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Ground-water and surface-water flow and estimated water budget for Lake Seminole, southwestern Georgia and northwestern Florida: USGS Scientific Investigations Report 2004-5073
Melinda S. Dalton
Paperback. BiblioGov 2013-03-07.
ISBN 9781288882649
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Förlagets beskrivning
Lake Seminole is a 37, 600-acre impoundment formed at the confluence of the Flint and Chattahoochee Rivers along the Georgia?Florida State line. Outflow from Lake Seminole through Jim Woodruff Lock and Dam provides headwater to the Apalachicola River, which is a major supply of freshwater, nutrients, and detritus to ecosystems downstream. These rivers, together with their tributaries, are hydraulically connected to karst limestone units that constitute most of the Upper Floridan aquifer and to a chemically weathered residuum of undifferentiated overburden. The ground-water flow system near Lake Seminole consists of the Upper Floridan aquifer and undifferentiated overburden. The aquifer is confined below by low-permeability sediments of the Lisbon Formation and, generally, is semiconfined above by undifferentiated overburden. Ground-water flow within the Upper Floridan aquifer is unconfined or semiconfined and discharges at discrete points by springflow or diffuse leakage into streams and other surface-water bodies. The high degree of connectivity between the Upper Floridan aquifer and surface-water bodies is limited to the upper Eocene Ocala Limestone and younger units that are in contact with streams in the Lake Seminole area. The impoundment of Lake Seminole inundated natural stream channels and other low-lying areas near streams and raised the water-level altitude of the Upper Floridan aquifer near the lake to nearly that of the lake, about 77 feet. Surface-water inflow from the Chattahoochee and Flint Rivers and Spring Creek and outflow to the Apalachicola River through Jim Woodruff Lock and Dam dominate the water budget for Lake Seminole
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Ground-water and surface-water flow and estimated water budget for Lake Seminole, southwestern Georgia and northwestern Florida: USGS Scientific Investigations Report 2004-5073
Bokrecensioner » Ground-water and surface-water flow and estimated water budget for Lake Seminole, southwestern Georgia and northwestern Florida: USGS Scientific Investigations Report 2004-5073
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