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Sediment transport modelling in a tropical river system

Miloshis, Mike and Valentine, Eric M. (2011). Sediment transport modelling in a tropical river system. In: Valentine, Eric M. and Apelt, C. J. 34th IAHR World Congress, Brisbane Australia, 26 June- 1 July 2011.

Document type: Conference Paper

Author Miloshis, Mike
Valentine, Eric M.
Title Sediment transport modelling in a tropical river system
Conference Name 34th IAHR World Congress
Conference Location Brisbane Australia
Conference Dates 26 June- 1 July 2011
Conference Publication Title Proceedings of 34th IAHR World Congress : 33rd Hydrology and Water Resources Symposium : 10th Conference on Hydraulics in Water Engineering
Editor Valentine, Eric M.
Apelt, C. J.
Place of Publication Barton, A.C.T., Australia
Publisher Engineers Australia
Publication Year 2011
ISSN 9780858258686 (CDROM)   (check CDU catalogue open catalogue search in new window)
Start Page 3635
End Page 3642
Total Pages 8
HERDC Category E1 - Conference Publication (DIISR)
Abstract The Daly River is an important perennial river of the tropical Top End, Northern Territory. Rainfall in the Top End appears to have been greater during the last 40 years than the 100 year long term mean and the resultant increase in overbank flows may be the cause of observed erosion of river banks and deep pool infilling, which threatens fish habitat. A finite element hydrodynamic and sediment transport model of a 10km long reach of river channel and floodplain has been created to investigate the likely cause of channel instability. Morphological changes within the channel during overbank flows are extremely varied but do indicate distinct infilling of pool sections and erosion of river banks. Calibration and verification of the model requires data collection specific to this modelling application. These data are outlined and their relative importance discussed. Applying these outputs to whole of catchment scale sediment interactions will provide a model of fluvial responses to land use and potential climate change.
Keyword Tropical River
Land use change
2-D finite element model
Sediment transport
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Created: Fri, 17 Jan 2014, 00:17:02 CST