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Heat, salt and tracer transport in the Plymouth Sound coastal region: a 3-D modelling study

Published online by Cambridge University Press:  12 August 2003

J.R. Siddorn ,
J.I. Allen  and
R.J. Uncles
J.R. Siddorn
Affiliation:
Plymouth Marine Laboratory, Prospect Place, Plymouth, PL1 3DH, UK The Hadley Centre for Climate Prediction and Research, The Met Office, London Road, Bracknell, RG12 2SY, UK
J.I. Allen
Affiliation:
Plymouth Marine Laboratory, Prospect Place, Plymouth, PL1 3DH, UK
R.J. Uncles
Affiliation:
Plymouth Marine Laboratory, Prospect Place, Plymouth, PL1 3DH, UK
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Abstract

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A 3-D hydrodynamic model of the circulation, salinity and temperature within the embayment of Plymouth Sound, UK and its surrounding English Channel waters has been implemented. Thorough validation of the model shows that the main hydrographic features of the region, as characterized by these variables, are reproduced. The general flow characteristics, and the resultant distribution of freshwater from the main riverine source (the River Tamar), are described. The potential fate of contaminant releases within Plymouth Sound is investigated. Whitsand Bay, located south-west of Plymouth Sound, is shown to be a likely recipient for a proportion of these contaminants, irrespective of where in the Sound the release occurs, and as such is considered to be vulnerable to pollution events originating there.

Type
Research Article
Information
Journal of the Marine Biological Association of the United Kingdom , Volume 83 , Issue 4 , August 2003 , pp. 673 - 682
Copyright
2003 Marine Biological Association of the United Kingdom