Southeast
Southeast
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.
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2023 50-State Long-term National Seismic Hazard Model
The 2023 50-State Update of the U.S. National Seismic Hazard Model (NSHM) defines the potential for earthquake ground shaking for various probability levels across the conterminous United States, Alaska, and Hawaii and is applied in seismic provisions of building codes, insurance rate structures, risk assessments, and other public policy. The updated model represents an assessment of the best...
The Challenge of Tracking Nutrient Pollution 2,300 Miles
Nitrogen and phosphorus are essential nutrients—yet too much of a good thing is not always a good thing. Scientists are investigating nutrient pollution down the Mississippi River.
Tracking Oil Spills: Before, During, and Decades Later
On March 24, 1989, the Exxon Valdez ran aground in Prince William Sound, Alaska, spilling nearly 11 million gallons of crude oil. At the time, the spill was the Nation’s largest environmental disaster.
Grappling with Pythons in Florida
In 2003, wildlife scientists carrying out regular nighttime road surveys in Everglades National Park started to see fewer medium-sized mammals. Over the next few years, rabbits disappeared completely, and populations of foxes, raccoons, possums, bobcats, and white-tailed deer were either small or absent.
Chickasaw and Choctaw Tribes Cope with Multiyear Drought
The water supply in the Red River Basin has been stressed in recent years due to drought, and its effects are compounded by increasing demands for consumptive use by metropolitan areas in Oklahoma and Texas.