Abstract

Two climatic phases were revealed in dynamics of annual air temperature in Veliky Novgorod during last 120 years: moderate cold (18991970) and warm (19882018). Mean rate of air temperature increasing during the recent warming consisted 0.47 С per 10 years. The highest growth of air temperature was observed in spring and autumn. It was established that this process in other regions of the North-Western federal district of Russian Federation also began in the late 1980s. The highest mean positive anomaly of annual air temperature in 19882018 was observed in Veliky Novgorod and Naryan-Mar (1.3С), while the lowest one in Vologda (0.9 С). It was shown that start of the recent climate warming in the North-Western European Russia coincided with weakening of meridional type of atmospheric circulation and intensification of western transfer of air masses from Northern Atlantic water area.

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