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Year 2022, Volume: 21 , 321 - 327, 31.12.2022

River Basin Nor Faiza Abd Rahman Noramira Hısham Munira Mohammad Vin Cent Taı Khairi Khalıdx Mohamad Shakri Mohmad Sharıf

https://doi.org/10.55549/epstem.1226646

Abstract

Statistical Analysis of 30 Year Rainfall Data: A Case Study for Langat River Basin

Year 2022, Volume: 21 , 321 - 327, 31.12.2022

River Basin Nor Faiza Abd Rahman Noramira Hısham Munira Mohammad Vin Cent Taı Khairi Khalıdx Mohamad Shakri Mohmad Sharıf

https://doi.org/10.55549/epstem.1226646

Abstract

Rainfall is an important factor in civil engineering as it affects the design of hydraulic structures,
bridges and culverts, canals, storm water sewers, road drainage systems, etc. This paper presents the statistical
analysis of 30-year rainfall data collected at eight rainfall stations within the Langat River Basin. Ten plotting
position methods were utilised to evaluate the return period of annual rainfall. The yearly rainfall was computed
to assess the variability of rainfall based on the determined results; the pattern of rainfall is irregular. Weibull
Distribution from Plotting Position methods is found to best fit the annual rainfall data. The findings provide the
insights for determining the correct commencement and cessation of monsoon results, which have the effect on
land utilisation, flood forecasting and emergency planning. This analysis contributes to water management,
water resource planners, farmers, and urban engineers to evaluate the availability of water and develop the
storage accordingly.

Keywords

Weibull distribution Rainfall Precipitation Langat river basin Plotting position.

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Details

Primary Language English
Subjects Engineering
Journal Section Articles
Authors

River Basin Nor Faiza Abd Rahman

Noramira Hısham

Munira Mohammad

Vin Cent Taı

Khairi Khalıdx

Mohamad Shakri Mohmad Sharıf

Publication Date December 31, 2022
Published in Issue Year 2022 Volume: 21

Cite

APA Abd Rahman, R. B. N. F., Hısham, N., Mohammad, M., … Taı, V. C. (2022). Statistical Analysis of 30 Year Rainfall Data: A Case Study for Langat River Basin. The Eurasia Proceedings of Science Technology Engineering and Mathematics, 21, 321-327. https://doi.org/10.55549/epstem.1226646
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