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Sinkholes
 Websites presented in alphabetical order Geology Topics: Sinkholes 
 Documents and data about sinkholes, "one of many kinds of karst landforms, which include caves, disappearing streams, springs, and underground drainage systems. ... Karst is a generic term which refers to the characteristic terrain produced by erosional processes associated with the chemical weathering and dissolution of limestone or dolomite." Provides a FAQ, and a poster showing Florida's sinkholes and diagrams of sinkhole formation. Some material specific to Florida. From the Florida Geological Survey. http://www.dep.state.fl.us/geology/geologictopics/sinkhole.htm Topics: Geology Last updated Apr 25, 2006 Plant Management in Florida's Waters: Sinkholes
Illustrated description of sinkholes, which "originate beneath the surface when groundwater moves through the limestone and erodes large voids, or cavities, in the bedrock." Includes many photos of sinkholes, and links to related essays on karst topography, groundwater, aquifers, springs, and other geology topics. A collaboration of the Center for Aquatic and Invasive Plants, University of Florida, and the Bureau of Invasive Plant Management, Florida Department of Environmental Protection. http://aquat1.ifas.ufl.edu/guide/sinkholes.html Topics: Geology Last updated Apr 25, 2006 Water Science For Schools: Sinkholes
Introduction to sinkholes, a geological occurrence "common where the rock below the land surface is limestone, carbonate rock, salt beds, or rocks that can naturally be dissolved by ground water circulating through them. As the rock dissolves, spaces and caverns develop underground." Features a map showing areas of the U.S. prone to sinkholes, and diagrams of types of sinkholes. From the U.S. Geological Survey (USGS). http://ga.water.usgs.gov/edu/sinkholes.html Topics: Geology Last updated Apr 25, 2006 |
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