Abstract

The article presents the results of a study of the climatic characteristics of the cold period in the city of Ufa of the Republic of Bashkortostan in the modern period. For the analysis, the authors used traditional processing methods. To identify climate changes, different base periods were considered (1961-1990, 1981-2010, 1991-2020). In some cases, time series of long-term observations were available only since 1973, so in these cases two base periods were distinguished. The statistical characteristics and changes in air temperature and its amplitude, the dates of the beginning/end and duration of the cold period, the amount of precipitation, relative humidity, the height of the snow cover and its moisture reserves, the dates of establishment/destruction and the duration of the snow cover are analyzed. Correlations between climatic indicators are shown. The study revealed that in all months of the cold period there is a tendency to increase air temperature, while the greatest contribution is made by an increase in minimum temperatures. A steady reduction in the duration of the cold period was found due to the shift of the start date to a later date, and the end date to an earlier one. The amount of precipitation tends to increase. Due to the reduction of the cold period, the duration of the snow cover in the city of Ufa decreases.

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