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Bedload Flux in Southern Brazilian Basalt Scarp : Volume 367, Issue 367 (03/03/2015)

By Merten, G. H.

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Book Id: WPLBN0003989411
Format Type: PDF Article :
File Size: Pages 8
Reproduction Date: 2015

Title: Bedload Flux in Southern Brazilian Basalt Scarp : Volume 367, Issue 367 (03/03/2015)  
Author: Merten, G. H.
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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Merten, G. H., & G. Minell, J. P. (2015). Bedload Flux in Southern Brazilian Basalt Scarp : Volume 367, Issue 367 (03/03/2015). Retrieved from http://worldebooklibrary.com/


Description
Description: Visiting Research Professor, Department of Civil Engineering, University of Minnesota, Minnesota, USA. Frequently, to assess the life expectancy of Brazilian reservoirs, bedload flux has been estimated by using formulas (e.g. the Einstein equations) or by assuming that bedload represents a fixed percentage of the suspended load. This study was carried out to characterize the bedload flux on the basalt scarps of southern Brazil. The bedload was measured over the course of 12 stormflows. The results demonstrated that the bedload flux–streamflow relationship was adequately described by a potential mathematical function. Bedload flux selectively transported particles smaller than D50 surface and subsurface bedstream sediments. When considering the bedload flux–streamflow relationship, the flux ranged from a minimum of 0.24 g m−1 s−1 for a streamflow of 0.53 m3 s−1 to a maximum of 44 g m−1 s−1 for a streamflow of 1.3 m3 s−1. The percentage of bedload/suspended load varied between <1% up to 60%, and this variation was strongly associated with peak flow.

Summary
Bedload flux in southern Brazilian basalt scarp

 

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