Sediment transport in distributary channels and its export to the pro-deltaic environment in a tidally dominated delta: Fly River, Papua New Guinea

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ID: 269471
2004
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Abstract
Current metre deployments, suspended sediment measurements and surface sediment samples were collected from three locations within distributary channels of the tidally dominated Fly River delta in southern Papua New Guinea. Net bedload transport vectors and the occurrence of elongate tidal bars indicate that mutually evasive ebb- and flood-dominant transport zones occur in each of the distributary channels. Suspended sediment experiments at two locations show a phase relationship between tidal velocity and sediment concentration such that the net suspended sediment flux is directed seaward. Processes that control the export of fluid muds with concentrations up to 10 g l−1 from the distributary channels across the delta front and onto the pro-delta are assessed in relation to the available data. Peak spring tidal current speeds (measured at 100 cm above the bed) drop off from around 100 cm s−1 within the distributary channels to
Reference Key
keene2004continentalsediment Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Peter T. Harris,Michael Hughes,Elaine K. Baker,Robert W. Dalrymple,Jock B. Keene;Peter T. Harris;Michael Hughes;Elaine K. Baker;Robert W. Dalrymple;Jock B. Keene;
Journal continental shelf research
Year 2004
DOI
10.1016/j.csr.2004.07.017
URL
https://sciprofiles.com/publication/view/7759b2de0e1ef897e9efdf2051199455
Keywords
turbidity sediment transport bedload suspended load autosuspension hyperpycnal flow mutually evasive deltaic tide-dominated

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