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Journal of the Geological Society

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Processes and controls involved in the transfer of fluviatile sediments to the deep ocean

Department of Oceanography, University College, Swansea SA2 8PP, UK

Sediment transport processes are described in relation to land surfaces, river systems, estuaries, deltas and continental shelves. Complex interrelationships between variables controlling transport, within each of the environments, are summarized. Extreme rates of mechanical denudation are presented and can be as high as 44 x 10³ tonnes/km²/a (for Taiwan); they compare with mean European rates of around 30 tonnes/km²/a. Comparison is made between some representative rates of mechanical and chemical denudation. River inputs are examined, within the context of deltaic sedimentation patterns. It is suggested that fluviatile sediments can be transported over continental shelf areas and out into the oceans as hyperpycnal discharges. Organic material contained within the sediments is important geologically, in terms of its burial within marine sediments.

This article has been cited by other articles:

				S. E. Poulos and M. B. Collins Fluviatile sediment fluxes to the Mediterranean Sea: a quantitative approach and the influence of dams Geological Society, London, Special Publications, January 1, 2002; 191(1): 227 - 245. [Abstract] [PDF]