Field Measurement of Surface Flows in Shallow Estuaries

by Flora C. Wang, Louisiana State Univ, Baton Rouge, United States,
M. R. Sadeghian, Louisiana State Univ, Baton Rouge, United States,

Abstract: This paper summarizes our first-year results of an ongoing multi-discipline project, which examines the physical processes of wetlands erosion and loss in coastal Louisiana. Our task is focused on field measurements of two surface flow components: the channel flow in a tidal bayou and surface overland flow across adjacent tidal marshes. The preliminary results showed, in a tidal bayou, an asymmetry of velocity profile and a more ebb-dominated channel flow; whereas, in tidal marshes, the surface velocity was more flood-dominated and strongly density-dependent.

Subject Headings: Flow measurement | Tides | Overland flow | Channel flow | Estuaries | Wetlands (coastal) | Flow profiles | Water flow | River flow | North America | Louisiana | United States

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