This paper studies the changes in winter air temperatures in the Siberian sector of the northern hemisphere (60–120° E) over a long-term period of 1947–2017. A positive trend in air temperature (0.3°C/10 years) was revealed. An analysis of the magnitude and frequency of temperature anomalies also confirms an increase in surface temperature. The distribution of large positive and negative temperature anomalies was investigated. Centers of the largest recurrence of large negative anomalies were located in the south and south-west of the study area. A maximum number of negative anomalies were observed in December. Large positive anomalies (the highest frequency in January) were observed throughout the territory under consideration, and extremely large anomalies were found only at 20% of the stations. The largest number of anomalies in the period of 1947–2017 was observed at the Irkutsk station. Based on the analysis of elementary circulation mechanisms (classification by B.L. Dzerdzeevskii), a relationship was established between the atmospheric circulation and the distribution of air temperature anomalies. It was concluded that the temperature regime in the winter months was formed under the influence of 26 elementary circulation mechanisms, combined into seven groups. The meridional circulation prevailed (75% of cases). The elementary circulation mechanisms of the meridional northern circulation group were all characterized by the presence of blockings and intrusions of southern cyclones into the study area. In general, over the past two decades, an increase in duration of macrocirculation processes resulting in the inter-latitudinal air mass exchange has been revealed.

中文翻译：

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环流机制在亚洲俄罗斯领土上产生温度异常

本文研究了 1947-2017 年长期北半球西伯利亚地区（60-120°E）冬季气温的变化。气温呈正趋势（0.3°C/10 年）。对温度异常的幅度和频率的分析也证实了地表温度的升高。调查了大的正负温度异常的分布。大型负异常的最大复发中心位于研究区的南部和西南部。12 月观察到的负异常数量最多。在考虑中的整个领土上都观察到了大的正异常（一月份的频率最高），只有 20% 的台站发现了极大的异常。在 1947-2017 年期间，在伊尔库茨克站观察到的异常数量最多。在分析基本环流机制（BL Dzerdzeevskii 分类）的基础上，建立了大气环流与气温异常分布之间的关系。得出的结论是，冬季月份的温度状况是在 26 个基本环流机制的影响下形成的，它们组合成 7 个组。经向环流占优势（75% 的病例）。经向北方环流群的基本环流机制均以存在南方气旋阻塞和侵入研究区为特征。总的来说，在过去的二十年里，