Yusof, Fadhilah and Ho, Ming Kang (2010) Homogeneity tests on the daily rainfall series in Peninsular Malaysia. In: The 1st IWA Malaysia Young Water Professionals Conference (IWAYWP 2010), 2-4 Mac 2010, Best Western Premier Seri Pacific, K. Lumpur.
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Homogeneity test was performed on the daily rainfall series of stations in Damansara, Johor and Kelantan. Four methods namely standard normal homogeneity test (SNHT), Buishand range test, Pettitt test, and von Neumann ratio tests were chosen to detect the inhomogeneity of the daily rainfall data with at most 10% missing values. To evaluate the performance of the methods used, three different variables were used, which are annual mean, annual maximum and annual median. The results showed that all stations in those three areas are homogeneous and considered as “useful” when annual mean and annual maximum rainfall are used as testing variables. When annual median was used as testing variable, 12.12% of the stations are inhomogeneous and considered as “doubtful” meanwhile 84.84% are homogeneous and considered as “useful”.
|Item Type:||Conference or Workshop Item (Paper)|
|Uncontrolled Keywords:||Homogeneity tests, standard normal homogeneity tests, Buishand range test, Pettitt test, von Neumann ratio test, daily rainfall series|
|Deposited By:||Liza Porijo|
|Deposited On:||24 Sep 2012 05:06|
|Last Modified:||24 Sep 2012 05:06|
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