Relatively high water that overflows the natural or artificial banks of a stream or coastal area that submerges land not normally below water level.
Large floods in the United States: where they happen and why [ More info] Discussion of large floods and occurrence in relationship to regional climatology, topography, and basin size.
Louisiana HydroWatch [ More info] Homepage for the statewide real-time hydrologic monitoring network featuring the latest hydrologic information in Louisiana.
Maine Cooperative Snow Survey [ More info] The Maine Cooperative Snow Survey collects, interprets, and distributes information on the depth and water content of Maine's snowpack in the late winter and early spring, when the danger of flooding in Maine's rivers and streams is greatest.
Methods for estimating magnitude and frequency of floods in rural basins in the southeastern United States: South Carolina [ More info] Flood estimates are needed for the efficient design of bridges, highway embankments, levees, to protect lives and property in flood-prone areas, and to determine flood-insurance rates.
Michigan hydrologic summary [ More info] Links to websites providing data and information related to Michigan hydrology including droughts, floods, current water conditions, Great Lakes water levels, climatology, and weather.
Mississippi River flood: April 2001 [ More info] A large collection of photographs showing the historic flooding of the upper Mississippi River near LaCrosse, Wisconsin and points south during April of 2001. Includes video footage as well.
Monitoring floods and fires during the summer of 2011--The value of the Landsat satellite 40-year archives [ More info] Examples showing the use of historical satellite imagery for assessing the extent and severity of landscape hazards such as fires and floods.
National Assessment of Coastal Change Hazards [ More info] The National Assessment of Coastal Change Hazards is a multi-year undertaking to identify and quantify the vulnerability of U.S. shorelines to coastal change hazards such as the effects of severe storms, sea-level rise, and shoreline erosion and retreat.
National Water Information System (NWISWeb) data for Illinois [ More info] National Information Water System (NWIS) water data for Illinois including real-time current conditions, streamflow data, site information, ground-water data, and water-quality data.
Natural Hazards - A National Threat [ More info] Describes the role USGS plays in reducing losses from natural disasters, itemizing specific information we develop and maintain to help mitigate or avoid these problems.
Alphabetical Index of Topics
a b c d e f g h i j k l m n o p q r s t u v w x y z