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We conduct impartial, multi- and interdisciplinary research and monitoring on a large range of natural-resource issues that impact the quality of life of citizens and landscapes of the Southeastern United States and the Caribbean region.

Filter Total Items: 233
Tennessee FloodWatch Infographic
June 26, 2017

Tennessee FloodWatch Information

Map of below normal 7-day average streamflow compared to historical streamflow for the day of year (Tennessee)
June 26, 2017

The U.S. Geological Survey (USGS) has a network of surface-water real-time monitoring stations in Tennessee. The network provides real-time water-stage data along with computed streamflow at many of these locations, and rainfall recorded at some stations. These sites continuously record data on 15-minute intervals and transmit the data via satellite to be incorporated into the USGS National...

Map of below normal 7-day average streamflow compared to historical streamflow for the day of year (Tennessee)
June 26, 2017

Web sites with climate-condition information

Map of below normal 7-day average streamflow compared to historical streamflow for the day of year (Tennessee)
June 26, 2017

This map (from USGS's National Drought Watch Web site) shows the 7-day average streamflow conditions in hydrologic units. Thus, the map shows conditions adjusted for this time of the year. The colors represent 7-day average streamflow percentiles for the day of the year. USGS sites having at least 30 years of record are used. The data used to produce this map are provisional and have not been...

Duck River above Milltown Tennessee - Photograph
June 26, 2017

Basic hydrologic data collection at selected streams in Tennessee

Cypress Swamp Egret - Louisiana
June 24, 2017

Links to Sources of Water Information

The U.S. Geological Survey (USGS) investigates the occurrence, quantity, quality, distribution, and movement of surface and underground waters and disseminates the data to the public, State and local governments, public and private utilities, and other Federal agencies involved with managing water resources

The map to the left allows you to...

Mississippi DroughWatch Map
June 23, 2017

To view the interactive map for Mississippi DroughWatch click here.

Gulf of Mexico Coastal Monitoring Sites
June 23, 2017

To view the interactive map of the Gulf of Mexico Coastal Monitoring Sites click here.

Mississippi Flood Watch Map
June 23, 2017

To view the interactive map for Mississippi FloodWatch click here.

Mississippi/Atchafalaya River Basins - SPARROW
June 23, 2017

SPARROW, a modeling tool for the regional interpretation of water-quality monitoring data. The model relates in-stream water-quality measurements to spatially referenced characteristics of watersheds, including contaminant sources and factors influencing terrestrial and aquatic transport. SPARROW empirically estimates the origin and fate of contaminants in river networks and quantifies...

Biloxi, MS Bridge after Hurricane Katrina
June 23, 2017

The U.S. Geological Survey (USGS) works closely with the Mississippi Department of Transportation (MDOT) to provide information to be used by the MDOT for economical and optimum design of highway-drainage structures. The MDOT spends millions of dollars annually for highway construction. Streamflow records, hydrologic analyses of basins, and hydraulic analyses of the flooding potential at...

We conduct impartial, multi- and interdisciplinary research and monitoring on a large range of natural-resource issues that impact the quality of life of citizens and landscapes of the Southeastern United States and the Caribbean region.

USGS National Water Data Portal
Filter Total Items: 33
Memphis Area Groundwater-Level Network Map
September 26, 2016

Memphis Area Groundwater-Level Network

Groundwater Watch is a supplemental tool to NWISWeb and, as such, is able to provide additional benefits to the groundwater community. NWIS is the authoritative database for USGS groundwater data, and NWISWeb is the public interface for these groundwater data. This is information pertaining to the Memphis Area Groundwater-Level Network.

SLR graphic
April 21, 2016

Sea-Level Rise Visualization for Alabama and Mississippi

The interactive sea-level rise visualization tool results from a collaborative effort between NOAA's Coastal Services Center, USGS WARC, and USGS Mississippi Water Science Center. The tool illustrates the scale of potential flooding, but not the exact location, and does not account for erosion, subsidence, sediment accretion, or future construction. 

MsCIP logo
April 21, 2016

Mississippi Coastal Improvements Program (MsCIP) Barrier Island Restoration

MsCIP was developed in 2009 by the U.S. Army Corps of Engineers, Mobile District, in conjunction with other Federal and State agencies, to help reduce future storm damage along the Mississippi Gulf coast. In 2014, in cooperation with the USACE Mobile District, WARC's Advanced Applications Team began development on the MsCIP Data Viewer, an interactive web-mapping environment. 

JEM logo
April 20, 2016

Joint Ecosystem Modeling (JEM) Support

The JEM community of practice is focused on ecological modeling and monitoring across the Greater Everglades, with particular interest in habitats, how various factors affect habitat change, and how the organisms dependent on those habitats respond today and into the future.

Digital Elevation Model in the Atchafalaya Basin, LA
April 19, 2016

Elevation Data

The 3DEP products and services available through The National Map consist of lidar point clouds (LPC), standard digital elevation models (DEMs) at various horizontal resolutions, elevation source and associated datasets, an elevation point query service and bulk point query service. All 3DEP products are available, free of charge and without use restrictions.

Fish on seafloor, Offshore Northern California
April 18, 2016

Coastal and Marine Geology Video and Photography Portal

This portal contains U.S. Geological Survey (USGS) video and photography of the seafloor off of coastal California and Massachusetts, and aerial imagery of the coastline along segments of the Gulf of Mexico and mid-Atlantic coasts. These data were collected as part of several USGS Coastal and Marine Geology Program Seafloor Mapping projects and Hurricane and Extreme Storm research.

Lidar data of the Gulf Islands, Florida
March 17, 2016

Coastal and Marine Geoscience Data System

Site provides access to Coastal and Marine Geology Program (CMGP) data via Open Geospatial Consortium (OGC) standards services; serving data to GeoMapApp and Virtual Ocean 2-D and 3-D earth browsing tools, for data integration, visualization and analysis; and metadata catalogs for data discovery.

Gaging station on the Tanana River at Nenana, Alaska
March 10, 2016

Science Data Integration and Delivery

Consistent synthesis, integration, storage, and availability of fundamental data is critical to meeting the needs of USGS Science. We develop databases for hydrography, topography, invasive species, water resources, and many other datasets utilized by resource managers.

USGS science for a changing world logo
March 9, 2016

Science Data Integration and Delivery

Consistent synthesis, integration, storage, and availability of fundamental data is critical to meeting the needs of USGS Science. We develop databases for hydrography, topography, invasive species, water resources, and many other datasets utilized by resource managers. Our National Geospatial Program uses partnerships and data collection through a network assigned to the Southeast Region Office.
National Geospatial Program
Geospatial Liaison Network
Lidar for Science and Resource Management
Louisiana Sedimentary and Environmental Database (LASED)
Core Archive Database for the St. Petersburg Coastal and Marine Science Center

Filter Total Items: 180
Year Published: 2017

Comparison of climate envelope models developed using expert-selected variables versus statistical selection

Climate envelope models are widely used to describe potential future distribution of species under different climate change scenarios. It is broadly recognized that there are both strengths and limitations to using climate envelope models and that outcomes are sensitive to initial assumptions, inputs, and modeling methods Selection of predictor...

Brandt, Laura A.; Benscoter, Allison; Harvey, Rebecca G.; Speroterra, Carolina; Bucklin, David N.; Romanach, Stephanie; Watling, James I.; Mazzotti, Frank J.
Brandt, L.A., Benscoter, A.M., Harvey, R., Speroterra, C., Bucklin, D., Romanach, S.S., Watling, J.I., and Mazzotti, F.J., 2017, Comparison of climate envelope models developed using expert-selected variables versus statistical selection: Ecological Modelling, v. 345, p. 10-20, http://dx.doi.org/10.1016/j.ecolmodel.2016.11.016.

Year Published: 2017

Macroclimatic change expected to transform coastal wetland ecosystems this century

Coastal wetlands, existing at the interface between land and sea, are highly vulnerable to climate change. Macroclimate (for example, temperature and precipitation regimes) greatly influences coastal wetland ecosystem structure and function. However, research on climate change impacts in coastal wetlands has concentrated primarily on sea-level...

Gabler, Christopher A.; Osland, Michael J.; Grace, James B.; Stagg, Camille L.; Day, Richard H.; Hartley, Stephen B.; Enwright, Nicholas M.; From, Andrew; McCoy, Meagan L.; McLeod, Jennie L.
Gabler, C.A., Osland, M.J., Grace, J.B., Stagg, C.L., Day, R.H., Hartley, S.B., Enwright, N.M., From, A.S., McCoy, M.L., and McLeod, J.L., 2017, Macroclimatic change expected to transform coastal wetland ecosystems this century: Nature Climate Change, Advanced Online, http://dx.doi.org/10.1038/nclimate3203.

Year Published: 2017

Signals of impending change

Society has an increasing awareness that there are finite limits to what we can expect the planet to absorb and still provide goods and services at current rates1. Both historical reconstructions and contemporary events continue to remind us that ecological regime changes are often abrupt rather than gradual. This reality motivates researchers who...

Grace, James B.
Grace, J.B., 2017, Signals of impending change: Nature Ecology and Evolution, v. 1, art. 0047, http://dx.doi.org/10.1038/s41559-016-0047.

Year Published: 2017

Life history plasticity does not confer resilience to environmental change in the mole salamander (Ambystoma talpoideum)

Plasticity in life history strategies can be advantageous for species that occupy spatially or temporally variable environments. We examined how phenotypic plasticity influences responses of the mole salamander, Ambystoma talpoideum, to disturbance events at the St. Marks National Wildlife Refuge (SMNWR), FL, USA from 2009 to 2014. We observed...

Courtney L. Davis; David A.W. Miller; Walls, Susan; Barichivich, William J.; Riley, Jeffrey W.; Brown, Mary E.
Davis, C.L., Miller, D.A.W., Walls, S.C., Barichivich, W.J., Riley, J., and Brown, M.E., 2017, Life history plasticity does not confer resilience in the mole salamander (Ambystoma talpoideum): Oecologia, Online Early, 17 p., http://dx.doi.org/10.1007/s00442-017-3810-y.

Year Published: 2017

Climatic controls on the global distribution, abundance, and species richness of mangrove forests

Mangrove forests are highly productive tidal saline wetland ecosystems found along sheltered tropical and subtropical coasts. Ecologists have long assumed that climatic drivers (i.e., temperature and rainfall regimes) govern the global distribution, structure, and function of mangrove forests. However, data constraints have hindered the...

Osland, Michael J.; Feher, Laura C.; Griffith, Kereen; Cavanaugh, Kyle C.; Enwright, Nicholas M.; Day, Richard H.; Stagg, Camille L.; Krauss, Ken W.; Howard, Rebecca J.; Grace, James B.; Rogers, Kerrylee
Osland, M.J., Feher, L.C., Griffith, K.T., Cavanaugh, K.C., Enwright, N.M., Day, R.H., Stagg, C.L., Krauss, K.W., Howard, R.J., Grace, J.B., and Rogers, K., 2016, Climatic controls on the global distribution, abundance, and species richness of mangrove forests: Ecological Monographs, Accepted Online, http://dx.doi.org/10.1002/ecm.1248.

Year Published: 2017

The practice of prediction: What can ecologists learn from applied, ecology-related fields?

The pervasive influence of human induced global environmental change affects biodiversity across the globe, and there is great uncertainty as to how the biosphere will react on short and longer time scales. To adapt to what the future holds and to manage the impacts of global change, scientists need to predict the expected effects with some...

Pennekamp, Frank; Adamson, Matthew; Petchey, Owen L; Poggiale, Jean-Christophe; Aguiar, Maira; Kooi, Bob W.; Botkin, Daniel B.; DeAngelis, Don
Pennekamp, F., Adamson, M.W., Petchey, O.L., Poggiale, J.-C., Aguiar, M., Kooi, B.W., Botkin, D.B., and DeAngelis, D.L., 2016, The practice of prediction: What can ecologists learn from applied, ecology-related fields?: Ecological Complexity, Available Online, http://dx.doi.org/10.1016/j.ecocom.2016.12.005.

Year Published: 2017

A modeling study of the impacts of Mississippi River diversion and sea-level rise on water quality of a deltaic estuary

Freshwater and sediment management in estuaries affects water quality, particularly in deltaic estuaries. Furthermore, climate change-induced sea-level rise (SLR) and land subsidence also affect estuarine water quality by changing salinity, circulation, stratification, sedimentation, erosion, residence time, and other physical and ecological...

Wang, Hongqing; Chen, Qin; Hu, Kelin; LaPeyre, Megan K.

Year Published: 2017

Volume of larvae Is the most important single predictor of mass temperatures in the forensically important Calliphorid, Chrysomya megacephala (Diptera: Calliphoridae)

Calliphorid species form larval aggregations that are capable of generating heat above ambient temperature. We wanted to determine the relationship between volume, number of larvae, and different combinations of instars on larval mass heat generation. We compared different numbers of Chrysomya megacephala (F.) larvae (40, 100, 250, 600, and 2,000...

Gruner, S. V.; Slone, D.H.; Capinera, J.L.; Turco, M. P.

Year Published: 2017

Estimating occurrence and detection probabilities for stream-breeding salamanders in the Gulf Coastal Plain

Large gaps exist in our knowledge of the ecology of stream-breeding plethodontid salamanders in the Gulf Coastal Plain. Data describing where these salamanders are likely to occur along environmental gradients, as well as their likelihood of detection, are important for the prevention and management of amphibian declines. We used presence/absence...

Lamb, Jennifer Y.; Waddle, J. Hardin; Qualls, Carl P.
Lamb, J.Y., Waddle, J.H., and Qualls, C.P., 2017, Estimating occurrence and detection probabilities for stream-breeding salamanders in the Gulf Coastal Plain: Journal of Herpetology, Online Ahead of Print, http://www.journalofherpetology.org/doi/abs/10.1670/16-050.

Year Published: 2017

Spatially explicit modeling in ecology: A review

The use of spatially explicit models (SEMs) in ecology has grown enormously in the past two decades. One major advancement has been that fine-scale details of landscapes, and of spatially dependent biological processes, such as dispersal and invasion, can now be simulated with great precision, due to improvements in computer technology. Many areas...

DeAngelis, Donald L.; Yurek, Simeon

Year Published: 2017

Soils mediate the impact of fine woody debris on invasive and native grasses as whole trees are mechanically shredded into firebreaks in piñon-juniper woodlands

To stem wildfires, trees are being mechanically shredded into firebreaks with the resulting fine woody debris (FWD) potentially exerting immense control over soil and plants. We linked FWD-induced changes in microbial activity and nutrient availability to the frequency of Bromus tectorum and three native, perennial grasses across 31 piñon-juniper...

Aanderud, Zachary T.; Schoolmaster, Donald R.; Rigby, Deborah; Bybee, Jordon; Campbell, Tayte; Roundy, Bruce A.
Aanderud, Z.T., Schoolmaster, D.R., Rigby, D., Bybee, J., Campbell, T., and Roundy, B., 2017, Soils mediate the impact of fine woody debris on invasive and native grasses as whole trees are mechanically shredded into firebreaks in piñon-juniper woodlands: Journal of Arid Environments, v. 137, p. 60-68, http://dx.doi.org/10.1016/j.jaridenv.2016.11.002.

Year Published: 2017

Extinction debt as a driver of amphibian declines: An example with imperiled flatwoods salamanders

A comprehensive view of population declines and their underlying causes is necessary to reverse species loss. Historically, in many cases, a narrow view may have allowed species declines to continue, virtually undetected, for long periods of time (perhaps even decades). We suggest that extinction debt is likely responsible for numerous (perhaps...

Semiltsch, Raymond D; Walls, Susan; Barichivich, William J.; O'Donnell, Katherine
Semlitsch, R.D., Walls, S.C., Barichivich, W.J., and O'Donnell, K.M., 2016, Extinction debt as a driver of amphibian declines: an example with imperiled flatwoods salamanders: Journal of Herpetology, Online Ahead of Print, http://dx.doi.org/10.1670/16-090 or http://journalofherpetology.org/doi/abs/10.1670/16-090?journalCode=hpet.

Filter Total Items: 80
April 19, 2017
See the actual drone footage at: https://www.usgs.gov/media/videos/prescribed-burn-tall-timbers-research-... Footage of drone during a prescribed fire at Tall Timbers Research Station, Tallahassee, Florida (April 19, 2017).
Three sailfin catfish found in the Big Cypress National Preserve
March 23, 2017
The sailfin catfish is one of 13 species of nonnative fish that biologists discovered during the Fish Slam in Big Cypress National Preserve, March 23, 2017.
Pike killifish found in Big Cypress
March 23, 2017
The pike killifish, native to Mexico and Central America, was one of 13 nonnative fish species that biologists discovered during the two-day Fish Slam in Big Cypress National Preserve, March 22 and 23, 2017.
March 11, 2017
Caribbean-Florida Water Science Center, Davie Office, supported Broward County Watter Matters Day on March 11, 2017 as part of an outreach event to the public. http://www.broward.org/WaterMatters/Pages/ProgramsWMD.aspx
Perfect Crop Row with USGS Gage in the distance by Shane Stocks
2016 (approx.)
This image is of a perfect row in a field with a USGS Gage in the background. The image was taken by Shane Stocks out of the LMG Jackson, MS office.
Frosted flatwoods salamander
2016 (approx.)
Frosted flatwoods salamander, St. Marks National Wildlife Refuge, Florida
2016 (approx.)
This video demonstrates how to measure total well depth below land surface using a weighted, graduated steel tape.
Frosted flatwoods salamander
2016 (approx.)
Frosted flatwoods salamander in St. Marks National Wildlife Refuge, Florida
The Chimney Tops 2 fire in Great Smoky Mountains National Park
2016 (approx.)
The fire that became known as Chimney Tops 2 started near a Great Smoky Mountains National Park landmark known as The Chimneys on or about Nov. 23, 2016.
Filter Total Items: 73
Wading birds feed near wooden posts marking a research site in a Louisiana salt marsh
January 25, 2017

Changes in rainfall and temperature are predicted to transform wetlands in the Gulf of Mexico and around the world within the century, a new study from the USGS and the University of Texas Rio Grande Valley concludes.

A SCUBA diver beside a Massive starlet coral on the sea floor at Dry Tortugas National Park
January 25, 2017

Boulder corals in the waters of Dry Tortugas National Park, 70 miles from Key West, contain evidence that confirms a centuries-old sea temperature cycle linked to rains, droughts and hurricanes.

Photo of a young girl drinking water, which likely originated from groundwater sources. 
January 19, 2017

A regional assessment of untreated groundwater in the Coastal Lowlands aquifer system in the southeastern United States is now available from the U.S. Geological Survey.

Photo of a young girl drinking water, which likely originated from groundwater sources. 
January 19, 2017

A regional assessment of untreated groundwater in the Southeastern Coastal Plain aquifer system is now available from the U.S. Geological Survey.

Photo of a young girl drinking water, which likely originated from groundwater sources. 
January 19, 2017

A regional assessment of untreated groundwater in the combined Valley and Ridge and Piedmont and Blue Ridge aquifers in the eastern United States is now available from the U.S. Geological Survey.

This picture was taken June 23, 2010 along the Louisiana shoreline in Barataria Bay and shows oil spilled from Deepwater Horizon
November 17, 2016

A new USGS-NASA study found widespread shoreline loss along heavily oiled areas of Louisiana's coast after the 2010 BP Deepwater Horizon oil spill and compared the erosion from the spill with coastal changes Hurricane Isaac caused in 2012.

Hydrologic technician Samantha Kephart.points out a high water mark
October 21, 2016

The heavy rains and storm surge Hurricane Matthew produced caused severe flooding in many parts of the south east, resulting in almost 40 peak flood records. As the flood waters continue to recede from some affected areas, the U. S. Geological Survey will continue its efforts to record this historic flooding. Click here to learn more about the work the USGS has completed for Hurricane Matthew.

This picture shows Spring Lake, NC, hit by flooding twice in two weeks.
October 12, 2016

Reporters: Want more information? Please contact Jeanne Robbins, jrobbins@usgs.gov, 919-571-4017 

USGS
October 6, 2016

As the east coast prepares for Hurricane Matthew's arrival, the U.S. Geological Survey uses advanced models to forecast the coastal impacts Matthew could bring.