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: 366
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.

Date published: March 25, 2019
Status: Active

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...

Date published: March 7, 2019
Status: Active

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...

Date published: March 5, 2019
Status: Active

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. 

Date published: March 5, 2019
Status: Active

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. 

Date published: March 4, 2019
Status: Active

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. 

Date published: March 1, 2019
Status: Active

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. 

Filter Total Items: 69
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.

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.

Real time streamflow: Georgia || North Carolina || South Carolina || United States
Other WaterWatch streamflow data 

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

Date published: December 16, 2016

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.

• Go to the Month End Conditions Report Archive

Date published: November 29, 2016

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.

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: 5,187
Publication Thumbnail
Year Published: 2021

Strategic habitat conservation for beach mice: Estimating management scenario efficiencies

The Perdido Key beach mouse (Peromyscus polionotus trissyllepsis), Choctawhatchee beach mouse (P. p. allophrys), and St. Andrew beach mouse (P. p. peninsularis) are 3 federally endangered subspecies that inhabit coastal dunes of Alabama and Florida, USA. Conservation opportunities for these subspecies are limited and costly. Consequently, well‐...

Cronin, James P.; Tirpak, Blair; Dale, Leah L; Robenski, Virginia E; Tirpak, John M.; Marcot, Bruce G.

Publication Thumbnail
Year Published: 2021

Seasonal periphyton response to low-level nutrient exposure in a least disturbed mountain stream, the Buffalo River, Arkansas

Like most streams located in the Ozark Plateaus, the Buffalo River in Arkansas generally has excellent water quality. Water-quality conditions in Big Creek, however, a major tributary of the middle Buffalo River, have been less favorable than that of other Buffalo River tributaries. Concerns regarding the influence of water quality in Big Creek on...

Justus, Billy; Driver, Lucas; Burge, David R. L.

Publication Thumbnail
Year Published: 2021

The impact of ventilation patterns on calcite dissolution rates within karst conduits

Erosion rates in streams vary dramatically over time, as differences in streamflow and sediment load enhance or inhibit erosion processes. Within cave streams, and other bedrock channels incising soluble rocks, changes in water chemistry are an important factor in determining how erosion rates will vary in both time and space. Prior studies in...

Covington, Matthew D.; Knierim, Katherine J.; Young, Holly H; Rodriguez, Josue; Gnoza, Hannah

Publication Thumbnail
Year Published: 2021

Small mammal responses to wetland restoration in the Greater Everglades ecosystem

Wetlands have experienced dramatic losses in extent around the world, disrupting ecosystem function, habitat, and biodiversity. In Florida’s Greater Everglades, a massive restoration effort costing billions of dollars and spanning multiple decades is underway. As Everglades restoration is implemented in incremental projects, scientists and...

Romanach, Stephanie; D'Acunto, Laura; Chapman, Julia; Hanson, Matthew R

Publication Thumbnail
Year Published: 2021

A comparison of plant communities in restored, old field, and remnant coastal prairies

Temperate grasslands are experiencing worldwide declines due to habitat conversion. Grassland restoration efforts are employed to compensate for these losses. However, there is a need to better understand the ecological effects of grassland restoration and management practices. We investigated the effects of three different grassland management...

Feher, Laura; Allain, Larry; Osland, Michael; Pigott, Elisabeth; Reid, Christopher; Latiolais, Nicholas

Publication Thumbnail
Year Published: 2021

Germination potential of baldcypress (Taxodium distichum) swamp soil seed bank along geographical gradients

Changing environments of temperature, precipitation and moisture availability can affect vegetation in ecosystems, by affecting regeneration from the seed bank. Our objective was to explore the responses of soil seed bank germination to climate-related environments along geographic gradients. We collected seed banks in baldcypress (Taxodium...

Lei, Ting; Middleton, Beth

Publication Thumbnail
Year Published: 2021

Carrying capacity of spatially distributed metapopulations

Carrying capacity is a key concept in ecology. A body of theory, based on the logistic equation, has extended predictions of carrying capacity to spatially distributed, dispersing populations. However, this theory has only recently been tested empirically. The experimental results disagree with some theoretical predictions of when they are...

Zhang, Bo; DeAngelis, Don; Ni, Wei-Ming

Publication Thumbnail
Year Published: 2021

Surface 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, Jan

Publication Thumbnail
Year Published: 2021

Resolving species boundaries in the critically imperiled freshwater mussel species, Fusconaia mitchelli (Bivalvia: Unionidae)

Species are a fundamental unit of biology, and defining accurate species boundaries is integral to effective conservation and management of imperiled taxa. Freshwater mussels (Bivalvia: Unionidae) are among the most imperiled groups of organisms in North America, yet species boundaries remain uncertain for many taxa. The False Spike, ...

Smith, Chase H.; Johnson, Nathan; Havlik, Kaitlyn; Doyle, Robert D.; Randklev, Charles R.

Publication Thumbnail
Year Published: 2021

Scientific contributions of the Mangrove Macrobenthos and Management (MMM) conference series, 2000-2019

The conservation of mangrove forests has become an important international policy priority in recent decades, and is mirrored by a large increase in research interest. Multiple disciplines now use mangroves as a study system, from molecular biology to social science. The variety of research conducted in mangroves is exemplified by the Mangrove...

Friess, Daniel A.; Dahdouh-Guebas, Farid; Satyanarayana, Behara; Cannicci, Stefano; Vannini, Marco; Chua, Siew Chin; Duke, Norman; Feller, Ilka C.; Jaafer, Zeehan; Jayatissa, L.P.; Koedam, Nico; Krauss, Ken; Lee, Shing Yip; Mancera Pineda, Jose Ernesto; Ruwa, Renison; Yando, Erik S.

Publication Thumbnail
Year Published: 2020

Mapping Phragmites australis live fractional cover in the lower Mississippi River Delta, Louisiana

In response to a co-occurring non-native scale infestation and Phragmites australis dieback in southeast Louisiana, normalized difference vegetation index (NDVI) satellite mapping was implemented to track P. australis condition in the lower Mississippi River Delta. While the NDVI mapping successfully documented relative condition changes,...

Rangoonwala, Amina; Howard, Rebecca J.; Ramsey III, Elijah W.
Rangoonwala, A., Howard, R.J., and Ramsey, E.W., III, 2020, Mapping Phragmites australis live fractional cover in the lower Mississippi River Delta, Louisiana (ver. 1.1, January 2021): U.S. Geological Survey Open-File Report 2020–1131, 24 p., https://doi.org/10.3133/ofr20201131.

Publication Thumbnail
Year Published: 2020

Underwater photographic reconnaissance and habitat data collection in the Florida Keys—A procedure for ground truthing remotely sensed bathymetric data

Bathymetric geoprocessing analyses of the Florida Reef Tract have provided insights into trends of seafloor accretion and seafloor erosion over time and following major storm events. However, bathymetric surveys sometimes capture manmade structures and vegetation, which do not represent the desired bare-earth data. Therefore, ground truthing is...

Fehr, Zachery W.; Yates, Kimberly K.
Fehr, Z.W., and Yates, K.K., 2020, Underwater photographic reconnaissance and habitat data collection in the Florida Keys—A procedure for ground truthing remotely sensed bathymetric data: U.S. Geological Survey Open-File Report 2020–1118, 13 p., https://doi.org/10.3133/ofr20201118.

Filter Total Items: 500
Stream gaging in Puerto Rico after Tropical Storm Karen: tethered ADCP
September 25, 2019

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
September 25, 2019

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 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.

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.

Congressman Charlie Crist visits the St. Petersburg Coastal and Marine Science Center
May 6, 2019

Congressman Charlie Crist visits the SPCMSC

On May 6, 2019, Congressman Charlie Crist (13th district, FL) and Operations and Outreach Director Mr. Kendrick Lewis will visit the St. Petersburg Coastal and Marine Science Center (SPCMSC). Congressman Crist requested this visit because he is interested to learn more about the Center and to discuss needs/priorities that we may have. (First row, left to right:

...
Filter Total Items: 392
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.

USGS intern Stephanie Pena fills sample bottle with Lake Okeechobee water
October 18, 2018

USGS study of Lake Okeechobee algae gives new insight on South Florida coastal blooms

Map showing new Gulf of Mexico storm tide bracket network
October 10, 2018

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.

Eastern FL Panhandle map of predicted beach erosion, overwash, inundation
October 9, 2018

One-fourth of Florida Panhandle beachfront could be inundated by large storm waves, experts predict

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

 

Map shows 10.3.18 flood event viewer data for Hurricane Florence
October 3, 2018

To learn more about USGS’ role providing science to decision makers before, during and after #Florence, visit the #USGS Hurricane Florence page at https://www.usgs.gov/florence

Photograph of a sonobuoy launch
September 20, 2018

Data acquired by the U.S. Geological Survey on the U.S. Atlantic Margin in August 2018 reveal new information about the distribution of gas hydrates in the sector stretching from the upper continental slope to deep water areas offshore New Jersey to North Carolina.

Hurricane Isaac carousel image
September 11, 2018

Hurricane response crews from the U.S. Geological Survey are installing storm-tide sensors at key locations in Puerto Rico from Cabo Rojo to Naguabo in advance of Hurricane Isaac. Under a mission assignment from the Federal Emergency Management Agency, the USGS plans to deploy about 20 sensors along the island’s coast

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