The Investigation trend of temperature and precipitation changing using the Man-Kendall test (In the north, center and south of Fars province)

Changing in rainfall can be a sign of global climate change.The climate parameters vary in time and space for a variety of reasons; their changes should be determined by based on observation and using statistical methods.In this study, the Man-Kundal test was used to determine the Change in rainfall and temperature parameters and of the data from three synoptic stations in Shiraz, Fasa and Abadeh in Far s province during the period 1987-2016. The results showed that rainfall in March, November and September had a significant change at the level of 95%. At the Shiraz Station this trend in March and November, the Fasa station in September and November, as well as the Abadeh station in November, is decreasing. The temperature trend recorded in February, March and June of Shiraz, Months of February, March and October of Abade station and at Fasa station, except for January, November and December, are significant at 95%, and this trend is increasing due to the positive ZM. Excepting these months, for both parameters, there is no significant trend according to the Man-Kendall test for other stations in the other month.

Keywords:

Abade , Statistical , Man-Kendall , shiraz , Fasa