17 Recharge and Flow 3

17 Recharge and Flow 3 - 21,000 acres 1 De Soto 1774...

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As water levels belowground decline, the pressure beneath the land surface drops, causing an increase in water seeping from lakes into the ground Rainfall and shallow groundwater are the greatest factors affecting water levels in Florida’s lakes. Lake Water Levels
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Keystone Heights Blue Pond Lake Lowry Magnolia Lake Lake Brooklyn Lake Geneva Interconnected cluster of lakes Supplied by rainwater Sandy bottoms contact the Floridan Aquifer below Lake levels are controlled by water in the aquifer. Groundwater withdrawals continue to increase. Thriving Lake Community
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Plug the Bottom?
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Paynes Prairie 1871 -1892 Alachua Lake Depression Underlain by porous limestone First State Preserve: 1971
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Unformatted text preview: 21,000 acres 1 De Soto 1774 Bartram Water levels are controlled by rainfall Drained by large sinkhole Thicker sands and some clays (subsidence sinkholes) Cohesive clays up to 200ft (Cover Collapse sinkholes) Sinkholes and Lakes Statewide 35% lakes Lake, Polk, Osceola, Orange Thick sands and some clays (subsidence sinkholes) Subsidence Sinkhole Lakes Extra Credit: 1. The most common type of sinkhole producing lakes in Florida is ______________________ 2. Lake levels in Keystone Heights are controlled by water levels in the underlying ____________ 3. The first state preserve in Florida was _________...
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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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17 Recharge and Flow 3 - 21,000 acres 1 De Soto 1774...

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