Fluctuations in the alpha-effect and grand solar minima
作者： L. L. Kitchatinov , L. L. Kitchatinov , S. V. Olemskoy , A. R. Choudhuri
DOI: 10.1134/S1063772913050065
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摘要: The parameters of a special type alpha-effect known in dynamo theory as the Babcock-Leighton mechanism are estimated using data sunspot catalogs. estimates support presence on Sun. Fluctuations also estimated. fluctuation amplitude appreciably exceeds themean value, and characteristic time for fluctuations is comparable to period solar rotation. with found included numericalmodel dynamo. Computations show irregular changes amplitudes magnetic cycles scales centuries millennia. calculated statistical characteristics grand minima maxima agree activity over Holocene.
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