18 Florida Lakes II-1

18 Florida Lakes II-1 - unless the sinks again become...

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Florida Lakes
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Subsidence Sinkhole lakes The most common origin of lake formation in Florida Limestone bedrock is dissolved by acids Land subsidence into dissolved limestone cavities creates depressions filled with water
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When water in the underlying carbonate aquifer is low, pressure from the overlying water in the lake can breach the clays , providing hydraulic communication with the underlying limestone aquifer. Sediments of the lake bottom are Organic matter mixed with sand and clay transported into the lake by run-off and streams This organic-clayey-sand layer is underlain thinly by Miocene clays Once the outlets are opened, the lake water will adjust to the level of the water table in the limestone
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Unformatted text preview: unless the sinks again become plugged Variations on a Theme 16,000 to less than 5,000 acres Orange Lake Lake Lochloosa Other Florida Lakes: Features and Types Florida has more natural lakes than any other state in the southeast Florida Lakes are Generally Small Eighty percent of Florida's 8,000 lakes and ponds have a surface area of less than 100 acres (0.16 mi 2 ). Thirty-one Florida lakes are greater than 5,000 acres (3 mi 2 ) in size. Lake Okeechobee, by far the largest lake in Florida, and the 3 rd largest freshwater lake contained wholly within the United States, spans more than 450,000 acres (700 mi 2 ) of open lake...
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This note was uploaded on 02/17/2011 for the course SWS 2007 taught by Professor bonczek during the Fall '09 term at University of Florida.

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18 Florida Lakes II-1 - unless the sinks again become...

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