Abstract
The aim of the study is to understand the wind effect on mean water level variation in semi-enclosed shallow basins. The studied physical phenomenon is nearly steady water surface tilting due to wind stress, the so-called wind tide (Platzman (1963)). During strong wind conditions, wind tides can have significant consequences on low-lying areas such as submersion and flooding. Two field sites are monitored in the S-E of France to characterize wind tides and more specifically to understand the relative effect of wind magnitude and depth on the mean water level dynamics.Recorded Presentation from the vICCE (YouTube Link): https://youtu.be/Q30I0taty9w
Highlights
The aim of the study is to understand the wind effect on mean water level variation in semienclosed shallow basins
FIELD SITES AND METHOD The present analysis relies on water level measurements carried out in Berre and Vaccarès lagoons, France, see Figure 1
The consequent linear dependence of S on the effective wind speed squared (Ve2) is used to determine the drag coefficient (CD)
Summary
The aim of the study is to understand the wind effect on mean water level variation in semienclosed shallow basins. FIELD SITES AND METHOD The present analysis relies on water level measurements carried out in Berre and Vaccarès lagoons, France, see Figure 1. Both lagoons have comparable wind exposure and horizontal extension but strongly differ by their depth: the averaged depths are approximately 7 meters in Berre lagoon and 2 meters in Vaccarès lagoon.
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