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Do Suspended Sediment and Bedload Move Progressively from the Summit to the Sea Along Magela Creek, Northern Australia? : Volume 367, Issue 367 (03/03/2015)

By Erskine, W. D.

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Book Id: WPLBN0003990152
Format Type: PDF Article :
File Size: Pages 8
Reproduction Date: 2015

Title: Do Suspended Sediment and Bedload Move Progressively from the Summit to the Sea Along Magela Creek, Northern Australia? : Volume 367, Issue 367 (03/03/2015)  
Author: Erskine, W. D.
Volume: Vol. 367, Issue 367
Language: English
Subject: Science, Proceedings, International
Collections: Periodicals: Journal and Magazine Collection, Copernicus GmbH
Historic
Publication Date:
2015
Publisher: Copernicus Gmbh, Göttingen, Germany
Member Page: Copernicus Publications

Citation

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Turner, K., Saynor, M. J., Evans, K. G., Whiteside, T., Erskine, W. D., & Boyden, J. (2015). Do Suspended Sediment and Bedload Move Progressively from the Summit to the Sea Along Magela Creek, Northern Australia? : Volume 367, Issue 367 (03/03/2015). Retrieved from http://www.ebooklibrary.org/


Description
Description: Hydrological, Geomorphological and Chemical Processes Group, Environmental Research Institute of the Supervising Scientist, GPO 461, Darwin NT 0801, Australia. Soil erosion rates on plots of waste rock at Ranger uranium mine and basin sediment yields have been measured for over 30 years in Magela Creek in northern Australia. Soil erosion rates on chlorite schist waste rock are higher than for mica schist and weathering is also much faster. Sediment yields are low but are further reduced by sediment trapping effects of flood plains, floodouts, billabongs and extensive wetlands. Suspended sediment yields exceed bedload yields in this deeply weathered, tropical landscape, but the amount of sand transported greatly exceeds that of silt and clay. Nevertheless, sand is totally stored above the topographic base level. Longitudinal continuity of sediment transport is not maintained. As a result, suspended sediment and bedload do not move progressively from the summit to the sea along Magela Creek and lower Magela Creek wetlands trap about 90.5% of the total sediment load input.

Summary
Do suspended sediment and bedload move progressively from the summit to the sea along Magela Creek, northern Australia?


 

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