Abstract
Hydrological modeling is a commonly used tool to estimate the basin’s hydrological response due to precipitation. This study aims to calibrate and validate the rainfall-runoff transformation model for Bukit Kenau Station in Kuantan River Basin (KRB) using HEC-HMS (Hydrologic Engineering Centre Hydrology Modeling System). For the loss rate, SCS Curve Number method was selected while Clark Unit Hydrograph was used for the transform method. The model calibration and validation efficiency were verified using the Nash-Sutcliffe model efficiency (ME). As a result, the model calibration and validation were found to be satisfactory with ME between 0.5 to 0.8. The model can be used to forecast the river flow and helps in the flood mitigation works to reduce the impacts along with the cost use. Besides, the result obtained from this study can be used as a guideline for future flood risk assessment works in the study area.
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