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Observations And Model Simulations Of Wave-Current Interaction On The Inner Shelf
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2016
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Source: JGR Oceans 121(1): 198-208
[PDF-4.93 MB]
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Journal Title:Journal of Geophysical Research: Oceans
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Description:Wave directions and mean currents observed for two 1 month long periods in 7 and 2 m water depths along 11 km of the southern shoreline of Martha's Vineyard, MA, have strong tidal modulations. Wave directions are modulated by as much as 70° over a tidal cycle. The magnitude of the tidal modulations in the wavefield decreases alongshore to the west, consistent with the observed decrease in tidal currents from 2.1 to 0.2 m/s along the shoreline. A numerical model (SWAN and Deflt3D-FLOW) simulating waves and currents reproduces the observations accurately. Model simulations with and without wave-current interaction and tidal depth changes demonstrate that the observed tidal modulations of the wavefield primarily are caused by wave-current interaction and not by tidal changes to water depths over the nearby complex shoals.
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Source:JGR Oceans 121(1): 198-208
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DOI:
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Sea Grant Document Number:WHOI-R-16-008
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