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Quantifying bedform migration using multi-beam sonar

Quantifying bedform migration using multi-beam sonar
Quantifying bedform migration using multi-beam sonar
The migration rates of both medium and very large dunes in a part of the North Sea were determined from high-resolution multi-beam echo soundings. From the bathymetric maps, crest positions were determined and compared. From changes in the positions of these crests relative to fixed markers, the migration rates within a tidal cycle and on a seasonal timescale were calculated. The sediment transport rates derived from the migration of the bedforms compare well with theoretical estimates of the residual transport in the area.
0276-0460
306-314
Knaapen, M.A.F.
32abd748-aa55-4180-a3f3-d3315e122fb1
van Bergen Henegouw, C.N.
0dd5fef3-8338-4122-ad1d-667ac4a671e8
Hu, Y.Y.
a261afbf-f320-447b-8bfc-612e34a81b63
Knaapen, M.A.F.
32abd748-aa55-4180-a3f3-d3315e122fb1
van Bergen Henegouw, C.N.
0dd5fef3-8338-4122-ad1d-667ac4a671e8
Hu, Y.Y.
a261afbf-f320-447b-8bfc-612e34a81b63

Knaapen, M.A.F., van Bergen Henegouw, C.N. and Hu, Y.Y. (2005) Quantifying bedform migration using multi-beam sonar. Geo-Marine Letters, 25 (5), 306-314. (doi:10.1007/s00367-005-0005-z).

Record type: Article

Abstract

The migration rates of both medium and very large dunes in a part of the North Sea were determined from high-resolution multi-beam echo soundings. From the bathymetric maps, crest positions were determined and compared. From changes in the positions of these crests relative to fixed markers, the migration rates within a tidal cycle and on a seasonal timescale were calculated. The sediment transport rates derived from the migration of the bedforms compare well with theoretical estimates of the residual transport in the area.

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Published date: November 2005

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Local EPrints ID: 25100
URI: http://eprints.soton.ac.uk/id/eprint/25100
ISSN: 0276-0460
PURE UUID: 79aa70c5-b0b6-4660-bcc6-0464fbf0ef22

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Date deposited: 04 Apr 2006
Last modified: 15 Mar 2024 07:00

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Contributors

Author: M.A.F. Knaapen
Author: C.N. van Bergen Henegouw
Author: Y.Y. Hu

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