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Ahluwalia 1998
Ahluwalia, H.S. (1998). The predicted size of cycle 23 based on the inferred three-cycle quasi-periodicity of the planetary index Ap. Journal of Geophysical Research 103: doi: 10.1029/98JA00960. issn: 0148-0227.

A review of the solar and the geophysical data for the last 6 decades indicates the existence of a three-solar-activity-cycle quasi-periodicity in them. It is also present in other data sets extending over several centuries. A new cycle may have started after 1996. If true, cycle 23 will be more modest (¿ la cycle 17) with an annual mean sunspot number count of 119.3¿30 at the maximum. This inference is in contrast to the predictions of some of the solar astronomers who are predicting a very active cycle 23 (¿ la cycle 19). ¿ 1998 American Geophysical Union

BACKGROUND DATA FILES

Abstract

Keywords
Solar Physics, Astrophysics, and Astronomy, Corona
Journal
Journal of Geophysical Research
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Publisher
American Geophysical Union
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