Waterhouse, A. F., University of Florida, Gainesville, USA, amy.waterhouse@gmail.com
Valle-Levinson, A. ., University of Florida, Gainesville, USA, arnoldo@ufl.edu

SPATIAL STRUCTURE OF TIDAL AND RESIDUAL FLOWS AT A TIDAL INLET

Located on the northeastern coast of Florida, Ponce Inlet is a shallow, short estuary with depths ranging between 2m in the shallows up to 10m in the thalweg. Current speeds, surface and profiling measurements of conductivity, temperature and depth were collected over a semi-diurnal tidal cycle on September 5, 2007. The mean flow in this estuary agrees with the flow structure of tidally dominated residual flow: inflow in the deeper channel and outflow through the shallower shoals. However, lateral gradients in density with values close to 0.01 kg/m^4 are observed during ebb but become negligible during flood. The importance of the forcing caused by the ebb-tide density gradient relative to tidal influence and bathymetric effects are assessed.

Poster presentation

Presentation is given by student: Yes
Session #:159
Date: 03-05-2008
Time: 17:30 - 19:30

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