LOWER ACF BASIN

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Hydrogeologic Assessment and Simulation of Stream-Aquifer Relations in the Lower Apalachicola-Chattahoochee-Flint River Basin

Progress and Significant Results, 2001

• Located 25 sites for test boring, geophysical logging, well drilling and installation, and aquifer testing; 23 sites were found suitable for drilling and aquifer testing (map, facing page).
• Compiled existing hydrogeologic information into digital form and assembled structure-contour maps of Upper Floridan aquifer and surficial units. Maps enabled development of hydrogeologic framework.
• Prepared well data for entry to Ground-Water Site Inventory (GWSI) database.
• Initiated development of graphical user interface (GUI) for processing data into model inputs and for depicting model results.
• Estimated ground-water contribution to streamflow for selected reaches during three periods of low flow during 1999–2000 using hydrograph separation techniques.