DETEKSI KECENDERUNGAN DATA HUJAN DI JAWA TIMUR MENGGUNAKAN MANN-KENDALL TEST
Diniardi, Eka Mustika
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This paper describe temporal variability of rainfall data in East Java region and perform trend analysis using Mean-Kendall-Test. Is there any significant trend amongs periods? Time series data from (9) nine pluviometres around the East Java region were exploited. Daily rainfall data from: 01 January 1960 to 31 Decembre 2005 were used as main input for the analysis. Daily, Monthly and Annual data were visualised by means of Exploratory Data Analysis (EDA) and then analysed using Mean-Kendall Test. Results shows that annual rainfall data from two pluviometres (Sumber Kalong and Gubeng) have significant negatif trend. As contrary, Rainfall data from others locations have no significant trend amongs periods of observation.