Distribution of dissolved-solids concentrations and temperature in ground water of the gulf coast aquifer systems, south-central United States

Pettijohn, Robert A.; Weiss, Jonathan S.; Williamson, Alex K.

Abstract:

The distribution of dissolved-solids concentrations and temperature in waters of 10 of the aquifers comprising the gulf coast aquifer systems of the Gulf Mexico Coastal Plain are mapped at a scale of 1:3,500,000. Dissolved solids concentration in the aquifers of the Tertiary System ranges from less than 500 mg/L at the outcrop and subcrop areas to as much as 150,000 mg/L at the downdip extent of these aquifers. A distinct band of sharply increasing concentration of dissolved-solids occurs at about middip of each aquifer of the Tertiary System. Dissolved-solids concentration in younger aquifers ranges from less than 500 mg/L in outcrop and subcrop areas to about 70,000 mg/L at the downdip extent of these aquifers. Temperature of waters in permeable Tertiary deposits ranges from about 18 C at the outcrop and subcrop areas to 90 C at the downdip extent of these aquifers. Temperature of waters in younger deposits ranges from about 14 C at the outcrop and subcrop areas to 30 C at their downdip extent. (USGS)

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USGS Numbered Series

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44824

Citation Author:

Pettijohn, Robert A.; Weiss, Jonathan S.; Williamson, Alex K.

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ENGLISH

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10 maps on 5 sheets : col. ; sheets 61 x 82 cm., folded in envelope 32 x 24 cm.

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Water-Resources Investigations Report

Citation Series Code:

WRI

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88-4082

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Distribution of dissolved-solids concentrations and temperature in ground water of the gulf coast aquifer systems, south-central United States; 1988; WRI; 88-4082; Pettijohn, Robert A.; Weiss, Jonathan S.; Williamson, Alex K.