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: November 6, 2019
Status: Active

Hotspot and Risk Analysis for Sea Turtles in the Florida Keys National Marine Sanctuary

Researchers will collect location data that will be used to identify areas of high-use for resident sea turtles in the Florida Keys National Marine Sanctuary. 

Date published: October 15, 2019
Status: Active

Spatial Ecology of Bobcats in the Greater Everglades

WARC researchers will estimate the density and distribution of bobcats in relation to environmental variables through the development of spatially explicit capture-recapture and occupancy models.

Date published: October 3, 2019
Status: Active

Topobathymetric Elevation Model of Outer Banks and Pamlico Sound, North Carolina

Pamlico Sound is ecologically important as it is the second largest estuary in the United States, and is the largest lagoon on the U.S. east coast. The sound is separated from the Atlantic Ocean by the Outer Banks, a series of low, sandy barrier islands that are vulnerable to hurricane storm surge and sea-level rise. The seamless high-resolution topobathymetric digital elevation model (TBDEM)...

Date published: September 18, 2019
Status: Active

Topobathymetric Elevation Model of Mobile Bay, Alabama

Mobile Bay is ecologically important as it is the fourth largest estuary in the United States. The Mobile Bay topobathymetric digital elevation model (TBDEM) was developed in collaboration between U.S. Geological Survey (USGS) Coastal and Marine Geology Program (CMGP) and USGS National Geospatial Program (NGP) using a combination of 71 disparate topographic and bathymetric datasets collected...

Date published: September 13, 2019
Status: Active

Hurricane Dorian - Forecast and Documentation of Coastal Change

Hurricane Dorian coastal change forecast and pre- and post-storm photos documenting coastal change.

Contacts: Kara Doran
Date published: September 4, 2019
Status: Active

Real-Time Storm Response

Coastal change forecasts and pre- and post-storm photos documenting coastal change for landfalling storms. Currently responding to Hurricane Dorian.

Contacts: Kara Doran
Date published: August 31, 2019
Status: Active

Hurricane Dorian 2019

The South Atlantic Water Science Center prepares for Hurricane Dorian. 

Date published: August 6, 2019
Status: Completed

Treasure Coast and Central Florida Fish Slams- 2019

In March and June 2019, USGS researchers joined partners in Treasure Coast and Central Florida where they sampled freshwater bodies for non-native fishes. The bi-annual Fish Slam event helps monitor new introductions and document range expansion of known non-native fishes. 

Date published: July 31, 2019
Status: Active

Terrestrial Analog Sample Collections

The Astrogeology Terrestrial Analog Sample Collections include three individual sample collections: the Meteor Crater Sample Collection, the Flynn Creek Crater Sample Collection, and the Shoemaker Sample Collection (embed links to individual pages; add buttons to click to go to individual pages). 

 

Click Related Science tab above to navigate to the individual...

Date published: July 24, 2019
Status: Active

Submerged Aquatic Vegetation Preferences of Fishes in Lake Apopka, Florida

To achieve the adaptive restoration objective of maximizing fish habitat, researchers will sample fish communities in Florida's Lake Apopka to compare between natural submerged aquatic vegetation (SAV), restored SAV, and bare bottom habitat. To undertand SAV preference of juvenile largemouth bass, researchers will conduct controlled experiments. These experiments will help managers select...

Contacts: Stephen Walsh, Ph.D., Audrey Looby, Charles W. Martin, Ph.D., Laura K. Reynolds, Carrie Reinhardt Adams, Ph.D.
Filter Total Items: 71
Date published: January 1, 2019

Projected flood extent polygons and flood depth points based on 10-, 50-, 100-, and 500-year wave-energy return periods, with and without coral reefs, for the State of Hawaii (the islands of Hawaii, Kahoolawe, Kauai, Lanai, Maui, Molokai, Niihau, and Oahu

This part of the data release presents projected flooding extent polygon (flood masks) and flooding depth points (flood points) shapefiles based on wave-driven total water levels for the State of Hawaii (the islands of Hawaii, Kahoolawe, Kauai, Lanai, Maui, Molokai, Niihau, and Oahu). For each island there are 8 associated flood mask and flood depth shapefiles: one for

Date published: January 1, 2019

Projected flood extent polygons and flood depth points based on 10-, 50-, 100-, and 500-year wave-energy return periods, with and without coral reefs, for the Territory of Puerto Rico (the islands of Culebra, Puerto Rico, and Vieques)

This part of the data release presents projected flooding extent polygon (flood masks) and flooding depth points (flood points) shapefiles based on wave-driven total water levels for the Territory of Puerto Rico (the islands of Culebra, Puerto Rico, and Vieques). For each island there are 8 associated flood mask and flood depth shapefiles: one for each four nearshore wave energy

Date published: January 1, 2019

Projected flood extent polygons and flood depth points based on 10-, 50-, 100-, and 500-year wave-energy return periods, with and without coral reefs, for the State Florida (the Florida Peninsula and the Florida Keys)

This part of the data release presents projected flooding extent polygon (flood masks) and flooding depth points (flood points) shapefiles based on wave-driven total water levels for the State Florida (the Florida Peninsula and the Florida Keys). For each island there are 8 associated flood mask and flood depth shapefiles: one for each of four nearshore wave energy return periods %2

Date published: January 1, 2019

Projected flood extent polygons and flood depth points based on 10-, 50-, 100-, and 500-year wave-energy return periods, with and without coral reefs, for the Territory of the U.S. Virgin Islands (the islands of Saint Croix, Saint John, and Saint Thomas)

This part of the data release presents projected flooding extent polygon (flood masks) and flooding depth points (flood points) shapefiles based on wave-driven total water levels for the Territory of the U.S. Virgin Islands (the islands of Saint Croix, Saint John, and Saint Thomas). For each island there are 8 associated flood mask and flood depth shapefiles: one for each four n

Date published: January 1, 2019

Projected flooding extents and depths based on 10-, 50-, 100-, and 500-year wave-energy return periods, with and without coral reefs, for the States of Hawaii and Florida, the Territories of Guam, American Samoa, Puerto Rico, and the U.S. Virgin Islands,

This data release provides flooding extent polygons (flood masks) and depth values (flood points) based on wave-driven total water levels for 22 locations within the States of Hawaii and Florida, the Territories of Guam, American Samoa, Puerto Rico, and the U.S. Virgin Islands, and the Commonwealth of the Northern Mariana Islands. For each of the 22 locations there are eight ass

Date published: October 23, 2018

Presence of Microbes and the Distribution of Climatic, Environmental, and Geochemical Variables

This web application allows users to make comparisons between national scale environmental datasets and Bacillus species and Bacillus anthracis detection results. The datasets include soil physical, chemical, and mineralogical data, current and historical climate data, landcover, and biological surveys.

Date published: October 22, 2018

Airborne electromagnetic and magnetic survey data in Big Cypress National Preserve and Everglades National Park, 2001

Airborne electromagnetic (AEM) and magnetic survey data, a total of 3065 line-kilometers, were collected during October 2001 in two survey blocks and four repeated lines from an earlier survey. The largest area, Block 1 totaling 2692.2 line-kilometers was flown over Big Cypress Preserve, smaller Block 2 along 277.1 line-kilometers was flown near the town of Homestead, and four lines

Filter Total Items: 39
Image of Jordan Lake Watershed biosolids study map
October 19, 2016

Location of the precipitation gage and streamflow and surface water quality monitoring stations in Orange County, North Carolina

North Platte, Nebraska US Topo quadrangle: 2014
September 26, 2016

Network wells depicted on the Climate Response Network location map
Note: Color shading in the table below indicates multiple wells that plot as a single point on the state location map above.
Note: BLS = Water Level in Feet Below Land Surface, RVD = Water Level referenced to a vertical datum

Mobile River Basin Study
September 22, 2016

The Mobile River Basin in Alabama, Georgia, Mississippi, and Tennessee is one of the 59 study units that are part of the U.S. Geological Survey's National Water-Quality Assessment (NAWQA) Program.

Hurricane Louisiana Coast
September 14, 2016

June 1 marks the beginning of hurricane season. Should storms arrive on the Louisiana coast, the people in coastal communities across the State, along with many Federal, State, and local agencies will need to know how the storms are affecting the coastal and low-lying areas.The USGS maintains an extensive network of coastal gages that provides critical time-sensitive water level.

Map of stream gages in the Charlotte-Mecklenburg, North Carolina area
August 1, 2016

There are 54 streamgage sites collecting 5-minute continuous gage height data in the Charlotte-Mecklenburg Network. Of these 54 sites, 44 compute streamflow data as well.

Most sites use line-of-site radios to transmit the data to the USGS within minutes after the data is recorded. These data are loaded in the USGS database and available online soon after.

Rainfall Distribution Map for Charlotte, NC, 2016 April 30th
April 30, 2016

This map is based on data from more than 70 raingages operated by the U.S. Geological Survey in cooperation with the City of Charlotte and Mecklenburg County as part of the Flood Information and Notification System (FINS).

Filter Total Items: 5,375
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Year Published: 2021

Hotspot dune erosion on an intermediate beach

A large, low pressure Nor’easter storm and Hurricane Joaquin contributed to multiple weeks of sustained, elevated wave and water level conditions along the southeastern Atlantic coast of the United States in Fall 2015. Sea level anomalies in excess of 1 m and offshore wave heights of up to 4 m were recorded during these storms, as observed at the...

Cohn, Nicholas; Brodie, Katherine; Johnson, Bradley; Palmsten, Margaret Louise

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Year Published: 2021

Rigorously valuing the coastal hazard risks reduction provided by potential coral reef restoration in Florida and Puerto Rico

The restoration of coastal habitats, particularly coral reefs, can reduce risks by decreasing the exposure of coastal communities to flooding hazards. In the United States, the protective services provided by coral reefs were recently assessed in social and economic terms, with the annual protection provided by U.S. coral reefs off the coasts of...

Storlazzi, Curt D.; Reguero, Borja G.; Cumming, Kristen A.; Cole, Aaron D.; Shope, James B.; Gaido L., Camila; Viehman, T. Shay; Nickel, Barry A.; Beck, Michael W.
Storlazzi, C.D., Reguero, B.G., Cumming, K.A., Cole, A.D., Shope, J.B., Gaido L., C., Viehman, T.S., Nickel, B.A., and Beck, M.W., 2021, Rigorously valuing the coastal hazard risks reduction provided by potential coral reef restoration in Florida and Puerto Rico: U.S. Geological Survey Open-File Report 2021–1054, 35 p., https://doi.org/10.3133/ofr20211054.

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Year Published: 2021

Rigorously valuing the impact of projected coral reef degradation on coastal hazard risk in Florida

The degradation of coastal habitats, particularly coral reefs, raises risks by increasing the exposure of coastal communities to flooding hazards. In the United States, the physical protective services provided by coral reefs were recently assessed, in social and economic terms, with the annual protection provided by U.S. coral reefs off the coast...

Storlazzi, Curt D.; Reguero, Borja G.; Yates, Kimberly K.; Cumming, Kristen A.; Cole, Aaron D.; Shope, James B.; Gaido L., Camila; Zawada, David G.; Arsenault, Stephanie R.; Fehr, Zachery W.; Nickel, Barry A.; Beck, Michael W.
Storlazzi, C.D., Reguero, B.G., Yates, K.K., Cumming, K.A., Cole, A.D., Shope, J.B., Gaido L., C., Zawada, D.G., Arsenault, S.R., Fehr, Z.W., Nickel, B.A., and Beck, M.W., 2021, Rigorously valuing the impact of projected coral reef degradation on coastal hazard risk in Florida: U.S. Geological Survey Open-File Report 2021–1055, 27 p., https://doi.org/10.3133/ofr20211055.

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Year Published: 2021

Rigorously valuing the impact of Hurricanes Irma and Maria on coastal hazard risks in Florida and Puerto Rico

The degradation of coastal habitats, particularly coral reefs, raises risks by increasing the exposure of coastal communities to flooding hazards. In the United States, the physical protective services provided by coral reefs were recently assessed in social and economic terms, with the annual protection provided by U.S. coral reefs off the coasts...

Storlazzi, Curt D.; Reguero, Borja G.; Viehman, T. Shay; Cumming, Kristen A.; Cole, Aaron D.; Shope, James B.; Groves, Sarah H.; Gaido L., Camila; Nickel, Barry A.; Beck, Michael W.
Storlazzi, C.D., Reguero, B.G., Viehman, T.S., Cumming, K.A., Cole, A.D., Shope, J.B., Groves, S.H., Gaido L., C., Nickel, B.A., and Beck, M.W., 2021, Rigorously valuing the impact of Hurricanes Irma and Maria on coastal hazard risks in Florida and Puerto Rico: U.S. Geological Survey Open-File Report 2021–1056, 29 p., https://doi.org/10.3133/ofr20211056.

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Year Published: 2021

A protocol for modelling generalised biological responses using latent variables in structural equation models

In this paper we consider the problem of how to quantitatively characterize the degree to which a study object exhibits a generalized response. By generalized response, we mean a multivariate response where numerous individual properties change in concerted fashion due to some internal integration. In latent variable structural equation modeling (...

Akomolafe, Gbenga; Grace, James; Steiner, Magdalena

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Year Published: 2021

Instrumental variable methods in structural equation models

Instrumental variable regression (RegIV) provides a means for detecting and correcting parameter bias in causal models. Widely used in economics, recently several papers have highlighted its potential utility for ecological applications. Little attention has thus far been paid to the fact that IV methods can also be implemented within structural...

Morrissey, Michael; Grace, James

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Year Published: 2021

Extreme precipitation and flooding contribute to sudden vegetation dieback in a coastal salt marsh

Climate extremes are becoming more frequent with global climate change and have the potential to cause major ecological regime shifts. Along the northern Gulf of Mexico, a coastal wetland in Texas suffered sudden vegetation dieback following an extreme precipitation and flooding event associated with Hurricane Harvey in 2017. Historical salt marsh...

Stagg, Camille; Osland, Michael; Moon, Jena A.; Feher, Laura; Laurenzano, Claudia; Lane, Tiffany C.; Jones, William; Hartley, Stephen

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Year Published: 2021

First documentation of long-distance travel by a Florida manatee to the Mexican Caribbean

West Indian manatees (Trichechus manatus) are separated into two allopatric subspecies: the Florida manatee (T. m. latirostris) and the Antillean manatee (T. m. manatus). In the winter of 2020–2021, an adult manatee was sighted off the coast of Cancun, Quintana Roo, Mexico, in areas where Antillean manatees are not typically seen. The individual...

Castelblanco-Martínez, Nataly; Álvarez-Alemán, Anmari; Torres, Raul; Teague, Amy L.; Barton, Sheri; Rood, Kari A; Ramos, Eric A; Mignucci-Giannoni, Antonio A.

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Year Published: 2021

Identifying climate-resistant vernal pools: Hydrologic refugia for amphibian reproduction under droughts and climate change

Vernal pools of the northeastern United States provide important breeding habitat for amphibians but may be sensitive to droughts and climate change. These seasonal wetlands typically fill by early spring and dry by mid-to-late summer. Because climate change may produce earlier and stronger growing-season evapotranspiration combined with...

Cartwright, Jennifer M.; Morelli, Toni Lyn; Campbell Grant, Evan H.

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Year Published: 2021

Unexpected diversity of Endozoicomonas in deep-sea corals

ABSTRACT: The deep ocean hosts a large diversity of azooxanthellate cold-water corals whose associated microbiomes remain to be described. While the bacterial genus Endozoicomonas has been widely identified as a dominant associate of tropical and temperate corals, it has rarely been detected in deep-sea corals. Determining microbial...

Kellogg, Christina A.; Pratte, Zoe A.

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Year Published: 2021

Gopherus polyphemus (Gopher Tortoise) adult mortality

Gopherus polyphemus has typically high adult survivorship, with some populations reaching a mean annual survivorship of 93.4% (Howell et al. 2019. J. Wildl. Manage. 84:56–65). Instances of adult mortality are not commonly reported outside of large mortality events, and most often result from disease, starvation, dehydration, or chronic stress (...

Palandri, Michael; Lamont, Margaret

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Year Published: 2021

Watershed and estuarine controls both influence plant community and tree growth changes in tidal freshwater forested wetlands along two U.S. mid-Atlantic rivers

The tidal freshwater zone near the estuarine head-of-tide is potentially sensitive to both sea-level rise and associated salinity increases as well as changing watershed inputs of freshwater and nutrients. We evaluated the vegetation response of tidal freshwater forested wetlands (TFFW) to changes in nontidal river versus estuarine controls along...

Noe, Gregory B.; Bourg, Norman A; Krauss, Ken; Duberstein, Jamie A.; Hupp, Cliff R.

Filter Total Items: 498
Map of seismic research site on seafloor off Puerto Rico
April 30, 2020

Scientists find signs of undersea faults off SW Puerto Rico

Locations of multichannel seismic reflection profiles (in black), collected during cruise FA2020-14. The profiles are overlain on colored and shaded multibeam bathymetry, Lidar topography (green and white) and near-shore bathymetry (darker blue), and NOAA coastal relief model (light blue and white). Dashed purple lines – hypothesized faults from the distribution of

...
Four USGS scientists on mountainside with landslides and downed trees
March 18, 2020

On a hillside in Las Marias, USGS scientists examine landslide effects

USGS ground failure experts examine landslides after Hurricane Maria in the municipality of Las Marias, Puerto Rico.

Scientist on research vessel prepares to launch hydrophone
March 5, 2020

Scientist launches instrument used to map seafloor off Puerto Rico

USGS marine technician Wayne Baldwin prepares to deploy the hydrophone array during a seismic research cruise off the southwest coast of Puerto Rico on board the R/V Sultana in March 2020.

Marine technician deploy a hydrophone off Puerto Rico
March 5, 2020

USGS marine technicians launch a hydrophone off Puerto Rico seafloor

USGS marine technicians Alex Nichols (L) and Eric Moore (R) deploy the hydrophone array on a seismic research cruise off the southwest coast of Puerto Rico aboard the R/V Sultana in March 2020.

USGS technicians launch "sparker" used in seafloor mapping
March 5, 2020

Three scientists launch a "sparker" used in seafloor mapping

USGS research geologist Jason Chaytor (L) and marine technicians Alex Nichols (center) and Eric Moore (R) deploy the “sparker” sound source on a seismic research cruise off the southwest coast of Puerto Rico aboard the R/V Sultana in March 2020.

click on image for full description
January 29, 2020

2020 Southwest Puerto Rico Earthquake Sequence (Jan 29, 2020)

The U.S. Geological Survey has released a report on the potential duration of aftershocks of the 2020 Southwest Puerto Rico earthquake sequence (series) to guide public policy decisions, other actions, and help people stay safe and care for themselves and each other.

i) AFTERSHOCK FORECAST*
Aftershocks are normal and some will be larger than others, but there

...
click on image for full description
January 29, 2020

Secuencia del Terremoto del 2020 en el Suroeste de Puerto Rico

El Servicio Geológico de los EE. UU. ha publicado un informe sobre la duración potencial de las réplicas de la secuencia (serie) del terremoto del Suroeste de Puerto Rico en el 2020 que puede ser usado como guía en las decisiones de política pública, otras acciones y ayudar a las personas a mantenerse seguras y cuidarse a sí mismas y a los demás.

 

i

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Dianne López-Trujillo with Lynne Carrier, FEMA translator.
January 28, 2020

Dianne López-Trujillo with Lynne Carrier, FEMA translator

Dianne López-Trujillo with Lynne Carrier, FEMA translator.

The USGS Recognizes Dianne Lopez-Trujillo During Hispanic Heritage Month

What happens when a 6.4 magnitude earthquake strikes Puerto Rico and the public needs critical information? How does a mostly English-speaking science agency reach a mostly Spanish-speaking public?

The USGS relies on its

...
Congressional event following the 6.4 earthquake in Puerto Rico
January 19, 2020

Congressional event following the 6.4 earthquake in Puerto Rico

Congressional event following the 6.4 earthquake in Puerto Rico held on Jan. 20, 2020. Dr. Jonathan Godt (USGS) and Dr. Elizabeth A. Vanacore (Red Sismica Puerto Rico) answered questions to congressmen: Yauco's major, Bill Posey, Jenniffer González Colón, Stephanie Murphy, Donna Shalala

Congressional event following the 6.4 earthquake in Puerto Rico
January 19, 2020

Congressional event following the 6.4 earthquake in Puerto Rico

Overview of the Congressional event following the 6.4 earthquake in Puerto Rico. Bottom of picture: congressmen. Center: Dianne Lopez, Lindsay Davis, Donyelle Davis

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USGS team with Wanda Vazquez-Garced, governor of Puerto Rico
October 7, 2020

What happens when a 6.4 magnitude earthquake strikes Puerto Rico and the public needs critical information? How does a mostly English-speaking science agency reach a mostly Spanish-speaking public?

Map of Earth MRI critical minerals projects in Texas
September 29, 2020

A total of $134,453 will fund new research and preserve important data across the Lone Star State

hurricanes and tropical storms in 9.15.2020 NOAA satellite image
September 15, 2020

Laura and Sally affecting Gulf Coast, waves from Paulette and Teddy to strike Atlantic beaches

To learn more about USGS’s role in providing science to decision-makers before, during and after Hurricane Sally, visit usgs.gov/sally.

A screenshot of the Coastal Change Hazards Portal for Hurricane Laura showing red lines on gulf coast where change is likely.
August 26, 2020

Some erosion likely for nearly one-half of sandy shorelines from East Texas to Alabama

Editor's Note: This updated story reflects today's coastal change forecast and includes a new map.

 

To learn more about USGS’s role in providing science to decision makers before, during and after Hurricane Laura, visit www.usgs.gov/laura

An image of a map of North Carolina that shows where a 5.1 magnitude earthquake struck August 9, 2020.
August 9, 2020

A magnitude 5.1 earthquake struck near Sparta, North Carolina August 9, 2020 at 8:07 a.m. Eastern Daylight Time. Seismic instruments indicate the earthquake originated at a depth of about 2.3 miles. The USGS currently estimates there is a low likelihood of casualties or damage from this earthquake.

Image shows USGS field crew conducting measurements on flooding streams
August 4, 2020

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

An image of the USGS Coastal Change Hazards portal showing risks of erosion along Atlantic Coast caused by TS Isaias.
August 1, 2020

Wave-driven flooding behind dunes unlikely on SE Atlantic coast, USGS predicts

This news release was updated August 3 based on the latest coastal change forecast.

To learn more about USGS’s role providing science to decision makers before, during and after Tropical Storm Isaias, visit https://www.usgs.gov/isaias.

 

Invasive Burmese Python
July 10, 2020

Washington – Today, the U.S. Geological Survey (USGS), U.S. National Park Service (NPS), U.S. Fish and Wildlife Service (FWS) and Conservancy of Southwest Florida announced they have teamed up to radio-track Burmese pythons in Big Cypress National Preserve, Crocodile Lake National Wildlife Refuge and other areas of Southwest Florida.

An animated satellite image showing Tropical Storm Bertha forming off the coast of South Carolina.
May 27, 2020

The 2020 Atlantic hurricane season starts June 1, and the U.S. Geological Survey is prepared to provide science that can help guide efforts to protect lives and property if a major storm makes landfall this season.

Follow Region 2 activities on social media, get contact information for Region 2 USGS centers, and meet Region 2's staff and center directors. 

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