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Streamflow Characteristics at Selected Sites in Southwestern Georgia, Southeastern Alabama, and Northwestern Florida, Near Lake Seminole

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Flow durations, low-flow and mean-flow analyses of daily mean discharges are compiled for 12 streamflow stations in southwestern Georgia, southeastern Alabama and northwestern Florida for three selected periods. The selected periods include pre-Lake Seminole 1929-53 post-Lake Seminole and pre-irrigation 1958-70 and post-Lake Seminole and post-irrigation 1976-93 or as noted for partial periods. The analyses yield information on how inflow to and outflow from Lake Seminole and flows for three tributary streams varies over the these selected periods. Streamflow characteristics for two of the tributary streams -- Ichawaynochaway Creek and Milford Ga. and Chipola River near Altha, Fla. vary similarly from the period 1944-53 to 1958-70 with mean-low flows decreasing by about 12 percent and 2 percent respectively. This decreasing trend continued from the period 1958-70 to 1976-93 mean-low flows decreased by about 30 percent at Ichawaynochaway Creek and decreased at Chipola River by about 5 percent. Mean-low flows at Spring Creek near Iron City Ga. show only a slight increase from the period 1944-53 to 1958-70. Streamflow characteristics for inflow to and outflow from Lake Seminole vary similarly from the period 1929-53 to 1958-70 to 1976-93. Mean 30-day low-flows for inflow and outflow of Lake Seminole increases by about 24 to 11 percent respectively from the period 1929-53 to 1958-70 and then returns to near 1929-53 low-flow values for the 1976-93 period.

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  • Hydrology, Limnology and Potamology

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