Low flow frequency analysis at Triang River streamflow station

Low flow analysis is essential for determining the communities' water supply. As water supply is a necessity for human daily survival, it is crucial to recognize that the availability of water can have a significant impact on local livelihoods and the sustainability of local populations. Triang...

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Bibliographic Details
Main Authors: Shairul Rohaziawati, Samat, Nur Allysha Frankfort, Izwan Lewis, Norasman, Othman
Format: Conference or Workshop Item
Language:English
Published: IOP Publishing 2024
Subjects:
Online Access:http://umpir.ump.edu.my/id/eprint/41692/1/Low%20flow%20frequency%20analysis%20at%20Triang%20River%20streamflow%20station.pdf
http://umpir.ump.edu.my/id/eprint/41692/
https://doi.org/10.1088/1755-1315/1296/1/012017
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Summary:Low flow analysis is essential for determining the communities' water supply. As water supply is a necessity for human daily survival, it is crucial to recognize that the availability of water can have a significant impact on local livelihoods and the sustainability of local populations. Triang River is a tributary of the Pahang River in Peninsular Malaysia. The existence of the Triang Water Intake and Treatment Plant along the Triang River stream serves to determine the low flow magnitudes and frequency curves for the Triang River streamflow station using the Weibull, Gringorten, and Cunnane plotting position formulas. Based on 20 years of historical data, this study analyzed the annual minimum streamflow data for 1-, 4-, 7-, and 30-day durations as well as the average recurrence intervals (ARIs) of 2-, 5-, 10-, 20-, 50-, and 100-year streamflow data. These three plotting position formulas were successfully used to estimate the low flow magnitudes for the various durations and different ARIs. The findings can serve as a guide for developing future water resource projects that take into account the Triang River's low flow data.