19 Lake Okeechobee and World

19 Lake Okeechobee and World - Survey of World Lakes...

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Unformatted text preview: Survey of World Lakes 1.Review of Florida Lakes 2.Origins of Lake Basins 3.Notable World Lakes Florida Lakes Depressions in Ancient Seabed Coastal Dune Lakes Extraterrestrial Lakes Artificial Lakes Sinkhole Lakes Barrier islands and dunes became an obstacle that prevented water from flowing east to the ocean as sea levels dropped Water collected in the flat valley and in larger depressions creating the river and a series of lakes along the river Ancient Depressions: St. Johns River Atla ntic Bar rier Islan d an d Re efs Approximately 100,000 years ago, the area of land that now comprises the river was connected to the Atlantic Ocean Ancient Depression Lakes Ancient Depression Lakes Formed by wave action and water currents as sea levels rose and fell over millions of years bowl-shaped water body that is only a few meters deep. Lake Okeechobee Average 9 ft deep Lake Okeechobee By 1920 Alteration of Flow Hoover Dike (1932) Perimeter Levee (1954) Water Conservation Areas (management of flow) Former extent of Kissimmee Basin and floodplain To Gulf To Atlantic Historic Current EAA “Liquid Heart of S. Florida” Kissimmee/Lake Okeechobee/Everglades Water Source for Everglades Florida Bay Lower E. coast The U.S. Army Corps of Engineers announced today the award of a construction contract that will replace...
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This note was uploaded on 02/24/2011 for the course SWS 2007 taught by Professor bonczek during the Fall '09 term at University of Florida.

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19 Lake Okeechobee and World - Survey of World Lakes...

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