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Frequency analysis of maximum daily rainfalls via L-moment approach

Knowledge related to distributions of rainfall amounts are of great importance for the design of water related structures. The greater problem faced by the hydrologists and engineers is identifying the best distribution form for regional data. The main goal of the study is to perform regional freque...

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Main Authors: Ani Shabri,, Noratiqah Mohd Ariff,
Format: Article
Language:English
Published: Universiti Kebangsaan Malaysia 2009
Online Access:http://journalarticle.ukm.my/73/1/
http://journalarticle.ukm.my/73/
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spelling my-ukm.journal.732016-12-14T06:26:19Z http://journalarticle.ukm.my/73/ Frequency analysis of maximum daily rainfalls via L-moment approach Ani Shabri, Noratiqah Mohd Ariff, Knowledge related to distributions of rainfall amounts are of great importance for the design of water related structures. The greater problem faced by the hydrologists and engineers is identifying the best distribution form for regional data. The main goal of the study is to perform regional frequency analysis of maximum daily rainfalls selected each year among daily rainfalls measured over stations in Selangor and Kuala Lumpur using the L-moment method. Several distributions were taken into account in this study which include two-parameter normal (NOM), lognormal (LN2), three-parameter lognormal (LN3), logistic (LOG), generalized logistic (GLO), extreme value type I (EV1), generalized extreme value (GEV) and generalized Pareto (GPA) distribution. The most suitable distribution was determined according to the mean absolute deviation index (MADI), mean square deviation index (MSDI) and the L-moment ratio diagram. The result of this study showed that the GLO distribution is the most suitable distribution to fit the data of maximum daily rainfalls for stations in Selangor and Kuala Lumpur. Universiti Kebangsaan Malaysia 2009-04 Article PeerReviewed application/pdf en http://journalarticle.ukm.my/73/1/ Ani Shabri, and Noratiqah Mohd Ariff, (2009) Frequency analysis of maximum daily rainfalls via L-moment approach. Sains Malaysiana, 38 (2). pp. 149-158. ISSN 0126-6039
institution Universiti Kebangsaan Malaysia
building Perpustakaan Tun Sri Lanang Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Kebangsaan Malaysia
content_source UKM Journal Article Repository
url_provider http://journalarticle.ukm.my/
language English
description Knowledge related to distributions of rainfall amounts are of great importance for the design of water related structures. The greater problem faced by the hydrologists and engineers is identifying the best distribution form for regional data. The main goal of the study is to perform regional frequency analysis of maximum daily rainfalls selected each year among daily rainfalls measured over stations in Selangor and Kuala Lumpur using the L-moment method. Several distributions were taken into account in this study which include two-parameter normal (NOM), lognormal (LN2), three-parameter lognormal (LN3), logistic (LOG), generalized logistic (GLO), extreme value type I (EV1), generalized extreme value (GEV) and generalized Pareto (GPA) distribution. The most suitable distribution was determined according to the mean absolute deviation index (MADI), mean square deviation index (MSDI) and the L-moment ratio diagram. The result of this study showed that the GLO distribution is the most suitable distribution to fit the data of maximum daily rainfalls for stations in Selangor and Kuala Lumpur.
format Article
author Ani Shabri,
Noratiqah Mohd Ariff,
spellingShingle Ani Shabri,
Noratiqah Mohd Ariff,
Frequency analysis of maximum daily rainfalls via L-moment approach
author_facet Ani Shabri,
Noratiqah Mohd Ariff,
author_sort Ani Shabri,
title Frequency analysis of maximum daily rainfalls via L-moment approach
title_short Frequency analysis of maximum daily rainfalls via L-moment approach
title_full Frequency analysis of maximum daily rainfalls via L-moment approach
title_fullStr Frequency analysis of maximum daily rainfalls via L-moment approach
title_full_unstemmed Frequency analysis of maximum daily rainfalls via L-moment approach
title_sort frequency analysis of maximum daily rainfalls via l-moment approach
publisher Universiti Kebangsaan Malaysia
publishDate 2009
url http://journalarticle.ukm.my/73/1/
http://journalarticle.ukm.my/73/
_version_ 1643734607131049984
score 13.211869

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