Design and Execution of Hydrodynamic Field Data Collection using Acoustic Doppler Current Profiling Equipment

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by Timothy L. Fagerburg, (M.ASCE), US Army Waterways Experiment Station, Vicksburg, United States,
Thad C. Pratt, US Army Waterways Experiment Station, Vicksburg, United States,

Document Type: Proceeding Paper

Part of: Fundamentals and Advancements in Hydraulic Measurements and Experimentation:

Abstract: Proposed major changes to the navigation channel depth in the Cape Fear River prompted an investigation of the existing hydrodynamics of the river system. The observed data are to be used in a numerical model study of the proposed improvements. Verification and the subsequent application of a numerical model requires sufficient field data to demonstrate that the model is reproducing the existing hydrodynamics of the system. The U.S. Army Engineer District, Wilmington and the Waterways Experiment Station have recently concluded a detailed data collection program to provide these data on the Cape Fear River system. The data collection effort began in August 1993 and ended in October 1994. Long-term (45 days) and short-term (2 days) data were collected at the boundaries of the proposed model as well as various interior locations. These data consist of water surface elevations, magnitude and direction of currents, and salinity concentrations. Current profiles were obtained using Acoustic Doppler Current Profiler system.

Subject Headings: Data collection | Hydrologic data | Data processing | Hydrodynamics | Hydrologic models | Numerical models | Acoustic techniques | Field tests | Doppler systems | Salt water | Navigation (waterway) | North America | Delaware | Wilmington | United States

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