The Statistical Survey of Precipitation Changes in Saqqez

Message:
Abstract:
In this study at first, we supposed the normality of the data by some statistical parametric methods and then using non-parametric (Mann-Kendall) test, the non-linear trend of basin precipitation changes from a period of 45 years (1961-2005) relating to the synoptic station of Saqqez have been investigated. The statistical test results were: 1-The decreasing trend of spring precipitation is significant. 2-There is a significant increasing in summer precipitation. 3-The numerously at precipitation days at the thresholds 1 to 20mm has been decreased, but it increased at the large thresholds to 25mm. 4-The frequency trend of rainstorms days has the significant increasing.
Keywords:

Precipitation Changes , Mann , Kendall , Non , linear trend , Precipitation days , Saqqez

Language:
Persian
Published:
Journal of Geography and Planning, Volume:16 Issue: 42, 2013
Pages:
239 to 259
https://magiran.com/p1135688  
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