Transverse Velocity Distribution In Relation To Bed Load Movement In Natural Channels
Author(s)
J. Ariffin, A. Ab. Ghani, N. A. Zakaria, A. S. Yahya & S. Abdul-Talib
Abstract
The transverse velocity distribution in a plane normal to the direction of flow with respect to bed load movement is analysed. There are limited studies on the transverse velocity profiles in natural channels with B/y0 aspect ratio greater than 10. The findings are based on observations under field conditions in two rivers namely Sungai Lui and Sungai Semenyih. In this paper, results of field experiments on the effects of velocity to bed load profile were examined. The findings indicated that velocity was not the only determining g factor to the change in bed load profile. Other contributing factors responsible for the change include bed slope and composition of the bed load.
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