بررسي تغييرات زماني دما و بارش در ايستگاه هواشناسي اردبيل

The Assessment of Temperature and Precipitation Temporal Changes in Ardabil

In this paper, monthly and annual temperature and precipitation data has been applied in order that study of temporal changes and forecasting these parameters in a statistical period of 46 years for the Ardabil meteorological station. In this study Transfer function models have been used which is one of the ways of the time series analysis. The temperature and precipitation data has been modeled analyzed and forecasted. Finally, with use of the trend examination the considered station has been examined, and the meaningful or meaningless of changes trend of temperature and precipitation has been characterized. The results of this study show that annual temperature data has not meaningful trend. The assessment of annual precipitation trend, according to the results of trend exams, this data has meaningful trend and in this station annual precipitation has decreasing trend.