Estimation of the Anomaly Temperature Field of the Siberian Federal District in the Cold Period of the Year
Abstract
The anomalous temperature of the field of the Siberian Federal District (SFD) for a long-term period has been identified. Trends in changes of the vulnerability of territory are determined, resulting from surface air temperature oscillations in the cold period of the year. Materials and methods. The information base was the daily data of observations of air temperature at 74 meteorological stations located on the territory of the Siberian Federal District for the period from 1960 to 2020. Integral parameter by V. G. Tokarev was used for analysis of anomaly temperature field in the cold period of the year. Results and discussion. Positive temperature anomalies are observed more often than negative ones. Repeatability of cases is 3% with the integral anomaly parameter of more than 1.6. Approximately half of them were observed after 2000. The large and extreme anomaly of the temperature field was noted most frequently at the end of the winter climatic season. Conclusions. The climatic vulnerability of the Siberian Federal District to temperature changes increases in transitional seasons.
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