and their effects on downstream water-quality
The USGS completed a study to investigate correlations between flow rates and volumes through the W.P. Franklin Lock and Dam and water-quality constituents inside the J.N. "Ding" Darling National Wildlife Refuge from March 2010 to December 2013. Scientific Investigations Report 2016-5033, authored by Amanda Booth, Lars Soderqvist, and Travis Knight, summarizes the results of the study. A...
Geographic Information Systems (GIS)
Maps are an integral part of water-science activities and the Caribbean Florida Water Science Center utilizes and produces maps for all types of hydrologic projects and in information dissemination. Maps are also helpful for providing the user with a geographical reference to our water information.
Water-Quality for Florida
The U.S. Geological Survey provides scientific and technical expertise, leadership, and coordination in addressing issues concerning the quality of the Nation's water resources. Our scientists:
- Collect, analyze, and interpret water-quality data,
- Engage in field and laboratory research and methods development,
- Work with local, State, and Federal agencies and the ...
Water Quality for Puerto Rico
The U.S. Geological Survey operates and maintains approximately 7,300 streamgages nationwide, 194 in Puerto Rico, which provide long-term, accurate, and unbiased information that meets the needs of many diverse users. The USGS collects the streamflow data needed by Federal, State, and local agencies for planning and operating water-resources projects and regulatory programs.
The links...
Hurricanes
Preventing flood hazards, such as hurricane-induced tidal surge, from becoming human disasters requires an understanding of the relative risks floods pose to specific communities and knowledge of the processes by which flood waters rise, converge, and abate. Historically, hurricane-induced tidal surge has been documented through measurement of high-water marks left on structures or vegetation...
Effects of hydrologic system alterations on salinity in the Biscayne aquifer in Broward Co.
To address concerns about the effects of water-resource management practices and rising sea level on saltwater intrusion, the U.S. Geological Survey in cooperation with the Broward County Environmental Planning and Community Resilience Division, initiated a study to examine causes of saltwater intrusion and predict the effects of future alterations to the hydrologic system on salinity...
Mapping water levels in the Biscayne aquifer
To help inform decisions necessary for urban planning and development, Miami-Dade County Department of Regulatory and Economic Resources partnered with USGS to produce statistical analyses and maps representing mean, high, and low water-level conditions in the surface water and groundwater of Miami-Dade County.
Dam Failure Analysis for the Lago El Guineo Dam, Puerto Rico
The USGS Scientific Investigations Report 2016-5070 describing a hydrologic and hydraulic study to assess the potential hazard to human life and property associated with the hypothetical failure of the Lago El Guineo Dam was completed by the USGS in cooperation with the Puerto Rico Electric Power Authority.
Evapotranspiration and Carbon-Flux Network
The U.S. Geological Survey Florida Evapotranspiration Network is a network of 15 data collection sites representing various land cover types, which provide long-term, accurate, and unbiased information that meets the needs of many diverse users. The USGS collects the evapotranspiration data needed by Federal, State, and local agencies for planning and operating water-resources projects and...
CFWSC Science Highlights
The purpose of this section is to draw your attention to important information that the CFWSC are conducting in your city.
Hurricane Michael - Forecast and Documentation of Coastal Change
Hurricane Michael coastal change forecast and pre- and post-storm photos documenting coastal change.
Science Data Integration and Delivery
Consistent synthesis, integration, storage, and availability of fundamental data is critical to meeting the needs of USGS Science. We develop databases for hydrography, topography, invasive species, water resources, and many other datasets utilized by resource managers. Our National Geospatial Program uses partnerships and data collection through a network assigned to the Southeast Region...
Across Trophic Level System Simulation for the Freshwater Wetlands of the Everglades and Big Cypress Swamp
Across Trophic Level System Simulation (ATLSS) is a project to develop a set of models for the Everglades and Big Cypress Swamp of South Florida. The models will support studies "to compare the future effects of alternative hydrologic scenarios on the biotic components of the system."
Streamflow and fish community diversity data for use in developing ecological limit functions for the Cumberland Plateau, northeastern Middle Tennessee and southwestern Kentucky, 2016
Information contained within this dataset represents values of basin characteristics (see Table II in Knight and others, 2012), estimates of streamflow characteristics, measures of individual and cumulative departure of streamflow characteristics from reference hydrologic conditions, and fish species richness for 138 sites in the study area.
Coastal and Marine Geology Program video and photograph portal
This portal contains video and photography of the seafloor and aerial imagery along much of the coastal U.S. For the first time, this portal makes many video and photo datasets available to explore in an easy-to-use geospatial viewer. This portal was originally developed to serve imagery from the USGS's Coastal and Marine Hazards and Resources Program Seafloor Mapping projects and Hurricane...
Mangrove Secrets
The Sheltered Corals of Hurricane Hole, US Virgin Islands
Real-time streamflow compared to historical streamflow (Tennessee)
Map of real-time streamflow compared to historical streamflow for the day of the year (Tennessee)
Geological Survey of Alabama - Downloadable GIS datasets
Spatial/GIS data sets for Alabama are available numerous spatial data clearinghouses. Spatial/GIS data sets for USGS studies that include Alabama or include parts of Alabama are also available from USGS.
Downloadable GIS Datasets, OGB GIS Datasets, Digital Raster Graphics (DRG), 1:24000 DRG, 1:100000 DRG, 1:250000 DRG, Hazards GIS Data, Hazards Data Water GIS Data, HUC 11 Watersheds
Triangle Area Water Supply Monitoring Project, North Carolina—Summary of monitoring activities, quality assurance, and data, October 2017–September 2019
Surface-water supplies are important sources of drinking water for residents in the Triangle area of North Carolina, which is located within the upper Cape Fear and Neuse River Basins. Since 1988, the U.S. Geological Survey and a consortium of local governments have tracked water-quality conditions and trends in several of the area’s water-supply...
Pfeifle, Cassandra A.; Cain, Jessica L.; Rasmussen, Ryan B.
Authors’ reply to letter to the editor: Continued improvement to genetic diversity indicator for CBD
We appreciate the encouraging response to our call for indicators for genetic diversity within the post-2020 Global Biodiversity Framework of the Convention on Biological Diversity, CBD (Laikre et al. 2020; Hoban et al. 2020). In agreement with us, Frankham (2021) highlights the urgent necessity for the CBD to include an indicator that...
Laikre, Linda; Hohenlohe, Paul A.; Allendorf, Fred W.; Bertola, Laura D.; Breed, Martin F; Bruford, Michael W.; Funk, W. Chris; Gajardo, Gonzalo; González-Rodríguez, Antonio; Grueber, Catherine E.; Hedrick, Philip W; Heuertz, Myriam; Hunter, Margaret; Johannesson, Kerstin; Liggins, Libby; MacDonald, Anna J.; Mergeay, Joachim; Moharrek, Farideh; O’Brien, David; Ogden, Rob; Orozco-terWengel, Pablo; Palma-Silva, Clarisse; Pierson, Jennifer; Paz-Vinas, Ivan; Russo, Isa-Rita M; Ryman, Nils; Segelbacher, Genot; Sjögren-Gulve, Per; Waits, Lisette P; Vernesi, Cristiano; Hoban, Sean M.
USGS National Water Quality Monitoring Network
What is the U.S. Geological Survey National Water Quality Monitoring Network?Understanding the water quality of U.S. streams and rivers requires consistent data collection and analysis over decades. The U.S. Geological Survey’s (USGS) National Water Quality Network (NWQN) was established to facilitate national-scale understanding of surface-water...
Riskin, Melissa L.; Lee, Casey J.
EverForecast—A near-term forecasting application for ecological decision support
The Everglades Forecasting application (EverForecast) provides decision makers with a support tool to examine optimal allocations of water across the managed landscape while explicitly quantifying the conflicting needs of multiple species. Covering the Greater Everglades (a vast, subtropical wetland ecosystem in South Florida), EverForecast...
Haider, Saira M.; Romañach, Stephanie S.; McKelvy, Mark; Suir, Kevin J.; Pearlstine, Leonard
Executive summary and annotated bibliography of selected references from “Microbial and viral indicators of pathogens and human health risks from recreational exposure to waters impaired by fecal contamination” with related project ideas for Gwinnett County, Georgia
This document was prepared in cooperation with Gwinnett County, Georgia, to supplement the journal article “Microbial and Viral Indicators of Pathogens and Human Health Risks from Recreational Exposure to Waters Impaired by Fecal Contamination” (published in Journal of Sustainable Water in the Built Environment). The document includes an executive...
McKee, Anna M.; Cruz, Marcella A.
Water resources of St. Martin Parish, Louisiana
Information concerning the availability, use, and quality of water in St. Martin 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 46.99 million gallons...
Lindaman, Maxwell A.; White, Vincent E.
Water resources of Iberville Parish, Louisiana
Information concerning the availability, use, and quality of water in Iberville 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 589.87 million...
Lindaman, Maxwell A.; White, Vincent E. Genetics as a tool for conservation and management of West Indian manatee populations in Brazil
A study conducted by the National Center for Research and Conservation of Aquatic Mammals (CMA), United States Geological Survey Wetland and Aquatic Research Center, and partner researchers found that the marine Antillean manatee (Trichechus manatus manatus) has low genetic diversity in regions where there are territorial interfaces with the...
Luna, Fabia; Beaver, Caitlin; Nourisson, Coralie; Bonde, Robert; Attademo, Fernanda L. N.; Miranda, Adriana V.; Torres-Florez, Juan P.; de Sousa, Glaucia P.; Passavante, José Z.; Hunter, Margaret Regional-scale variability in the movement ecology of marine fishes revealed by an integrative acoustic tracking network
Marine fish movement plays a critical role in ecosystem functioning and is increasingly studied with acoustic telemetry. Traditionally, this research has focused on single species and small spatial scales. However, integrated tracking networks, such as the Integrated Tracking of Aquatic Animals in the Gulf of Mexico (iTAG) network, are building...
Lowerre-Barbieri, Susan K.; Friess, Claudia; Lowerre-Barbieri, Susan K.; Poulakis, Gregg R.; Hammerschlag, Neil; Gardiner, Jayne M.; Kroetz, Andrea M.; Bassos-Hull, Kim; Bickford, Joel; Bohaboy, Erin C.; Ellis, Robert D.; Menendez, Hayden; Patterson, William F.; Price, Melissa E.; Rehage, Jennifer S.; Shea, Colin P.; Smukall, Matthew J.; Walters Burnsed, Sarah; Wilkinson, Krystan A.; Young, Joy; Collins, Angela B.; DeGroot, Breanna C.; Peterson, Cheston T.; Purtlebaugh, Caleb; Randall, Michael T.; Scharer, Rachel M.; Schloesser, Ryan W.; Wiley, Tonya R.; Alvarez, Gina A.; Danylchuk, Andy J.; Fox, Adam G.; Hill, Ashley; Grubbs, R. Dean; Locascio, James V.; O’Donnell, Patrick M.; Skomal, Gregory B.; Griffin, Lucas P.; Whoriskey, Fred G. Habitat suitability index model improvement recommendations
As part of the model improvement effort for the 2023 Coastal Master Plan, the Habitat Suitability Index (HSI) models used during previous master plans were reevaluated to assess how the model relationships could be improved, and to determine what species should be included in the master plan analyses. This process considered the technical reviews...
Sable, Shaye E.; Lindquist, David C.; D'Acunto, Laura; Hijuelos, Ann; LaPeyre, Megan K.; O'Connell, Ann M.; Robinson, Elizabeth M. Habitat suitability index model improvements
Habitat suitability index (HSI) models were developed for the 2023 Coastal Master Plan to evaluate the potential effects of coastal restoration and protection projects on habitat for key coastal fish, shellfish, and wildlife species. These species included: eastern oyster, brown shrimp, white shrimp, blue crab, crayfish, gulf menhaden, spotted...
Lindquist, David C.; Sable, Shaye E.; D'Acunto, Laura; Hijuelos, Ann; Johnson, Erik I.; Langlois, Summer R.M; Michel, Nicole L.; Nakashima, Lindsay; O’Connell, Ann M.; Percy, Katie L.; Robinson, Elizabeth M. Making restoration meaningful: A vision for working at multiple scales to help secure a future for coral reefs
No abstract available.
Kaufman, Les; Kuffner, Ilsa B.; Moore, Tom; Vardi, Tali
Collecting a core from a reef
Two divers work to collect a long core sample from a coral reef in Florida.
Mangroves Surrounding a Playa, Florida Bay 2018
Mangroves on the outside of a playa within Florida Bay.
Cuban treefrog - Osteopilus septentrionalis
Can you hear the difference between the non-native Cuban treefrog and two common Louisiana native treefrogs? Cuban treefrogs’ call is distinctive. Biologist Paul Moler of the Florida Fish and Wildlife Conservation Commission recorded them in South Florida. Credit: Paul Moler, used with permission.
Mangroves Surrounding a Playa, Florida Bay 2018
Mangroves on the outside of a playa within Florida Bay.
Green treefrog - Hyla cinerea
Green treefrogs call from their favorite habitat, rivers and lakes. They’re native to Louisiana and Florida, where these were recorded. Credit: Paul Moler, used with permission.
Florida Bay at Sunset, 2018
After a long day collecting cores, the team of scientists watch the sun set over the Florida Bay.
Squirrel treefrog - Hyla squirella (Marion)
Squirrel treefrogs are also native to Florida and Louisiana. Hear them calling from ditches, puddles and other ephemeral pools of water. Credit: Paul Moler, used with permission.
Mangroves Surrounding a Playa, Florida Bay 2018
Mangroves grow along the outside of a playa, one of may in the Florida Bay area.
USGS aerial imaging mapping team
USGS unmanned aerial system (uas) mapping team on the beach in Dauphin Island, Alabama
Perspective lidar view of coastal bathymetry at St. Thomas, USVI
Perspective view of coastal bathymetry looking onshore, St. Thomas, US Virgin Islands, mapped using lidar and depicted with false-color, showing detailed submerged features, including coral reefs.
Groundwater can flow out of the ground back to land surface.
My neighbor's driveway with some water on it... not very exciting, but it is an excellent example of how groundwater flows underground and can seep back to the land surface. This simple process demonstrates one of the basic aspects of the water cycle.
This picture really demonstrates why there is water in many streams even after long periods of no rainfall. You
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Isla Verde Video Camera 4 Variance Image
Variance image of Isla Verde in San Juan, Puerto Rico, from a coastal video monitoring station. Image is compiled from 10 minutes of video and shows areas of more movement as brighter colors.
It may be hard to believe the legend that sailors long-at-sea once considered manatees to be mermaids. The manatee nickname – the “Sea Cow” – which comes from the herbivores’ affinity for grazing on vegetation and their slow, ambling way just makes more sense. But a U.S. Geological Survey video reveals that while they may be cow-like, they also have more than a bit of the magical mermaid to them.
U.S. Geological Survey field crews in Puerto Rico are rapidly repairing the damage wrought by Hurricanes Irma and Maria, tracking the scope of storm floods, and documenting the new contours of rivers re-sculpted by floodwaters and mountains re-shaped by landslides.
Coral reef expert Caroline Rogers was the only USGS employee in the Virgin Islands when the Category 5 storm hit.
A recent study led by the U.S. Geological Survey in cooperation with the National Park Service found dozens of contaminants within the protected areas of Congaree National Park in South Carolina.
Reporters: Do you want to accompany a USGS field crew as they work in the field to document how high the flood waters and storm surge from Hurricane Irma reached around the Jacksonville, Tampa and Fort Myers Areas?
If so, please contact Jeanne Robbins, jrobbins@usgs.gov, 919-571-4017.
To learn more about USGS’ role providing science to decision makers before, during and after Hurricane Maria, visit the USGS Hurricane Maria page at https://www.usgs.gov/maria.
Editor’s note: this news release will be updated online with more information on the streamgage records being set in Florida as it becomes available
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.
To learn more about USGS’ role providing science to decision makers before, during and after Hurricane Irma, visit the USGS Hurricane Irma page.
To learn more about USGS’ role providing science to decision makers before, during and after Hurricane Irma, visit the USGS Hurricane Irma page.
To learn more about USGS’ role providing science to decision makers before, during and after Hurricane Irma, visit the USGS Hurricane Irma page.
A carbonatite here, a glacial moraine there, a zig-zagging fault or two, even a behemoth of a batholith. The geology of the 50 States is an enormous patchwork of varied forms, beautiful in their variance but challenging to present as a single map.
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
