High-frequency flow, pressure and suspended sediment concentration (SSC) measurements are presented from the Paralia-Katerinis coastal area, in Thermaikos Gulf. The data were collected along a cross-shore transect, between the 6 and 12 m water depth contours. The relative importance of wave- and tidally-induced resuspension is examined. Resuspension events are shown to be dominated by wind-generated waves, especially under storm conditions. Some evidence is provided for tidal resuspension, but the overall impact of this process is minimal, compared to wave resuspension. Such resuspension, under storm conditions, increased the SSC levels in the waters of the nearshore zone to 35 mg/l; this is a >15-fold increase over the ambient levels (1–2 mg/l) of turbidity.
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Citation
Paphitis, D. and Collins, M.B. (2005) Sediment resuspension events within the (microtidal) coastal waters of Thermaikos Gulf, northern Greece Continental Shelf Research, 25, (19-20), pp. 2350-2365. (doi:10.1016/j.csr.2005.08.028).
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