Loss methods in HEC-HMS model for streamflow projection under climate change: a review
by Habibu Ismail; Md Rowshon Kamal; Md Abdul Mojid; Ahmad Fikri Bin Abdullah; Lai Sai Hin
International Journal of Hydrology Science and Technology (IJHST), Vol. 13, No. 1, 2022

Abstract: Hydrologic models are tools used extensively for the simulation of various processes of the hydrological cycle, depending majorly on their characteristics. These models are classified as event-based, simulating a short-term hydrological event and continuous, which simulate hydrological processes for long-term. Among the various factors that characterise the models is a loss method that accounts for the volume of precipitation that falls in the watershed. Thus, certain loss methods are limited only to event-based while others can simulate event and continuous hydrological processes. Appropriate selection of these methods requires knowledge of the watershed, goals of the hydrologic study and engineering judgment. The aim of this paper is to review loss methods in HEC-HMS model for streamflow simulation under climate change, with a view to highlighting their advantages, weaknesses and suitability in watershed development and climate change study. The result of the review showed that despite simplicity and accuracy of deficit and constant loss method of HEC-HMS, studies on climate change impacts using the method are still very few and has not yet been studied in Malaysia.

Online publication date: Tue, 30-Nov-2021

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