Özet:

The area of the study is formed by the Aras-Kura closed pool located in the Eastern Anadolu Region. The Aras and Kura streams are located within the waters that cross the border of Turkey and after unification in Azerbaijan are thrown into the Hazar Lake. The subject of the study is to do trend analysis using the average temperature, total rainfall and flow data (1970-2015) of the 7 meteorological stations (Ardahan, Arpaçay, Sarıkamış, Doğubeyazıt, Horasan, Iğdır, Kars) with more than 30 years in the pool (1970-2018) and the current data (1970-2015) of the 4 current observation stations (Kağızman, Şahnalar, Güvercinkaya, Sarısu Nonak). The objective of the research is to analyze the annual and seasonal trends of these data by addressing the monthly measured average temperature, rainfall and flow data of the meteorology and current observation stations that measure throughout the basin for many years. Such a topic was chosen with the view that changes in climate parameters will be easier to notice in closed swimming pools. It is also called for a contribution to the national and international literature on climate change studies and a further example of Turkey. The research method was based on the Mann-Kendall Test and the Spearman's Rho Test. According to the results obtained, significant increases in average temperatures throughout the pool have been observed while the rainfall has been observed significant increases in the Ardahan and Kars meteorological stations and in other stations there is no trend. A significant increase in the flow from the stream observation stations at the Kağızman station, a significant decrease in the Sarısu Nonak station, and in other stations there was no trend. The temperature rise observed throughout the basin is clear that there is no significant impact on rain and flow.

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