Averaged Salinity Distribution After Withdrawal in the Suwanne River Estuary Under Low-Flow Conditions, 2000
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Title: Averaged Salinity Distribution After Withdrawal in the Suwanne River Estuary Under Low-Flow Conditions Projection: Unknown Source Bounding Coordinates: W: -83'15 E: -83 N: 29'22 S: 29'14
Description: This map from the U. S. Geological Survey Water Resources Investigation Report number 99-4268 shows vertically averaged salinity distribution in the upper Suwannee River Estuary near Suwannee, Florida, estimated for a 1,000 cubic feet per second withdrawal scenario under low-flow conditions. Regression analyses of salinity concentrations measured in parts per thousand, or ppt, were used to show the effects on the freshwater/saltwater interface movement of the altered the daily mean discharge of the river. These regressions were used to predict the maximum longitudinal extent of isohalines under low-flow conditions. Isohaline locations shown in red were calculated from the regressions, whereas locations shown in yellow were estimated. The isohalines range from 0.5 ppt to 15 ppt. Source: Gina M. Tillis, USGS Water Resources Investigations Report 99-4268 (Tallahassee, FL: U. S. Geological Survey, 2000) 34 Map Credit: Courtesy the University of South Florida Library