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Ground-Water Recharge from Streamflow Data, NW Florida

by John Vecchioli, U.S. Geological Survey, Tallahassee, United States,
W. C. Bridges, U.S. Geological Survey, Tallahassee, United States,
R. P. Rumenik, U.S. Geological Survey, Tallahassee, United States,
J. W. Grubbs, U.S. Geological Survey, Tallahassee, United States,



Document Type: Proceeding Paper

Part of: Structures for Enhanced Safety and Physical Security

Abstract:

Annual base flows of streams draining Okaloosa County and adjacent areas in northwest Florida were determined through hydrograph separation and correlation techniques for purposes of evaluating variations in ground-water recharge rates. Base flows were least in the northern part of the county and greatest in the southern part. Topographic and soils data were then superimposed on the distribution of base flow by subbasin to produce a map showing distribution of ground-water recharge throughout the county. The highest recharge rate occurs in the southern part of the county where relatively flat upland areas underlain by excessively drained sandy soils result in minimal storm runoff and evapotranspiration.

Subject Headings: Base flow | Groundwater recharge | Water resources | Streamflow | Groundwater flow | Water flow | Topographic surveys | Florida | United States

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