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: 337
Province 5066 Cincinnati Arch, National Oil and Gas Assessments
Date Published: December 7, 2018
Status: Active

Cincinnati Arch Oil and Gas Assessments

The U.S. Geological Survey completed the following assessments of undiscovered oil and gas resources of the Cincinnati Arch Province (5066) :

 

Province 5062 Arkoma Basin, National Oil and Gas Assessments
Date Published: December 7, 2018
Status: Active

Arkoma Basin Oil and Gas Assessments

The U.S. Geological Survey completed the following assessments of undiscovered oil and gas resources of the Arkoma Basin Province 5062:

FL_PR
Date Published: December 6, 2018
Status: Active

Real-time and Historical Data

These pages provide access to water-resources data collected at approximately 1.9 million sites in all 50 states, the District of Columbia, Puerto Rico, the Virgin Islands, Guam, American Samoa and the Commonwealth of the Northern Mariana Islands. Online access to this data is organized around the categories listed at the bottom.

The USGS investigates the occurrence, quantity, quality...

Surface Water Station
Date Published: December 3, 2018
Status: Active

Real-Time Data Links

The U.S. Caribbean-Florida Water Science Center operates and maintains approximately 929 real-time sites in Florida, Puerto Rico, and U.S. Virgin Islands 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...

Contacts: Richard L Kane
Province 5065, Black Warrior Basin, Oil and Gas Assessments
Date Published: November 30, 2018
Status: Completed

Black Warrior Basin Oil and Gas Assessments

The U.S. Geological Survey completed the following assessments of undiscovered oil and gas resources of the Black Warrior Basin Province 5065:

Province 5064, Illinois Basin, Oil and Gas Assessments
Date Published: November 30, 2018
Status: Active

Illinois Basin Oil and Gas Assessments

The U.S. Geological Survey completed the following assessments of undiscovered continuous oil and gas resources of the  Illinois Basin Province 5064:

An image of USGS research drilling rig on side of U.S. Route 90 in Kinney County, Texas.  The sky is streaked with clouds.
Date Published: November 29, 2018
Status: Active

Gulf Coast Petroleum Systems Project - Research

This site highlights the research on the processes that impact the formation, accumulation, occurrence and alteration of hydrocarbon energy resources of the Gulf Coast of Mexico.  This portion of the project also conducts assessments of undiscovered, technically recoverable hydrocarbon resources (click here for...

Canoe coring platform in Potomac River
Date Published: November 28, 2018
Status: Active

Natural Drought and Flood Histories from Lacustrine Archives

Previous work performed as part of the USGS Holocene Synthesis project illuminated complex centennial-scale patterns of drought and wetter-than-average conditions across the North American continent interior during the past two millennia, where paleorecord data coverage is sparse.  In order to explain the patterns of naturally-occurring drought, floods, and storms for the past, identified by...

A colony of cyanobacteria cells from Lake Okeechobee, Florida
Date Published: November 27, 2018
Status: Completed

Understanding Drivers of Cyanotoxin Production in the Lake Okeechobee Waterway

The U.S. Geological Survey (USGS) and other researchers combined field and laboratory approaches in two studies to understand the factors that drive cyanobacterial bloom development and associated cyanotoxin production in Lake Okeechobee, the St. Lucie River and Estuary, and the Indian River Lagoon in response to the large-scale Lake Okeechobee cyanobacteria bloom in 2016.

Fossil-rich sediment profile with hammer.
Date Published: November 12, 2018
Status: Active

Geological Investigations of the Neogene

More than a third of the United States population lives in counties directly on the shoreline, making them vulnerable to hazards associated with changing sea level and storm surges associated with hurricanes and severe storms. The geologic record contains many examples of past intervals of warm climate and high sea level. "Geological Investigation of the Neogene" is examining proxy records of...

Xenoliths of metagraywacke/biotite gneiss in the Toluca Granite contain an early foliation. A hammer lies on top for reference.
Date Published: October 26, 2018
Status: Active

Blue Ridge and Inner Piedmont Geologic Mapping

The Blue Ridge and Inner Piedmont Geologic Mapping Task (BRIP) is the western focus of geologic mapping and framework studies of the Piedmont and Blue Ridge Project. BRIP will conduct modern geologic mapping and geologic framework studies in the Wytheville, Hickory and Boone 30x60-min. sheets. Collectively, the objectives of BRIP are to (1) characterize the geologic framework of the Blue Ridge...

Contacts: Arthur Merschat
Filter Total Items: 4,923
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Year Published: 2019

Hurricane Matthew: Predictions, observations, and an analysis of coastal change

Hurricane Matthew, the strongest Atlantic hurricane of the 2016 hurricane season, made land-fall south of McClellanville, S.C., around 1500 Coordinated Universal Time (UTC) on October 8, 2016. Hurricane Matthew affected the States of Florida, Georgia, South Carolina, and North Carolina along the U.S. Atlantic coastline. Numerous barrier islands...

Birchler, Justin J.; Doran, Kara S.; Long, Joseph W.; Stockdon, Hilary F.
Birchler, J.J., Doran, K.S., Long, J.W., and Stockdon, H.F., 2019, Hurricane Matthew—Predictions, observations, and an analysis of coastal change: U.S. Geological Survey Open-File Report 2019–1095, 37 p., https://doi.org/10.3133/ofr20191095.

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Year Published: 2019

Adapterama II: Universal amplicon sequencing on Illumina platforms (TaggiMatrix)

Next-generation sequencing (NGS) of amplicons is used in a wide variety of contexts. In many cases, NGS amplicon sequencing remains overly expensive and inflexible, with library preparation strategies relying upon the fusion of locus-specific primers to full-length adapter sequences with a single identifying sequence or ligating adapters onto PCR...

Glenn, Travis C; Pierson, Todd W; Bayona-Vásquez, Natalia J; Kieran, Troy J.; Hoffberg, Sandra L.; Thomas, Jesse; Lefever, Daniel E.; Finger Jr., John W.; Gao, Bei; Bian, Xiaoming; Louha, Swarnali; Kolli, Ramya; Bentley, Kerin; Rushmore, Julie; Wong, Kelvin; Rothrock, Michael; McKee, Anna M.; Guo, Tai L.; Mauricio, Rodney; Molina, Marirosa; Cummings, Brian; Lash, Lawrence H.; Lu, Kun; Gilbert, Gregory S.; Hubbell, Stephen P.; Faircloth, Brant C.

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Year Published: 2019

Tropical cyclones and the organization of mangrove forests: A review

Background Many mangrove ecosystems are periodically exposed to high velocity winds and surge from tropical cyclones and often recover with time and continue to provide numerous societal benefits in the wake of storm events. Scope This review focuses on the drivers and disturbance mechanisms (visible and functional) that tropical cyclones of...

Krauss, Ken; Osland, Michael

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Year Published: 2019

Catalog of microscopic organisms of the Everglades, part 2—The desmids of the Arthur R. Marshall Loxahatchee National Wildlife Refuge

The Arthur R. Marshall Loxahatchee National Wildlife Refuge (refuge), Boynton Beach, Florida, contains approximately 147,000 acres southeast of Lake Okeechobee. Water quality in the interior portion of the refuge is strongly influenced by rainfall, resulting in slightly acidic waters with low dissolved ions. Desmids, a unique, ornate group of...

Rosen, Barry H.; Stahlhut, Katherine N.; Hall, John D.
Rosen, B.H., Stahlhut, K.N., and Hall, J.D., 2019, Catalog of microscopic organisms of the Everglades, part 2—The desmids of the Arthur R. Marshall Loxahatchee National Wildlife Refuge: U.S. Geological Survey Scientific Investigations Report 2019–5074, 277 p., https://doi.org/10.3133/sir20195074.

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Year Published: 2019

Withdrawal and consumption of water by thermoelectric power plants in the United States, 2015

The U.S. Geological Survey has developed models to estimate thermoelectric water use based on linked heat and water budgets. The models produced plant-level withdrawal and consumption estimates using consistent methods for 1,122 water-using, utility-scale thermoelectric power plants in the United States for 2015. Total estimated withdrawal for...

Harris, Melissa A.; Diehl, Timothy H.
Harris, M.A., and Diehl, T.H., 2019, Withdrawal and consumption of water by thermoelectric power plants in the United States, 2015: U.S. Geological Survey Scientific Investigations Report 2019–5103, 15 p., https://doi.org/10.3133/sir20195103.

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Year Published: 2019

Groundwater/surface-water interactions along Ellerbe Creek in Durham, North Carolina, 2016–18

An assessment of groundwater/surface-water interactions along Ellerbe Creek, a major tributary to upper Falls Lake in Durham County, North Carolina, was conducted from July 2016 to March 2018 to determine if groundwater is a likely source of elevated nitrate input to the stream. Groundwater/surface-water interactions were characterized by synoptic...

Antolino, Dominick J.
Antolino, D.J., 2019, Groundwater/surface-water interactions along Ellerbe Creek in Durham, North Carolina, 2016–18: U.S. Geological Survey Scientific Investigations Report 2019–5097, 32 p., https://doi.org/10.3133/sir20195097.

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Year Published: 2019

Standardizing a non-lethal method for characterizing the reproductive status and larval development of freshwater mussels (Bivalvia: Unionoida)

Actively monitoring the timing, development, and reproductive patterns of endangered species is critical when managing for population recovery. Freshwater mussels are among the most imperiled organisms in the world, but information about early larval (glochidial) development and brooding periods is still lacking for many species. Previous studies...

Beaver, Caitlin; Geda, Susan; Johnson, Nathan

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Year Published: 2019

Prediction and inference of flow-duration curves using multi-output neural networks

We develop multi-output neural network models (MNNs) to predict flow-duration curves (FDCs) in 9,203 ungaged locations in the Southeastern United States for six decades between 1950-2009. The model architecture contains multiple response variables in the output layer that correspond to individual quantiles along the FDC. During training,...

Worland, Scott C.; Steinschneider, Scott; Asquith, William H.; Knight, Rodney; Wieczorek, Michael

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Year Published: 2019

Coastal Salinity Index along the southeastern Atlantic coast and the Gulf of Mexico, 1983 to 2018

Coastal droughts have a different dynamic than upland droughts, which are typically characterized by agricultural, hydrologic, meteorological, and (or) socioeconomic effects. Drought uniquely affects coastal ecosystems because of changes in the salinity conditions of estuarine creeks and rivers. The location of the freshwater-saltwater interface...

Petkewich, Matthew D.; Lackstrom, Kirsten; McCloskey, Bryan J.; Rouen, Lauren F.; Conrads, Paul A.
Petkewich, M.D., Lackstrom, K., McCloskey, B.J., Rouen, L.F., and Conrads, P.A., 2019, Coastal Salinity Index along the southeastern Atlantic coast and the Gulf of Mexico, 1983 to 2018: U.S. Geological Survey Open-File Report 2019–1090, 26 p., https://doi.org/10.3133/ofr20191090.

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Year Published: 2019

Wetland biomass and productivity in Coastal Louisiana: Base line data (1976-2015) and knowledge gaps for the development of spatially explicit models for ecosystem restoration and rehabilitation initiatives

Coastal Louisiana host 37% of the coastal wetland area in the conterminous US, including one of the deltaic coastal regions more susceptible to the synergy of human and natural impacts causing wetland loss. As a result of the construction of flood protection infrastructure, dredging of channels across wetlands for oil/gas exploration and maritime...

Rivera-Monroy, Victor H.; Elliton, Courtney; Narra, Siddhartha; Meselhe, Ehab; Zhao, Xiaochen; White, Eric; Sasser, Charles E.; Visser, Jenneke M.; Meng, X.; Wang, Hongqing; Xue, Zuo; Jaramillo, Fernando

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Year Published: 2019

Environmental DNA (eDNA) detection of nonnative bullseye snakehead in southern Florida

Bullseye Snakehead Channa marulius (Hamilton 1822) was first detected in the southern Florida town of Tamarac in 2000 and has been expanding its geographic range since. Environmental DNA (eDNA) analysis is a newly-developed technique used to noninvasively detect cryptic or low-density species or those that are logistically difficult-to-study....

Hunter, Margaret; Schofield, Pam; Meigs-Friend, Gaia; Brown, Mary; Ferrante, Jason

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Year Published: 2019

Hemidactylus parvimaculatus (Sri Lankan spotted house gecko)

USA: LOUISIANA: PLAQUEMINES PARISH: 0.15 km S of the intersection of LA-23 and Jump  road, Venice (29.266630°N, 89.35570°W; WGS 84). 2 May 2019. V. C. Montross and W. McGighan. Verified by Aaron M. Bauer. Florida Museum of Natural History (UF 189238; photo voucher). New parish record. On 2 May 2019, three Hemidactylus parvimaculatus were...

Pellacchia, C. M.; Glorioso, Brad M.; Mendyk, R. W.; Collen, C. A.; Montross, V. C.; McGighan, W.; Macedo, K.; Maldonado, B. R.; Morenc, I. N.

Filter Total Items: 503
October 24, 2018

Image of the Week - Hurricane Michael

Hurricane Michael made landfall in the Florida Panhandle on October 10, 2018.

Landsat 7 images captured before and after highlight the destructive path of the Category 4 storm.

Mexico Beach was all but demolished, with homes left in heaps by wind and storm surge. The green leaves that pop in the September image are stripped from trees by October, and the dull

...
Photo of a scientist explaining how bathymetric data is collected using PWCs to a group of children
October 19, 2018

Children watch a scientist explain data collection at the Science Fest

Children at the Science Festival in St. Petersburg, Florida, watch as a scientist explains how personal watercraft are used to collect bathymetric data.

Two oceanographers look at a coral core stored in a wooden box
October 18, 2018

Coral cores like this one reveal geologic history of Keys reefs

USGS Research Oceanographer Lauren Toth and Oceanographer Anastasios Stathakopoulos study a coral-reef core in the USGS’s Core Archive in St. Petersburg, Florida. Photo: Dominique Gallery, USGS.

A deeply eroded sand dune at Cape San Blas, Florida
October 16, 2018

Hurricane Michael cut deep into Panhandle dunes

A deeply eroded sand dune on the beach at Cape San Blas shows Hurricane Michael's impact on parts of the Florida Panhandle shoreline.

Satellite image showing how Hurricane Michael affected Florida.
October 16, 2018

Hurricane Michael Batters Florida Panhandle

Landsat 7 images captured before and after highlight the destructive path of the Category 4 storm.

A house destroyed by Hurricane Michael on Cape San Blas, Florida
October 15, 2018

Hurricane Michael destroyed many houses on Cape San Blas, Florida

A beach house in Cape San Blas, Florida destroyed by Hurricane Michael, which struck the Florida Panhandle as a Category Four storm Oct. 10, 2018.

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

New Gulf of Mexico network speeds USGS hurricane preparations

Each one these blue dots represents a site where a storm-tide sensor bracket has been installed for the Gulf of Mexico pre-defined network. There are currently 85 brackets in Florida, 6 in Alabama, 3 in Mississippi, 18 in Louisiana and 26 in Texas, for a total of 138 bracketed sites. (Not all brackets will be used in all storms.)

 

Hurricane Michael Flood Event Viewer (map)
October 10, 2018

This Flood Event Viewer is a one-stop information source

The USGS creates a Flood Event Viewer for major flooding incidents, as a one-stop, interactive information source. On that website, viewers can click on each red dot (storm-tide sensor) to see details about it. The Flood Event Viewer for Hurricane Michael is at https://stn.wim.usgs.gov/FEV/#MichaelOct2018

One-story yellow concrete block house in Cape San Blas, Florida
October 9, 2018

Fish Inn, the scientists' field station, before Hurricane Michael

For ten years, this yellow concrete block house in Cape San Blas, Florida, dubbed Fish Inn, was the seasonal office, laboratory and living quarters for a team of USGS sea turtle researchers during their field season from November till April.

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

Strong hurricane impacts predicted for many Panhandle beaches

Coastal Change Storm Hazard Team map created Tuesday, 10/89/18 showing current forecasted beach erosion, overwash and inundation effects of Hurricane Michael's predicted landfall in the Florida Panhandle. Forecast will change with subsequent National Hurricane Center forecasts.

 

October 5, 2018

Image of the Week - Hurricane Florence

Hurricane Florence hit the Carolina coast on September 14, 2018, but it took much longer for the full impact to emerge.
Remotely-sensed images show the slow devastation that 13 trillion gallons of rain can bring as it moves back toward the sea.
Each week, the Earth Resources Observation and Science (EROS) Center highlights a new satellite image(s) featuring

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

USGS science on a map of the Carolinas after Hurricane Florence

This flood event viewer map, dated Oct. 3, 2018, shows the extent and type of information collected by USGS hydrologists in North and South Carolina in the wake of historic flooding brought on by Hurricane Florence.

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As US models predicted Hurricane Joaquin washed out a road at Kitty Hawk, NC in 2015.
June 1, 2016

New USGS models help predict storm effects on beaches

As the 2016 hurricane season opens, weather forecasters, emergency managers and coastal residents have access to tools developed by the U.S. Geological Survey that predict, more precisely than ever, where beach erosion and beachfront flooding will take place during hurricanes and other storms.

 

Earth Day 2016 — USGS Graphic
April 21, 2016

Celebrate Earth Day on April 22! Learn about USGS science for a changing world.

American oystercatcher with chick.
March 16, 2016

The American oystercatchers studied on Cape Lookout National Seashore in North Carolina were disturbed more by pedestrians and off-road vehicles passing their nests than the U.S. military aircraft flying overhead.

USGS science for a changing world logo
March 14, 2016

The U.S. Geological Survey has created 20 new flood inundation maps that can help South Carolinians take steps to prevent or reduce future flood damage in the areas affected by the widespread floods of October 2015.

USGS science for a changing world logo
February 17, 2016

USGS scientists have detected toxins known as microcystins produced by various forms of algae in 39 percent of the small streams assessed throughout the southeastern United States. Their recent study looked at 75 streams in portions of Alabama, Georgia, North Carolina, South Carolina and Virginia.

Image: USGS Measures Historic Flooding Across the Nation
January 4, 2016

U.S. Geological Survey field crews are measuring record flooding on rivers and streams in 12 states across the country. USGS is making preparations for a prolonged field effort along the Ohio and Mississippi Rivers as major flooding will extend well into mid-to-late January, particularly along the lower Mississippi River.

Image:  Big Sagebrush Re-establishing 15 Years Post-wildfire Along the Boise Front Mountains
December 7, 2015

CORVALLIS, Ore. — Ecosystem restoration is complex and requires an understanding of how the land, plants, and animals all interact with each other over large areas and over time. Today, the U.S. Geological Survey published part two of a three-part handbook addressing restoration of sagebrush ecosystems from the landscape to the site level.

Planned US Topo map production schedule for the next three- year revision cycle
November 19, 2015

With the release of new US Topo maps for Illinois and South Dakota, the USGS has completed the second, three-year cycle of revising and updating electronic US Topo quadrangles. This means that since late 2009, the USGS has published nearly every map in the conterminous U.S., twice.

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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