CHOOSING THE BEST FIT DISTRIBUTION FOR RAINFALL EVENT CHARACTERISTICS BASED ON 6H-IETD WITHIN PENINSULAR MALAYSIA

Authors

  • Zulkarnain Hassan The School of Environmental Engineering, Universiti Malaysia Perlis, Arau, Perlis, Malaysia
  • Supiah Shamsudin Razak School of Engineering and Advanced Technology, Universiti Teknologi Malaysia-Kuala Lumpur, Kuala Lumpur, Malaysia
  • Sobri Harun Faculty of Civil Engineering, Universiti Teknologi Malaysia, 81310, UTM Johor Bahru, Johor, Malaysia

DOI:

https://doi.org/10.11113/jt.v75.3058

Keywords:

Rainfall event, distribution model, inter-event time definition, Peninsular of Malaysia

Abstract

In selecting the best-fit distribution model for the rainfall event characteristics based on the inter-event time definition (IETD) of 6 hours for the selected rainfall in the Peninsular of Malaysia, seven distributions were utilized namely the beta (B4), exponential (EX1), gamma (G2), generalized extreme value (GEV), generalized Pareto (GP), Log-Pearson 3 (LP3), and Wakeby (WKB). Maximum likelihood estimation (MLE) was applied to estimate the parameters of each distribution.  Based on the results, GP, WKB and GEV were found to be the most suitable distribution for describing the rainfall event characteristics in the studied regions.  

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Published

2015-06-24

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Section

Science and Engineering

How to Cite

CHOOSING THE BEST FIT DISTRIBUTION FOR RAINFALL EVENT CHARACTERISTICS BASED ON 6H-IETD WITHIN PENINSULAR MALAYSIA. (2015). Jurnal Teknologi, 75(1). https://doi.org/10.11113/jt.v75.3058