| Article ID | Journal | Published Year | Pages | File Type |
|---|---|---|---|---|
| 1772029 | Chinese Astronomy and Astrophysics | 2008 | 9 Pages |
Abstract
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.
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