Regional Frequency Analysis with L-Moments of Extremes Rainfall in Peninsular Malaysia

被引：1
|
作者：
Ilias, Iszuanie Syafidza Che [1 ,2 ]
Jemain, Abdul Aziz [2 ]
机构：
[1] Univ Putra Malaysia, Inst Math Res, Serdang 43400, Malaysia
[2] Univ Kebangsaan Malaysia, Sch Math Sci, Fac Sci & Technol, Bangi 43600, Selangor, Malaysia
来源：
PROCEEDING OF THE 25TH NATIONAL SYMPOSIUM ON MATHEMATICAL SCIENCES (SKSM25): MATHEMATICAL SCIENCES AS THE CORE OF INTELLECTUAL EXCELLENCE | 2018年 / 1974卷
关键词：
regional extreme rainfall frequency analysis; l-moments; wards method; discordancy test;
D O I：
10.1063/1.5041692
中图分类号：
O1 [数学];
学科分类号：
0701 ; 070101 ;
摘要：
Extreme rainfall may cause problems to the social, environmental and ecology. In this paper, we focused on regional frequency analysis of extremes rainfall based on 3-hourly rainfall records by TRMM 3B42 and raingauge data between 1998-2012 at 30 stations of Peninsular Malaysia, Malaysia. Based on the L-Moments method, we developed the regional extreme rainfall frequency analysis in measuring discordancy, regional homogeneity and the goodness-of-fit test to determine the best regional parent distribution. The Wards method is presented to identify the homogenous regions in Peninsular Malaysia and produce 4 acceptably homogeneous regions that had been tested by the L-Moments method. The results show that the L-Moments method is good in term of performance, simplicity and robustness.
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页数：8
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