Discussion on ‘The effect of fresh water flow on siltation in the Humber estuary, Northeast UK’ by Pontee NI, Whitehead PA and Hayes CM (ECSS vol. 60, 241–249)

Mitchell, S.B. (2005) Discussion on ‘The effect of fresh water flow on siltation in the Humber estuary, Northeast UK’ by Pontee NI, Whitehead PA and Hayes CM (ECSS vol. 60, 241–249) Estuarine, Coastal and Shelf Science, 62 (4). pp. 725-729. ISSN 0272-7714

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Abstract

This discussion identifies and presents recent data which show that suspended sediment concentrations in the macrotidal Humber–Trent–Ouse system are much higher, and extend further upstream, than originally presented. The importance of a link between tidal range, fresh water flow and recorded suspended sediment concentrations, is illustrated by reference to data collected under the UK Natural Environment Research Council (NERC) Land–Ocean Interaction Study (LOIS) initiative (1992–1998). Data recorded at Burringham, on the River Trent upstream of Trent Falls show a clear link between tidal range and suspended sediment concentrations which is strongly influenced by the downstream flushing effects of high fresh water flow events. While the arguments presented in this discussion do not contradict the main findings in the original paper it is proposed that a better understanding of siltation in the Humber system may be promoted by understanding the behaviour of the turbidity maximum in this system and its related mobile sediment population. It is suggested that the rapid reduction in suspended sediment concentration brought about by sudden increases in fresh water flow is probably indicative of the highly canalised nature of the tidal reaches of the Trent and Ouse.

Item Type:Journal article
Uncontrolled Keywords:turbidity maximum; fresh water flow; tidal range; macrotidal estuary; Humber
Subjects:F000 Physical Sciences > F800 Physical Geography and Environmental Sciences > F850 Environmental Sciences
DOI (a stable link to the resource):10.1016/j.ecss.2004.10.007
Faculties:Faculty of Science and Engineering > School of Environment and Technology > Applied Geosciences
ID Code:1244
Deposited By:editor environment
Deposited On:23 Nov 2006
Last Modified:02 May 2012 10:18

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