Astronomy and Astrophysics – Astrophysics
Scientific paper
Jan 2008
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008cha%26a..32...47h&link_type=abstract
Chinese Astronomy and Astrophysics, Volume 32, Issue 1, p. 47-55.
Astronomy and Astrophysics
Astrophysics
Scientific paper
Using the method of Morlet wavelet transform, we analysed the sunspot relative numbers and obtained some meaningful results. The solar activity possesses the periods of 10.7a and 101a, and the period of 10.7a is very prominent. The variation of intensity of the solar activity exhibits certain stages. In 1950 there occurred abrupt changes of climate, and since then the solar activity has become more and more intense. It is predicted that it would be weaker for some time interval in the future.
Bi Bao-Gui
Hao Li-Sheng
Yao Xue-Xiang
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