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A novel shear vane used to determine the evolution of hydraulic dredge tracks in sub-tidal marine sediments.

Hauton, C and Paterson, D.M. (2003) A novel shear vane used to determine the evolution of hydraulic dredge tracks in sub-tidal marine sediments. Estuarine, Coastal and Shelf Science, 57, (5-6), pp. 1151-1157. (doi:10.1016/S0272-7714(03)00055-6).

Record type: Article

Abstract

A novel shear vane is described which can be used to record the shear strength of discrete depth horizons of a variety of marine sediment types in situ. This vane, or modifications of it, has great potential in allowing measurement of in situ shear strength without requiring any samples to be removed from the sea bed, a process which can often destroy the fine structure of the sediment. The vane was used to monitor the change in sediment shear strength caused by a hydraulic dredge, which was used to fish razor clams (Ensis arcuatus) in a sheltered bay within the Clyde Sea area, Scotland. Data collected using this apparatus provided valuable and immediate information on the stratification of the sea bed post-dredging and allowed the evolution of the dredge track to be regularly monitored by divers over a period of 100 days.

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More information

Published date: 2003
Keywords: shear vane, shear strength, hydraulic dredging, razor clams, Ensis

Identifiers

Local EPrints ID: 24123
URI: http://eprints.soton.ac.uk/id/eprint/24123
PURE UUID: 2b9bfcee-6043-4838-b6f6-45eb7893f9c0
ORCID for C Hauton: ORCID iD orcid.org/0000-0002-2313-4226

Catalogue record

Date deposited: 23 Mar 2006
Last modified: 24 Jul 2017 16:36

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Contributors

Author: C Hauton ORCID iD
Author: D.M. Paterson

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