Trend analysis and change point detection of annual and seasonal precipitation and temperature series over southwest Iran

作者: MOHAMMAD ZARENISTANAK , AMIT G DHORDE , R H KRIPALANI

DOI: 10.1007/S12040-013-0395-7

关键词: Winter seasonClimate changeSeries (stratigraphy)Trend analysisChange detectionPrecipitationEnvironmental scienceMean radiant temperatureClimatologyMaximum temperature

摘要: This paper presents results of trend analysis and change point detection annual seasonal precipitation, mean temperature (TM), maximum (TMAX) minimum (TMIN) time series the period 1950–2007. Investigations were carried out for 50 precipitation stations 39 located in southwest Iran. Three statistical tests including Pettitt’s test, Sequential Mann–Kendall test (SQ-MK test) rank (MK-test) used analysis. The obtained indicated that most showed insignificant trends series. Out which significant trends, highest numbers observed during winter season while no detected summer precipitation. Moreover, decreasing by revealed a increase spring seasons. TMAX was more stable than TMIN TM, compared to summer, autumn positive mutation points began 1990s.

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