Variations in solar and geomagnetic acti
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Jaroslav StΕeΕ‘tΓ―k
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Article
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2009
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SP Versita
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English
β 710 KB
It is known that solar wind velocity fluctuates regularly with a period of about 1.3 years. This periodicity (and other signals with periods near to 1.1 and 0.9 years) has also been observed in biological data. The variation is a temporary feature, mostly being observed in the early 1990s. Here, the