University of Texas at Austin

Cape Fear Formation, South Carolina Coastal Plain (02)

Comments on Geologic Parameters

02 Permeability/Hydraulic Conductivity:

There are few studies that provide estimates of hydraulic conductivity or permeability for the Cape Fear interval. Temples and Waddell (1996) reported permeabilities ranging from 1,000 to 6,000 millidarcys. Aucott (1988), in his modeling studies of regional aquifers, presented a map showing spatial distribution of transmissivities in the Cape Fear interval. We used his transmissivity values. Recalling Hydraulic Conductivity = Transmissivity/Aquifer Thickness, we used the Cape Fear aquifer thickness GIS data layer to convert Aucott's (1988) transmissivity values to hydraulic conductivity.

02 Map:

map

02 Reference:

Aucott, W. R., Davis, M. E., and Speiran, G. K., 1987, Geohydrologic framework of the Coastal Plain aquifers of South Carolina: U.S. Geological Survey, Water-Resources Investigations Report 85-4271, 7 sheets.

Temples, T. J., and Waddell, M. G., 1996, Application of petroleum geophysical well logging and sampling techniques for evaluating aquifer characteristics: Ground Water, v. 34, p. 523–531.

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