Abstract
Assessment of existing equations on predicting total bed material load was carried out by using data from past study DID (2009) covering Muda River, Langat River, and Kurau River. The sediment transport data from the three rivers were used to evaluate equations developed by Sinnakaudan et al. [1] and Ariffin [2] as well as Engelund & Hansen and Yang equations. The discrepancy ratio is considered acceptable if the ratio between the predicted and the measured total bed material load is between 0.5 and 2.0. The discrepancy ratio for the original equations of Sinnakaudan et al. and Ariffin is found to be 30.37% and 25.70% respectively. On the other hand, the revised equations developed in the present study utilizing the data from the three rivers can increase the accuracy of the total bed material load prediction for use in Malaysian rivers. Newly revised Sinnakaudan et al. and Ariffin equations yield better discrepancy ratio which is 64.49% and 56.08% respectively.
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Harun, M.A., Ab. Ghani, A. (2020). Revised Equations of Total Bed Material Load for Rivers in Malaysia. In: Mohd Sidek, L., Salih, G., Boosroh, M. (eds) ICDSME 2019. ICDSME 2019. Water Resources Development and Management. Springer, Singapore. https://doi.org/10.1007/978-981-15-1971-0_34
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