Field Investigation in an Estuary: A Case Study of Cooper River/Charleston Harbor

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by George M. Fisackerly, US Army Engineer Waterways, Experiment Station, United States,
Allen M. Teeter, US Army Engineer Waterways, Experiment Station, United States,

Document Type: Proceeding Paper

Part of: Hydraulic Engineering:

Abstract: In 1942, the flow of the Cooper/Ashley/Wando (South Carolina) River complex was altered by a flow diversion project. Subsequently, Charleston Harbor suffered a dramatic increase in maintenance dredging requirements. A hydropower dam was built on the upper Cooper River, further complicating the flow regime. In 1985, a 'rediversion' was completed, returning the system to a plan condition similar to the original with the eventual goal of alleviating shoaling in Charleston harbor. A field investigation was conducted to observe stratification in the harbor and salinity intrusion in the Cooper River. Extensive data were collected for various combinations of tides and freshwater inflows. Design and implementation of the investigation included consideration of a number of standard data collection applications as well as negotiation of inevitable pitfalls.

Subject Headings: Field tests | Ports and harbors | Case studies | Estuaries | Water resources | Salt water intrusion | Rivers and streams | River flow | Tides | Data collection | South Carolina | North America | United States

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