THE VARIATION OF FLOC SIZES WITHIN A TURBIDITY MAXIMUM AT SPRING AND NEAP TIDES

J.C. McCabe, K.R. Dyer, D.A. Huntley, A.J. Bale

Abstract


The variation of floe size has been measured during spring and neap tides at a height of 0.5 m above the bed in the turbidity maximum of the Tamar Estuary, UK. Two size populations were present. Small floes were eroded from the bed during spring flood tides and were transported up estuary. Large floes were dominant at other times, particularly just after high water when differential settling concentrated large floes near the tip of the salt intrusion.

Keywords


spring tide; neap tide; turbidity maximum; floc size

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