Relationship of the Long-Period Free Oscillations of the Earth with Atmospheric Processes
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Based on the five-year record of the superconducting gravimeter in Strasburg (48.6° N, 7.7° E), the correlation is calculated between the long-period free oscillations of the Earth and the Arctic Oscillation and Antarctic Oscillation indices of atmospheric circulation. The statistically significant correlations for the 0S2, 0T2, 0T3, and 0S5 oscillations show that their excitation on seismically quiet days is at least partly due to dynamic processes in the atmosphere.
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