Modelling deltaic progradation constrained by a moving sediment source

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Title:	Modelling deltaic progradation constrained by a moving sediment source
Authors:	Dai, Hsi-Heng;Rocio Luz Fernandez;Gary Parker;Marcelo H. Garcia;Wonsuck Kim
Contributors:	淡江大學水資源及環境工程學系
Keywords:	Delta;numerical model;progradation;sediment transport;tailing;turbidity current
Date:	2013
Issue Date:	2014-02-20 16:24:30 (UTC+8)
Publisher:	Abingdon: Taylor & Francis
Abstract:	A physically-based moving boundary model of deltaic progradation is developed. Surface of the axially symmetric, inner delta is free to grow or shrink in time, while the sediment source is allowed to migrate along the streamwise direction. Particularly, the model developed here captures the control of a downstream migrating sediment source on a lateral extent of the delta. Along this line, the modelling results provide insight into the sedimentation processes associated with elongated fan–delta systems. Further calculations allow to determining the influence of ratio between water and sediment discharges on delta morphology. The model uses appropriately the laboratory observations described in a companion paper.
Relation:	Journal of Hydraulic Research 51(3), pp.284-292
DOI:	10.1080/00221686.2012.762554
Appears in Collections:	[Graduate Institute & Department of Water Resources and Environmental Engineering] Journal Article

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