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Southeast Region

We conduct impartial, multi- and interdisciplinary research and monitoring to address a broad range of natural-resource issues that affect the quality of life of citizens and landscapes in the Southeastern United States and the Caribbean region.

News

USGS Geologic Mapping Project Supports Critical Mineral Exploration, Enhances Public Safety in the Southeast

USGS Geologic Mapping Project Supports Critical Mineral Exploration, Enhances Public Safety in the Southeast

Ecological Thresholds, Abiotic Stress, and Climate Change: A Conceptual Framework

Ecological Thresholds, Abiotic Stress, and Climate Change: A Conceptual Framework

USGS Measures Flooding Across Texas

USGS Measures Flooding Across Texas

Publications

User’s guide for the National Hydrography Dataset Plus High Resolution (NHDPlus HR) User’s guide for the National Hydrography Dataset Plus High Resolution (NHDPlus HR)

The National Hydrography Dataset Plus High Resolution (NHDPlus HR) is a scalable hydrologic geospatial fabric or framework, built from (1) the High Resolution (1:24,000-scale or better) National Hydrography Dataset (NHD), (2) nationally complete Watershed Boundary Dataset (WBD), and (3) 1/3-arc-second 3D Elevation Program (3DEP) digital elevation model (DEM) data (at a 10-meter ground...
Authors
Richard Moore, Lucinda McKay, Alan Rea, Timothy Bondelid, Curtis Price, Thomas Dewald, Laura Hayes

Computing discharge using the entropy-based probability concept Computing discharge using the entropy-based probability concept

This report describes the techniques and methods for computing the mean-channel velocity and discharge using the entropy-based probability concept (probability concept). The method is an alternative to or augments standard streamgaging methods adopted by the U.S. Geological Survey (USGS). Although sensor technology for measuring the mean velocity and discharge has advanced, standard...
Authors
John Fulton, Frank Engel, Jack R. Eggleston, Chao-Lin Chiu

Regional hydraulic geometry characteristics of stream channels in the Boston Mountains in Arkansas Regional hydraulic geometry characteristics of stream channels in the Boston Mountains in Arkansas

Many stream-channel infrastructure, habitat enhancement, and restoration projects are undertaken on streams throughout Arkansas by Federal, State, and local agencies as well as by private organizations and businesses with limited data on local geomorphology and streamflow conditions. Equations that relate drainage area above stable stream reaches to the basin characteristics, bankfull...
Authors
Daniel Kroes, Laura Suzanne Ruhl-Whittle, Allegra Pieri, Aaron Pugh

Science

Mobile River Basin Study

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. The long-term goals of this program are to describe the status and trends in the quality of a large, representative part of the Nation's surface- and ground-water resources, and to provide a sound...
Mobile River Basin Study

Mobile River Basin Study

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. The long-term goals of this program are to describe the status and trends in the quality of a large, representative part of the Nation's surface- and ground-water resources, and to provide a sound...
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USGS research on coastal and nearshore ecosystems informs wildlife and fisheries management

USGS research on coastal and nearshore ecosystems informs wildlife and fisheries management

Coastal ecosystems are where the land and sea meet. USGS coastal science plays a critical role in supporting effective, science-based management of coastal ecosystems. USGS helps decision-makers navigate complex ecosystem challenges.
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Flood-inundation mapping in Tar River Basin, North Carolina

The U.S. Geological Survey (USGS) has created flood-inundation maps for selected streamgage sites in North Carolina. These maps depict the approximate area that would be inundated at selected water levels, ranging from approximately top-of-bank to the maximum observed water level. The inundated areas depicted on these maps are approximate, and accuracy of the maps is a function of the accuracy of...
Flood-inundation mapping in Tar River Basin, North Carolina

Flood-inundation mapping in Tar River Basin, North Carolina

The U.S. Geological Survey (USGS) has created flood-inundation maps for selected streamgage sites in North Carolina. These maps depict the approximate area that would be inundated at selected water levels, ranging from approximately top-of-bank to the maximum observed water level. The inundated areas depicted on these maps are approximate, and accuracy of the maps is a function of the accuracy of...
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