A response model for the sunspot cycle
dc.contributor.author | De Meyer, F. | |
dc.coverage.temporal | 21st century | |
dc.date | 2002 | |
dc.date.accessioned | 2016-03-07T17:14:12Z | |
dc.date.accessioned | 2021-12-09T09:53:01Z | |
dc.date.available | 2016-03-07T17:14:12Z | |
dc.date.available | 2021-12-09T09:53:01Z | |
dc.identifier.uri | https://orfeo.belnet.be/handle/internal/8517 | |
dc.description | The sunspot record for the time interval 1700-2001 can be considered as a sequence of independent, partly overlapping events, triggered quasi-periodically at intervals of the order of 11 years. The individual cycles are approximated by the step response of a band-pass dynamical system and the resulting model consists of the superposition of the response to a the independent pulses. The simulated sunspot data explain 98,4% of the cycle peak height variance and the residual standard deviation is 8,2 mean annual sunspots. A peak height of 117 for the solar cycle 23 occurring in 2000 is predicted, whereas the next cycle would start at about 2007 and will have a maximum around 111 in 2011. The model reproduces the high level of amplitude modulation in the interval 1950-2000 with a decrease afterwards. The model also recreates recurring sunspot minima and is linked to the phenomenon of the reversal of the solar magnetic field. | |
dc.language | eng | |
dc.publisher | IRM | |
dc.publisher | KMI | |
dc.publisher | RMI | |
dc.relation.ispartofseries | Publication scientifique et technique n° - Wetenschappelijke en technische publicatie nr. | |
dc.title | A response model for the sunspot cycle | |
dc.type | Book | |
dc.subject.frascati | Earth and related Environmental sciences | |
dc.audience | General Public | |
dc.audience | Scientific | |
dc.subject.free | sunspot cycle | |
dc.source.volume | 21 | |
dc.source.issue | Publication scientifique et technique n° - Wetenschappelijke en technische publicatie nr. | |
dc.source.page | 17 | |
Orfeo.peerreviewed | Yes |
Files in this item
Files | Size | Format | View |
---|---|---|---|
There are no files associated with this item. |