Development of an Estimated Water-Table Map for Coastal Georgia and Adjacent Parts of Florida and South Carolina
Peck, Michael F.
Payne, Dorothy F.
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An estimated water-table map was constructed to provide boundary conditions for groundwater-flow models of coastal Georgia, and adjacent parts of Florida and South Carolina. A linear-regression analysis was used to describe the relation between ground-water-level elevations derived from the U.S. Geological Survey National Water Information System, and land-surface elevations derived from a digital elevation model. The map encompasses a 37,300-square-mile area and includes 57 counties in Georgia, 7 counties in South Carolina, and 5 counties in Florida. Water-level data for wells 100 feet or less in depth were used for the analysis. In order to achieve a relatively even spatial distribution, the data were temporally unconstrained, but were spatially filtered.