Hydrology and Earth System Sciences
Hydrology and Earth System Sciences
HESS
Articles | Volume 22, issue 12
Articles | Volume 22, issue 12
https://doi.org/10.5194/hess-22-6335-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/hess-22-6335-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 22, issue 12
Research article
 | 
06 Dec 2018
Research article |  | 06 Dec 2018

Empirical and analytical methods to characterize the efficiency of floods to move sediment in a small semi-arid basin

Abdesselam Megnounif and Sylvain Ouillon

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Short summary
From a classification of river discharge, the effective or dominant discharge is the one whose class corresponds to the maximum sediment supply. The efficiency of the Wadi Sebdou (NW Algeria) was examined over 1973–2004. Two subdivisions allowed a correct distribution of frequencies and supplies of water and sediments. Their effective discharge, close to the half-load discharge, was compared to analytical values based on statistics and rating curves. Return periods were also explained.
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