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Paper Title :
Determining Probability Distribution For Streamflow Regions Using Partial-Moments

Author :Zahrahtul Amani Zakaria, Ani Shabri, Mohd Khalid Awang

Article Citation :Zahrahtul Amani Zakaria ,Ani Shabri ,Mohd Khalid Awang , (2017 ) " Determining Probability Distribution For Streamflow Regions Using Partial-Moments " , International Journal of Advances in Science, Engineering and Technology(IJASEAT) , pp. 41-44 , Volume-5,Issue-1, Spl. Iss-1

Abstract : An attempt has been made to model the annual maximum streamflow, utilizing the guidelines in the regional flood frequency analysis. The Partial L-moments (PL-moments) at several censoring levels are employed to estimate the regional parameters of three extreme value distributions, namely; generalized extreme value (GEV), generalized logistic (GLO) and generalized Pareto (GPA) distributions. A total number of 18 streamflow stations located throughout the eastern region of Peninsular Malaysia were used as a case study. Firstly, the data is screening out for data verification and quality control. Next, identification of homogeneous regions is made using homogeneity test based on PL-moments. The PL - diagram is then constructed and GEV and GLO distributions appeared to be the acceptable distributions for representing the regional data. However, it is relatively difficult to identify a particular distribution that most fitted the regional data.Thus, goodness-of-fit test (Z-test) is used and the result showed that the most appropriate distribution for modeling maximum streamflow in the East Coast of Peninsular Malaysia, based on PL-moments is the GLO distribution. Keywords— Partial L-Moments, Frequency Analysis, Parameter Estimation, Censoring Level.

Type : Research paper

Published : Volume-5,Issue-1, Spl. Iss-1


DOIONLINE NO - IJASEAT-IRAJ-DOIONLINE-6682   View Here

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