Study of Climate change and extreme climate indicators of temperature parameters in Guilan province

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asaadi oskouei Ebrahim; mortezapour Saman

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Journal: NIVAR Year:2020 | Volume: | Issue: Page(s): 91-106

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Information Journal Paper

Title

Study of Climate change and extreme climate indicators of temperature parameters in Guilan province

Author(s)

asaadi oskouei Ebrahim | mortezapour Saman | Issue Writer Certificate

Keywords

climate change

Climate Indices

Guilan province

Abstract

Temperature is one of the main climatic parameters and its changes have a great impact on many natural processes, on the other hand, climatic indices which are based on temperature are considered as the main indicators of climate change in related researches. In this study, daily temperature data of 30-year temperature of the five synoptic stations in Guilan province were used for assessing climatic changes of the temperature parameters as well as the climatic indexes of the temperature extreme events in the region. In analyzing the results, significance levels of 0. 1, 1, 5 and 10% were considered. Trend analysis was examined using the Man-Kendall statistical and graphical trend tests, single-variable regression, and extreme climate indexes. The results show that temperature parameters maintain an increasing trend in the region with meaningful level of confidence. The arithmetic mean of the increase in temperature at all of the stations was 0. 5 and, as examples for the average temperature, the city of Rasht had an increasing decadal trend of 0. 46 degrees Celsius, which consequently causes 1. 38 degrees Celsius increase in the whole study period. Other extreme temperature indicators were also showing significant increasing trends in the region, as the proofs of climate change occurrence. In seasonal term, Temperature indices have the highest seasonal dependency in summer and the lowest dependence in autumn.

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APA: Copy

asaadi oskouei, Ebrahim, & mortezapour, Saman. (2021). Study of Climate change and extreme climate indicators of temperature parameters in Guilan province. NIVAR, 44(110-111 ), 91-106. SID. https://sid.ir/paper/954478/en

Vancouver: Copy

asaadi oskouei Ebrahim, mortezapour Saman. Study of Climate change and extreme climate indicators of temperature parameters in Guilan province. NIVAR[Internet]. 2021;44(110-111 ):91-106. Available from: https://sid.ir/paper/954478/en

IEEE: Copy

Ebrahim asaadi oskouei, and Saman mortezapour, “Study of Climate change and extreme climate indicators of temperature parameters in Guilan province,” NIVAR, vol. 44, no. 110-111 , pp. 91–106, 2021, [Online]. Available: https://sid.ir/paper/954478/en

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