Floridan aquifer
http://dbpedia.org/resource/Floridan_aquifer an entity of type: Thing
L’aquifère de Floride est une partie de l'aquifère artésien principal qui s'étend en Floride, aux États-Unis. Situé sous les régions côtières du sud-est des États-Unis, il est aussi présent en Géorgie, Alabama et Caroline du Sud.
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The Floridan aquifer system, composed of the Upper and Lower Floridan aquifers, is a sequence of Paleogene carbonate rock which spans an area of about 100,000 square miles (260,000 km2) in the southeastern United States. It underlies the entire state of Florida and parts of Alabama, Georgia, Mississippi, and South Carolina.
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Floridan aquifer
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Aquifère de Floride
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2377753
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1121774740
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left
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Cover-collapse sinkhole
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Cover-subsidence sinkhole
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Dissolution sinkholes
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Cover-collapse sinkholes may develop abruptly and cause catastrophic damages. They occur where the covering sediments contain a significant amount of clay. One of the more notable examples of such a sinkhole is the Winter Park sinkhole of 1981 that swallowed a public swimming pool, part of a car dealership, and a home located in
Winter Park, FL
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Dissolution sinkholes form when soluble rocks, such as limestone or dolomite come into contact with a dissolving agent such as water. Dissolution is intensified in areas where flow of water is focused, such as along joints, fractures, and bedding planes within the rock, creating preferential flow paths.
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Cover-subsidence sinkholes tend to form gradually where the covering sediments are permeable and contain sand. In areas where cover material is thicker or sediments contain more clay, cover-subsidence sinkholes are relatively uncommon, are smaller, and may go undetected for long periods.
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horizontal
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Sinkhole Formation Processes
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Cover-collapse sinkhole.png
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Cover-subsidence sinkhole.png
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Dissolution sinkhole.png
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The Floridan aquifer system, composed of the Upper and Lower Floridan aquifers, is a sequence of Paleogene carbonate rock which spans an area of about 100,000 square miles (260,000 km2) in the southeastern United States. It underlies the entire state of Florida and parts of Alabama, Georgia, Mississippi, and South Carolina. The Floridan aquifer system is one of the world's most productive aquifers and supplies drinking water for nearly 10 million people. According to the United States Geological Survey, total withdrawals from the Floridan aquifer system in 2000 were ranked 5th highest of all principal aquifers in the nation at 3,640 million gallons per day (Mgal/d) (13.8 million m3/d; 11,200 acre⋅ft/d). Of the total, 49% (1,949 Mgal/d; 7.38 million m3/d; 5,980 acre⋅ft/d) was used for irrigation, 33% (1,329 Mgal/d; 5.03 million m3/d; 4,080 acre⋅ft/d) was used for public water supply, 14% (576 Mgal/d, 2.18 million m3/d; 1,770 acre⋅ft/d) was used for industrial purposes, and 4% were domestic self-supplied withdrawals. The Floridan aquifer system is the primary source of drinking water for most cities in central and northern Florida as well as eastern and southern Georgia, including Brunswick, Savannah, and Valdosta.
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L’aquifère de Floride est une partie de l'aquifère artésien principal qui s'étend en Floride, aux États-Unis. Situé sous les régions côtières du sud-est des États-Unis, il est aussi présent en Géorgie, Alabama et Caroline du Sud.
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32527