Regional Climate Change in the Republic of Adygea

Climate change in the Republic of Adygea was investigated on the base of monthly average data collected for the period 1900–2015 from the NOAA-CIRES-DOE Twentieth Century Reanalysis V3. The following basic meteo parameters have been selected for the analysis: air temperature at 2 m, max air temperature at 2 m, min air temperature at 2 m, sea level pressure, U wind component at 10 m, V wind component at 10 m, total cloud cover, total precipitation, snow depth. For every parameter we performed: (a) analysis of seasonal and interannual variability and its linear trend; (b) analysis of anomalies, including anomalies in warm and cold seasons; (c) spectral analysis; and (d) wavelet analysis. Extreme climate events in the Republic of Adygea were investigated for 1900–2015 on the base of analysis of seven basic meteo parameters (daily averaged): air temperature at 2 m, max air temperature at 2 m, min air temperature at 2 m, U (zonal) wind component at 10 m, V (meridional) wind component at 10 m, total precipitation, and snow depth. For every parameter we present six graphs: interannual variability of positive and negative amplitude of the climate extreme events over 1 and 2 standard deviations (SD); interannual variability of a number of these events over 1 and 2 SD; interannual variability of duration of these events over 1 and 2 SD. All the anomalies were calculated relative to the average annual cycle for the period 1900–2015. We considered the events “anomalous” when values of anomalies exceeded 1 SD and as “extreme” when anomalies exceeded 2 SD.