Piedmont Geohydrology: Implications for Flow and Transport
Dowd, John F.
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Little attention has been paid to groundwater and contaminant flow in complicated geohydrologic settings such as the Piedmont Province. Usually, analogy is made, either explicitly or implicitly, to hydrologic conditions in the Coastal Plain. Such analogies are inappropriate. The flow domain in the Piedmont consists of the following materials: a thin layer of soil, a variably thick zone of chemically weathered bedrock (saprolite), a transition zone of less-well weathered rock that gradates into a relatively unweathered fractured bedrock. This paper will examine some theoretical flow conditions of the saturated saprolite/ bedrock system to illustrate how water flows through this system.