Harris, P.T. and Collins, M.B.
Bedform distributions and sediment transport paths in the Bristol Channel and Severn Estuary, U.K.
Marine Geology, 62, (1-2), . (doi:10.1016/0025-3227(84)90059-8).
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Megaripple, sandwave and sand ribbon distributions are mapped from 3088 km of detailed side-scan sonar data, collected in a macrotidal estuary. Sandwave orientations indicate localised bedload divergences which form part of a larger transport system. The previously described “bedload parting zone” is shown to be an oversimplification of transport paths. Results from this investigation are compared and integrated with other sediment transport models for the Bristol Channel and Severn Estuary. Upstream coastal sediment transport is proposed, contrasting with downstream mid-channel movement. Such a pattern may be applicable to other estuarine systems.
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