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Bedform distributions and sediment transport paths in the Bristol Channel and Severn Estuary, U.K.

Bedform distributions and sediment transport paths in the Bristol Channel and Severn Estuary, U.K.
Bedform distributions and sediment transport paths in the Bristol Channel and Severn Estuary, U.K.
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.
0025-3227
153-166
Harris, P.T.
1157d514-72cd-4390-bd89-0489ff299fe4
Collins, M.B.
3b70278b-0004-45e0-b3c9-0debdf0a9351
Harris, P.T.
1157d514-72cd-4390-bd89-0489ff299fe4
Collins, M.B.
3b70278b-0004-45e0-b3c9-0debdf0a9351

Harris, P.T. and Collins, M.B. (1984) Bedform distributions and sediment transport paths in the Bristol Channel and Severn Estuary, U.K. Marine Geology, 62 (1-2), 153-166. (doi:10.1016/0025-3227(84)90059-8).

Record type: Article

Abstract

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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Published date: 1984

Identifiers

Local EPrints ID: 193911
URI: http://eprints.soton.ac.uk/id/eprint/193911
ISSN: 0025-3227
PURE UUID: 37c985ab-004c-4abf-94ed-69b0fdbb601c

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Date deposited: 21 Jul 2011 14:51
Last modified: 14 Mar 2024 03:57

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Contributors

Author: P.T. Harris
Author: M.B. Collins

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