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The geochemistry of sea-bed sediments of the United Kingdom Continental Shelf : the North Sea, Hebrides and West Shetland shelves, and the Malin-Hebrides sea area

Stevenson, A.G.; Tait, B.A.R.; Richardson, A.E.; Smith, T.; Nicolson, R.A.; Stewart, H.R.. 1995 The geochemistry of sea-bed sediments of the United Kingdom Continental Shelf : the North Sea, Hebrides and West Shetland shelves, and the Malin-Hebrides sea area. British Geological Survey, 484pp. (WB/95/028) (Unpublished)

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Abstract/Summary

The sea area around the United Kingdom is used for a wide range of human activities all of which have a significant impact on the marine environment. The naturally-occurring concentrations of chemical elements in sea-bed sediments may be enhanced by contaminants introduced by input from rivers and the atmosphere and by more localised sources arising from shipping operations, exploitation of oil and gas, and by direct discharges from drainage systems, sewage outfalls, effluents from industry and waste' disposal at sea. It is therefore important to identify components of sea-floor sediments which are due to the rocks or older sediments from which they are derived, and those which are introduced into the environment. This report presents regional geochemical data for a variety of sediment types occurring in a wide range of environments. Samples have been collected offshore of the eastern coast of the UK where major river systems which drain heavily populated and industrialised catchment areas, such as the Thames, Humber and Tyne, flow into the North Sea, and on the shelf west of Scotland where man's activities have had much less impact. The data presented here provide a baseline for chemical element concentrations in sea-bed sediments against which future work may be assessed. It should therefore be of significance to a diverse range of interests including pollution control, fishing, natural resources, nature conservation, shipping, tourism, recreation, and waste disposal management. In addition the information will be of use to geologists in identifying the source of sea-bed sediments and the underlying glacial deposits.

Item Type: Publication - Report (UNSPECIFIED)
Funders/Sponsors: British Geological Survey
Additional Information. Not used in RCUK Gateway to Research.: This item has been internally reviewed but not externally peer-reviewed. This report made open by author February 2013
Date made live: 23 Jul 2014 12:04 +0 (UTC)
URI: http://nora.nerc.ac.uk/id/eprint/507899

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