High bedload transport rates in relation to stream power Wadi Mikeimin, Sinai

Asher P. Schick; Judith Lekach

doi:10.1016/s0341-8162(81)80003-3

High bedload transport rates in relation to stream power Wadi Mikeimin, Sinai

Asher P. Schick, Judith Lekach

Hebrew University of Jerusalem

Research output: Contribution to journal › Article › peer-review

4 Scopus citations

Abstract

A reconstruction of a low-frequency high-magnitude flood event, which occurred in January 1971 in the watershed of Wadi Mikeimin in the arid southeastern Sinai mountains, enabled the evaluation of bedload transport rates in relation to flow characteristics. Unit transport rates between 20 and 100 kg/ms, i.e. at least one order of magnitude higher than nearly all data previously reported, are compatible with data on other rivers. The proportionality of bedload transport rate to unit stream power in excess of that necessary for initial motion, raised to the power of 3/2, has been validated for these very high transport rates, which approach debris flows in character.

Original language	English
Pages (from-to)	43-47
Number of pages	5
Journal	Catena
Volume	8
Issue number	1
DOIs	https://doi.org/10.1016/s0341-8162(81)80003-3
State	Published - 1981
Externally published	Yes

Bibliographical note

Funding Information:
This study grew from an M.Sc. thesis written at The Hebrew University of Jerusalem by Judith Lekach under the supervision ofAsher P. Schick. This paper was reviewed by L.B. Leopold, Moshe Inbar, and ILA. Bagnold. Luna Leopold supplied some ofthe input into Fig. 1 and an updated computer program for the calculation of i b . Bagnold permitted the use of his manuscript, at that time not yet published, and made valuable suggestions. The European Research Office of the U.S. Army, the Ministry of Defence, Government of Israel, and the Central Research Fund of the Hebrew University supported parts of the project.

Funding

This study grew from an M.Sc. thesis written at The Hebrew University of Jerusalem by Judith Lekach under the supervision ofAsher P. Schick. This paper was reviewed by L.B. Leopold, Moshe Inbar, and ILA. Bagnold. Luna Leopold supplied some ofthe input into Fig. 1 and an updated computer program for the calculation of i b . Bagnold permitted the use of his manuscript, at that time not yet published, and made valuable suggestions. The European Research Office of the U.S. Army, the Ministry of Defence, Government of Israel, and the Central Research Fund of the Hebrew University supported parts of the project.

Funders	Funder number
European Research Office of the U.S. Army
Ministry of Defence, Government of Israel
Hebrew University of Jerusalem

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abstract = "A reconstruction of a low-frequency high-magnitude flood event, which occurred in January 1971 in the watershed of Wadi Mikeimin in the arid southeastern Sinai mountains, enabled the evaluation of bedload transport rates in relation to flow characteristics. Unit transport rates between 20 and 100 kg/ms, i.e. at least one order of magnitude higher than nearly all data previously reported, are compatible with data on other rivers. The proportionality of bedload transport rate to unit stream power in excess of that necessary for initial motion, raised to the power of 3/2, has been validated for these very high transport rates, which approach debris flows in character.",

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High bedload transport rates in relation to stream power Wadi Mikeimin, Sinai

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