Articles | Volume 38, issue 6
https://doi.org/10.5194/angeo-38-1237-2020
https://doi.org/10.5194/angeo-38-1237-2020
Regular paper
 | 
15 Dec 2020
Regular paper |  | 15 Dec 2020

Estimating the maximum of the smoothed highest 3-hourly aa index in 3 d by the preceding minimum for the solar cycle

Zhanle Du

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Interactive discussion

Status: closed
Status: closed
AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment
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Peer-review completion

AR: Author's response | RR: Referee report | ED: Editor decision
ED: Reconsider after major revisions (further review by editor and referees) (30 Jul 2020) by Elias Roussos
AR by Zhanle Du on behalf of the Authors (04 Aug 2020)  Manuscript 
ED: Referee Nomination & Report Request started (26 Aug 2020) by Elias Roussos
RR by Anonymous Referee #2 (25 Sep 2020)
ED: Publish subject to minor revisions (review by editor) (09 Oct 2020) by Elias Roussos
AR by Zhanle Du on behalf of the Authors (17 Oct 2020)  Manuscript 
ED: Publish as is (29 Oct 2020) by Elias Roussos
AR by Zhanle Du on behalf of the Authors (04 Nov 2020)  Author's response   Manuscript 
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Short summary
Predicting geomagnetic activity intensity for an upcoming solar cycle is important in space weather service and for planning future space missions. The maximum aa geomagnetic index for the solar cycle is found to be well correlated with the preceding minimum. The maximum aa index of solar cycle 25 is estimated to be about 29 % stronger than that of solar cycle 24. The maximum amplitude of the sunspot cycle is much better correlated with high geomagnetic activity than low geomagnetic activity.