Shelf sediments adjacent to the Herbert River delta, Great Barrier Reef, Australia

Woolfe, K.J., Larcombe, P., and Stewart, L.K. (2000) Shelf sediments adjacent to the Herbert River delta, Great Barrier Reef, Australia. Australian Journal of Earth Sciences, 47 (2). pp. 301-308.

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Abstract

On the Great Barrier Reef shelf, terrigenous sediments adjacent to the Herbert River delta are strongly partitioned within the coastal zone, in common with the regional presence of a terrigenous inner-shelf sediment wedge. Partitioning is primarily controlled by wind-driven currents and waves associated with persistent southeast trade winds. Bottom-return currents provide the likely mechanism for episodic transport of fine-grained sediment in an offshore direction, although modelled bottom-return currents appear incapable of transporting much sediment seawards beyond the 20 m isobath. This depth corresponds to the observed outer limit of the nearshore sediment wedge

Item ID: 12776
Item Type: Article (Research - C1)
ISSN: 1440-0952
Keywords: grainsize; Great Barrier Reef; Herbert River; sediment transport; sedimentation
Date Deposited: 16 Jul 2012 04:26
FoR Codes: 04 EARTH SCIENCES > 0403 Geology > 040310 Sedimentology @ 100%
SEO Codes: 97 EXPANDING KNOWLEDGE > 970104 Expanding Knowledge in the Earth Sciences @ 100%
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