Unified Interior Regions

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

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Filter Total Items: 5,343
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Year Published: 2019

The hydrologic system of the south Florida peninsula—Development and application of the Biscayne and Southern Everglades Coastal Transport (BISECT) model

The Biscayne and Southern Everglades Coastal Transport (BISECT) model was developed by the U.S. Geological Survey under the Greater Everglades Priority Ecosystem Studies Initiative to evaluate, both separately and in conjunction, the likely effects on surface-water stages and flows, hydroperiod, and groundwater levels and salinity in south Florida...

Swain, Eric D.; Lohmann, Melinda A.; Goodwin, Carl R.
Swain, E.D., Lohmann, M.A., and Goodwin, C.R., 2019, The hydrologic system of the south Florida peninsula—Development and application of the Biscayne and Southern Everglades Coastal Transport (BISECT) model: U.S. Geological Survey Scientific Investigations Report 2019–5045, 114 p., https://doi.org/10.3133/sir20195045.

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Year Published: 2019

The importance of turtle populations to wetland restoration in the upper Mississippi embayment of the Mississippi Alluvial Valley

The Upper Mississippi Embayment (UME) ecoregion covers approximately 141,895 km2 and historically supported 9,712,455 ha of bottomland deciduous forests, swamps, bayous, and rivers. Only about 500 ha (< 0.01%) of pre-settlement bottomland hardwood forest habitat in the Mississippi Alluvial Valley (MAV) in the UME remained by the 1940s because...

Nickerson. Max A; Mitchell, Joseph C.; Glorioso, Brad

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Year Published: 2019

Map of the approximate inland extent of saltwater at the base of the Biscayne aquifer in Miami-Dade County, Florida, 2018

The inland extent of saltwater at the base of the Biscayne aquifer in eastern Miami-Dade County, Florida, was mapped in 2011, and it was mapped in the Model Land Area in 2016. The saltwater interface has continued to move inland in some areas and is now near several active well fields. An updated approximation of the inland extent of saltwater has...

Prinos, Scott T.
Prinos, S.T., 2019, Map of the approximate inland extent of saltwater at the base of the Biscayne aquifer in Miami-Dade County, Florida, 2018: U.S. Geological Survey Scientific Investigations Map 3438, 10-p. pamphlet, 1 sheet, https://doi.org/10.3133/sim3438.

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Year Published: 2019

Estimated use of water in the Cumberland River watershed in 2010 and projections of public-supply water use to 2040

The U.S. Army Corps of Engineers (USACE), Nashville District, is conducting ongoing water-supply analyses of USACE reservoirs in the Cumberland River watershed to identify areas where potential water-resources issues may arise in the future. To assist the USACE in their efforts, the U.S. Geological Survey, in cooperation with the USACE, collected...

Robinson, John A.
Robinson, J.A., 2019, Estimated use of water in the Cumberland River watershed in 2010 and projections of public-supply water use to 2040: U.S. Geological Survey Scientific Investigations Report 2018–5130, 62 p., https://doi.org/10.3133/sir20185130.

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Year Published: 2019

Water resources of Lincoln Parish, Louisiana

Information concerning the availability, use, and quality of water in Lincoln 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 7.76 million gallons per...

White, Vincent E.
White, V.E., 2019, Water resources of Lincoln Parish, Louisiana: U.S. Geological Survey Fact Sheet 2019–3019, 6 p., https://doi.org/10.3133/fs20193019.

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Year Published: 2019

Water resources of Winn Parish, Louisiana

Information concerning the availability, use, and quality of water in Winn 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 2.74 million gallons per day (...

White, Vincent E.
White, V.E., 2019, Water resources of Winn Parish, Louisiana: U.S. Geological Survey Fact Sheet 2019–3022, 6 p., https://doi.org/10.3133/fs20193022.

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Year Published: 2019

Water resources of Franklin Parish, Louisiana

Information concerning the availability, use, and quality of water in Franklin 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 41.79 million gallons per...

White, Vincent E.
White, V.E., 2019, Water resources of Franklin Parish, Louisiana: U.S. Geological Survey Fact Sheet 2019–3021, 6 p., https://doi.org/10.3133/fs20193021.

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Year Published: 2019

Water resources of Madison Parish, Louisiana

Information concerning the availability, use, and quality of water in Madison 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, 50.66 million gallons per day (...

White, Vincent E.
White, V.E., 2019, Water resources of Madison Parish, Louisiana: U.S. Geological Survey Fact Sheet 2019–3018, 6 p., https://doi.org/10.3133/fs20193018.

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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

Filter Total Items: 497

Flooding on the French Broad River

North Carolina saw heavy rainfall in the second half of May 2018 as a result of Subtropical Storm Alberto. These images from the European Space Agency's Sentinel-2B satellite, captured on May 12 and June 1, 2018, highlight flooding along the French Broad River near the Henderson County community of Etowah. 

View of river and bridge from webcam

Big Creek near Alpharetta (02335700)

We have installed a webcam at the Big Creek near Alpharetta to allow you to view, in real time, the current river-stage conditions.

During periods of flooding, the South Atlantic Water Science Center - Georgia will take control of the camera.

Camera is sponsored by the USGS National Streamflow Information Program (

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Little Sugar Creek at Medical Center Drive (02146409)

Little Sugar Creek at Medical Center Drive (02146409)

This camera is a part of the Flood Information and Notification System (FINS) network in Charlotte and Mecklenburg County, NC. The FINS network consists of 54 streamgages and 72 raingages. Most sites in the network are equipped with radio telemetry which log and transmit data in 5-minute intervals. Some sites outside of the City of Charlotte boundary are equipped with

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Daylight and fluorescent images of two coral colonies

Daylight and fluorescent images of two coral colonies, Diploria clivosa (left) and Orbicella faveolata (right) growing on the seawall at Ft. Jefferson, Dry Tortugas National Park. The two colonies are separated by an area of dead coral that has been colonized by algae. In the fluorescent image, red corresponds to chlorophyll and green to GFP. Note that

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Daylight and fluorescent images of a Orbicella faveolata

Daylight and fluorescen images of a Orbicella faveolata coral colony in Dry Tortugas National Park. In this colony, the GFP fluorescence is so intense that it overwhelms the weaker red fluorescence of chlorophyll. 

View of river from webcam

Chattahoochee River at Helen (02330450)

We have installed a webcam at the Chattahoochee River at Helen to allow you to view, in real time, the current river-stage conditions.

During periods of flooding, the South Atlantic Water Science Center - Georgia will take control of the camera.

Camera is sponsored by the USGS National Streamflow Information Program

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Lake Moultrie web cam image

Lake Moultrie Canal at Moncks Corner, SC (02172002)

We have installed a webcam at the Lake Moultrie Tailrace Canal at Moncks Corner, SC to allow you to view, in real time, the current river-stage conditions.

During periods of flooding, the South Atlantic Water Science Center - South Carolina will take control of the camera.

Camera is sponsored by the SC Department of

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Current view of the webcam

McMullen Creek above Lincrest Place (0214668150)

This camera is a part of the Flood Information and Notification System (FINS) network in Charlotte and Mecklenburg County, NC. The FINS network consists of 54 streamgages and 72 raingages. Most sites in the network are equipped with radio telemetry which log and transmit data in 5-minute intervals. Some sites outside of the City of Charlotte boundary are equipped with

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