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: 371
Date published: May 23, 2019
Status: Active

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.

Date published: May 23, 2019
Status: Active

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.

Date published: May 8, 2019
Status: Active

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-...

Date published: April 28, 2019
Status: Completed

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...

Date published: April 5, 2019
Status: Active

LCMAP Change Stories: Alabama Tornadoes

The USGS Land Change Monitoring, Assessment, and Projection initiative aims to identify where the landscape is changing and why.

Date published: April 4, 2019
Status: Active

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. 

Date published: March 28, 2019
Status: Active

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...

Date published: March 26, 2019
Status: Active

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...

Date published: March 26, 2019
Status: Active

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.

Filter Total Items: 71
Date published: May 22, 2017

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.

...

Date published: May 20, 2017

WaterWatch - View streamflow data using maps, graphs, and tables.

WaterWatch is a U.S. Geological Survey Web site that displays maps, graphs, and tables describing real-time, recent, and past streamflow conditions for the United States. The real-time information generally is updated on an hourly basis.

Date published: May 17, 2017

Groundwater Watch - Below Normal Groundwater Levels (GA/NC/SC)

The U.S. Geological Survey has a database/archive of about 850,000 wells across the Nation. A well with below normal groundwater levels is identified when the most recent water-level measurement is in the 24th percentile or lower in the month of measurement over the period of record for the well.

Date published: May 12, 2017

Groundwater Watch - View groundwater data using maps, graphs, and tables.

These "groundwater watch" web pages group related wells and data from these active well networks, and provide basic statistics about the water-level data collected by USGS water science centers for Cooperative Programs, for Federal Programs, and from data supplied to us by our customers through cooperative agreements.

Date published: May 3, 2017

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  ||  ...

Date published: May 2, 2017

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).

Date published: April 5, 2017

Shift Adjusted Ratings for Georgia, North and South Carolina Stream Gages

Use the URL below to view the shift-adjusted rating table for any USGS site. Stage-discharge relationships (ratings) are primarily developed from a graphical analysis of multiple streamflow measurements. 

Replace the ♦♦♦♦♦♦♦♦ with a USGS site number.

Date published: January 30, 2017

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.

Date published: January 3, 2017

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.

Date published: January 1, 2017

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

Filter Total Items: 39
Water use, by county, in Alabama, 2005
September 28, 2005

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. 

Total withdrawals in million gallons per day by watershed
January 1, 2005

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. 

NAWQA-map
September 19, 1996

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.

Filter Total Items: 5,375
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Year Published: 2021

Regeneration trends along climate gradients in Taxodium distichum forests of the southeastern United States

The development of relict vegetation at the edges of some ecosystems has taken place particularly in environments where the regeneration of foundational species is declining. As an important stage of regeneration in the Taxodium distichum, this study explored the relationship of cone volume and seed number across environmental gradients in...

Middleton, Beth; Lei, Ting; Villegas, Omag; Liu, Xiaohui

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Year Published: 2021

Comparison of preservation and extraction methods on five taxonomically disparate coral microbiomes

All animals are host to a multitude of microorganisms that are essential to the animal’s health. Host-associated microbes have been shown to defend against potential pathogens, provide essential nutrients, interact with the host’s immune system, and even regulate mood. However, it can be difficult to preserve and obtain nucleic acids from some...

Pratte, Zoe A.; Kellogg, Christina A.

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Year Published: 2021

An efficient method to calculate depth-integrated, phase-averaged momentum balances in non-hydrostatic models

Analysis of the mean (wave-averaged) momentum balance is a common approach used to explain the physical forcing driving wave set-up and mean currents in the nearshore zone. Traditionally this approach has been applied to phase-averaged models but has more recently been applied to phase-resolving models using post-processing, whereby model output...

da Silva, Renan F.; Rijnsdorp, Dirk P.; Hansen, Jeff E.; Lowe, Ryan J.; Buckley, Mark L.; Zijlema, Marcel

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Year Published: 2021

Genetic structure and diversity of the mustard hill coral Porites astreoides along the Florida Keys reef tract

Increases in local and global stressors have led to major declines in coral populations throughout the western Atlantic. While abundances of other species have declined, however, the relative abundance of the mustard hill coral, Porites astreoides, has increased. Porites astreoides is relatively resilient to some stressors, and...

Gallery, Dominique N.; Green, Michelle L.; Kuffner, Ilsa B.; Lenz, Elizabeth A.; Toth, Lauren T.

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Year Published: 2021

Occurrence and distribution of mercury in streams and reservoirs in the Triangle Area of North Carolina, July 2007–June 2009

During the time period 2001–2006, the U.S. Geological Survey reported mercury-concentration measurements that exceeded the North Carolina water-quality criterion (NCWQC) of 0.012 microgram per liter for total recoverable mercury in streams and reservoirs across the Triangle Area of North Carolina. Mercury data were sparse, however, generally...

McKee, Anna M.; Fitzgerald, Sharon; Giorgino, Mary J.
McKee, A.M., Fitzgerald, S., and Giorgino, M., 2021, Occurrence and distribution of mercury in streams and reservoirs in the Triangle Area of North Carolina, July 2007–June 2009: U.S. Geological Survey Scientific Investigations Report 2021–5027, 42 p., https://doi.org/10.3133/sir20215027.

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Year Published: 2021

Restoration of mangrove forest

Mangrove forests occur worldwide along tropical coasts in inundated soils where primary production and anaerobic conditions contribute to the building of soil organic matter (Also see Mangroves Hot-spot, Volume 2). Note that peat may accumulate in certain coastal mangrove (Middleton and McKee, 2001). The actual amount of soil organic matter stored...

Middleton, Beth; Ward, Eric

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Year Published: 2021

Restoration of organic coastal and inland freshwater forests

Peatland forests occur worldwide in inundated soils where primary production and anaerobic conditions contribute to the building of soil organic matter (Günther et al., 2020). Greenhouse gas emissions (GHG) can be substantial from drained freshwater forests with organic soils. Therefore, rewetting peat via hydrologic restoration (see factsheet n°...

Middleton, Beth; Ward, Eric; Menichetti, Lorenzo

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Year Published: 2021

Estimated water withdrawals and use in Puerto Rico, 2015

Water withdrawals and use in Puerto Rico for 2015 were estimated at 2,372 million gallons per day (Mgal/d), which was 21 percent less than withdrawals and use for 2010. The 2015 total water withdrawal and use estimates were the lowest since 1990 and coincided with a substantial decline of 25 percent in saline-water withdrawals for thermoelectric-...

Molina-Rivera, Wanda L.; Irizarry-Ortiz, Michelle M.
Molina-Rivera, W.L., and Irizarry-Ortiz, M.M., 2021, Estimated water withdrawals and use in Puerto Rico, 2015: U.S. Geological Survey Open-File Report 2021–1060, 38 p., https://doi.org/10.3133/ofr20211060.

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Year Published: 2021

Increasing hydroperiod in a karst-depression wetland based on 165 years of simulated daily water levels

The hydrology of seasonally inundated depression wetlands can be highly sensitive to climatic fluctuations. Hydroperiod—the number of days per year that a wetland is inundated—is often of primary ecological importance in these systems and can vary interannually depending on climate conditions. In this study we re-examined an existing hydrologic...

Cartwright, Jennifer M.; Wolfe, William J.

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Year Published: 2021

Grassland live fractional cover map creation and Geographic Information System (GIS) analysis for rangeland management supporting Kenya Northern Rangelands Trust Conservancies

The handbooks and synchronized MP4 recordings provide hands-on instruction for creating and analyzing vegetation live fractional cover (LFC) maps. The methods and protocols used in the instruction materials follow those developed and recorded in Rangoonwala and Ramsey (2019). The LFC mapping and geographic information system (GIS) analyses...

Rangoonwala, Amina; Ramsey, Elijah
Rangoonwala, A., and Ramsey, E., III, 2021, Grassland live fractional cover map creation and Geographic Information System (GIS) analysis for rangeland management supporting Kenya Northern Rangelands Trust Conservancies: U.S. Geological Survey Report 2021–1001, 59 p., https://doi.org/10.3133/ofr20211001.

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Year Published: 2021

Airborne geophysical surveys of the lower Mississippi Valley demonstrate system-scale mapping of subsurface architecture

The Mississippi Alluvial Plain hosts one of the most prolific shallow aquifer systems in the United States but is experiencing chronic groundwater decline. The Reelfoot rift and New Madrid seismic zone underlie the region and represent an important and poorly understood seismic hazard. Despite its societal and economic importance, the shallow...

Minsley, Burke J; Rigby, James Robert; James, Stephanie R.; Burton, Bethany L.; Knierim, Katherine J.; Pace, Michael; Bedrosian, Paul A.; Kress, Wade

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Year Published: 2021

Climate and the latitudinal limits of subtropical reef development

Climate plays a central role in coral-reef development, especially in marginal environments. The high-latitude reefs of southeast Florida are currently non-accreting, relict systems with low coral cover. This region also did not support the extensive Late Pleistocene reef development observed in many other locations around the world; however,...

Toth, Lauren T.; Precht, William F.; Modys, Alexander B.; Stathakopoulos, Anastasios; Robbart, Martha L.; Hudson, J. Harold; Olenik, Anton E.; Riegl, Bernhard M; Shinn, Eugene A.; Aronson, Richard B.

Filter Total Items: 498
Stream gaging in Puerto Rico after Tropical Storm Karen: Crest Stage Gage
September 25, 2019

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.

Stream gaging in Puerto Rico after Tropical Storm Karen: Gage house
September 25, 2019

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 Puerto Rico after Tropical Storm Karen: computing gage height
September 25, 2019

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 Puerto Rico after Tropical Storm Karen: recording gage height
September 25, 2019

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 Puerto Rico after Tropical Storm Karen: staging the measurement
September 25, 2019

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 Puerto Rico after Tropical Storm Karen: downstream control
September 25, 2019

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.

person in tunnel
September 13, 2019

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. 

Sean Egen, hydrologic technician, installs a storm tide sensor at River Dunes Marina in Pamlico County, NC
September 6, 2019

Storm Tide Sensor Installation, Pamlico County, NC

Sean Egen, hydrologic technician, installs a storm tide sensor
at River Dunes Marina in Pamlico County, NC

Florida waterfront with storm-tide sensor attached to piling
August 30, 2019

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.

An invasive Cuban treefrog in New Orleans, LA.
August 23, 2019

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, North Carolina
August 14, 2019

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

...
Color photo of Land Change interactive display at USGS EROS
August 2, 2019

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.

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Image shows a map of the Eastern United States with the boundaries of the Marcellus Shale superimposed
October 3, 2019

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.

Image shows a satellite image of Hurricane Dorian as it approaches Florida
September 2, 2019

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.

Hurricane Dorian
August 29, 2019

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.

Low-Level Flights in Charleston to Image Buried Faults and Ancient Lava Flows
May 17, 2019

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.

A turtle mosaic made from broken tiles
May 1, 2019

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.

USGS scientists use a boat on a flooded road in North Carolina to measure flood waters from Hurricane Florence.
November 13, 2018

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.

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: 283