A search for a solar cycle-temperature relationship in the middle atmosphere over Volgograd |
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Institution: | Atmospheric Physics Group, Department of Physics, Indian Institute of Technology, Kanpur 208016, India |
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Abstract: | The variation of temperature in the middle atmosphere (15–80 km) at Volgograd (49°N, 44°E) during an 11-year solar cycle (1971–1982) has been studied. The temperature of the stratosphere did not show any significant influence of the sunspot cycle, but the temperatures of the mesosphere showed a strong in-phase relationship with the solar cycle. Computed correlation and regression coefficients were positive and highly significant in this region. At 60 and 70km the temperature variations were almost linearly related to the sunspot number. Seasonal studies indicated that solar activity has a much stronger influence on temperature during the winter than during the summer. |
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