Estimation of annual bedload flux in a macrotidal estuary: Bristol Channel, U.K.
Estimation of annual bedload flux in a macrotidal estuary: Bristol Channel, U.K.
Sedimentological data from the Bristol Channel indicate that “mutually evasive” ebb- and flood-dominant zones of net bedload transport are present. To test this hypothesis, long-term observations of currents from the channel are combined with empirical formulae to estimate annual bedload transport rates under the combined influence of tidal currents and surface wind-waves. Extrapolating these values over the ebb- and flood-dominant zones, sand flux to the upper part of the channel is estimated at about 64 × 105 t yr?1 with supply and removal being of nearly equal magnitude. Such patterns of sand and water movement may be typical of tidally dominated estuaries and embayments.
237-252
Harris, Peter T,
427f0f97-2af8-42db-8ef6-34dfbe2f1ae4
Collins, Michael
3b70278b-0004-45e0-b3c9-0debdf0a9351
September 1988
Harris, Peter T,
427f0f97-2af8-42db-8ef6-34dfbe2f1ae4
Collins, Michael
3b70278b-0004-45e0-b3c9-0debdf0a9351
Harris, Peter T, and Collins, Michael
(1988)
Estimation of annual bedload flux in a macrotidal estuary: Bristol Channel, U.K.
Marine Geology, 83 (1-4), .
(doi:10.1016/0025-3227(88)90060-6).
Abstract
Sedimentological data from the Bristol Channel indicate that “mutually evasive” ebb- and flood-dominant zones of net bedload transport are present. To test this hypothesis, long-term observations of currents from the channel are combined with empirical formulae to estimate annual bedload transport rates under the combined influence of tidal currents and surface wind-waves. Extrapolating these values over the ebb- and flood-dominant zones, sand flux to the upper part of the channel is estimated at about 64 × 105 t yr?1 with supply and removal being of nearly equal magnitude. Such patterns of sand and water movement may be typical of tidally dominated estuaries and embayments.
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Published date: September 1988
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Local EPrints ID: 192539
URI: http://eprints.soton.ac.uk/id/eprint/192539
ISSN: 0025-3227
PURE UUID: dac0c823-697a-4a03-b560-a172e57880d6
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Date deposited: 05 Jul 2011 13:34
Last modified: 14 Mar 2024 03:50
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Author:
Peter T, Harris
Author:
Michael Collins
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