Severe cyclones, or revolving storms, originating over the equatorial regions of the earth, accompanied by torrential rain, lightning, and winds with a speed greater than 74 miles per hour.
Natural hazards [ More info] Research and monitoring to provide the Nation with a clear understanding of natural hazards and their potential threats to society, and assists with developing smart, cost-effective strategies for achieving preparedness and resilience.
Natural hazards: Hurricanes [ More info] News and related information focusing on the hazards associated with hurricanes in the United States.
Northern Gulf of Mexico ecosystem change and hazard susceptibility [ More info] Map interfaces and data in the area offshore Louisiana, Mississippi, and Alabama which was affected most by hurricane Katrina and, more recently, the oil spill.
Salinity variation in an estuary used for oyster cultivation in southeastern North Carolina during the passover of the eye of Hurricane Bertha [ More info] Review of a study monitoring changes in salinity in Alligator Bay, NC during a 1996 hurricane due to the influx of fresh and saltwater and the effect it would have on oyster aquaculture.
Topics in coastal and marine sciences: Coastal erosion [ More info] Topics in Coastal and Marine Sciences provides background science materials, definitions, and links to give a common context for users from a variety of backgrounds. Coastal erosion was chosen as the first topic.
USGS St. Petersburg Coastal and Marine Science Center [ More info] Extreme storms, sea-level rise, and the health of marine communities are some of the major societal and environmental issues studied by this part of USGS.
USGS responds to hurricanes [ More info] Information is provided about coastal impacts of Katrina, Rita, and Wilma and Satellite Imagery and other Geospatial Data, News Releases, Streamflow Conditions, publications and other resources.
Alphabetical Index of Topics
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