Trend dalam corak hujan tahunan ekstrim di Semenanjung Malaysia dari 1975-2004

Wan Zawiah Wan Zin, and Abdul Aziz Jemain , (2008) Trend dalam corak hujan tahunan ekstrim di Semenanjung Malaysia dari 1975-2004. Journal of Quality Measurement and Analysis, 4 (1). pp. 219-230. ISSN 1823-5670

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Abstract

Trends in annual maximum rainfall in Peninsular Malaysia have been analysed using daily rainfall records at 50 stations for 30 years. In this study, annual maximum rainfall is defined as the maximum daily rainfall amount recorded in a particular year. Both North-East Monsoon and South-West Monsoon are separated to identify their effect on the extreme rainfall. Rank von Neumann correlation test was performed to detect any correlation between years and followed by Kendall test to detect any significant trend. The magnitude of trends for stations with significant trend was derived from linear regression and computed to get the change value for a century. The results show that only 10% of the stations under study experience either significant increasing or decreasing trends in annual maximum rainfall. Apart from that, the pattern of extreme rainfall received is influenced by respective stations’ location

Item Type:Article
Keywords:Annual maximum rainfall; extreme rainfall; North East Monsoon; South-West Monsoon; Kendall test; Rank von Neumann test; linear regression test
Journal:Journal of Quality Measurement and Analysis
ID Code:1869
Deposited By:Ms. Nor Ilya Othman
Deposited On:15 Jun 2011 15:57
Last Modified:15 Jun 2011 15:57

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