TY JOUR TI Investigation of the Cyclicity and Trend of the Surface Air Temperature According to the Weather Station Mayak of Sukhum KW surface air temperature KW time series KW trend KW moving average KW average annual temperature KW cycles KW solar activity KW spectral analysis JO Russian Journal of Earth Sciences AU Afanasyev, I.S. AU Khintuba, L.V. AU Ekba, Y.A. AU Zakinyan, R.G. PY 2023 IS 23 PB Geophysical Center of the Russian Academy of Sciences