Seismology and the dynamo: history and prospects

Research output: Chapter in Book/Report/Conference proceedingConference PaperResearchpeer-review

Abstract

The rapid advances in our knowledge and understanding of solar and stellar dynamos that resulted from the development of mean-field dynamo theory were sent into even more rapid retreat in the 1980 s by difficulties in explaining observed features of the solar cycle, and especially by the new helioseismically derived differential rotation profiles. The climb back out of the mire has been slow and uncertain. A promising-but by no means universally accepted-route is afforded by the resurrection of Babcock-Leighton (flux transport) models of the dynamo, where meridional circulation plays a dojminant conveyor belt role, aided and abetted by other near-surface flow patterns which disperse old flux poleward. In this brief overview, we review what helio-seismology has told us about meridional and near-surface flows, and muse on the prospects for improved flow measurements in the future.
Original languageEnglish
Title of host publicationSolar-Stellar Dynamos as Revealed by Helio-and Asteroseismology: GONG2008/SOHO 21
EditorsM Dikpati, T Arentoft, I Gonzalez Hernandez, C Lindsey, F Hill
Place of PublicationSan Francisco California USA
PublisherAstronomical Society of the Pacific
Pages2 - 12
Number of pages11
Volume419
ISBN (Print)9781583817124
Publication statusPublished - 2009
EventSolar-Stellar Dynamos as Revealed by Helio-and Asteroseismology: Astronomical Society of the Pacific Conference Series - High Altitude Observatory, Boulder Colorado, United States of America
Duration: 11 Aug 200815 Aug 2008
https://www.astrosociety.org/publications/asp-conference-series-volumes-2010-vols-413-436/

Conference

ConferenceSolar-Stellar Dynamos as Revealed by Helio-and Asteroseismology
Abbreviated titleGONG2008/SOHO 21
CountryUnited States of America
CityBoulder Colorado
Period11/08/0815/08/08
Internet address

Cite this

Cally, P. S. (2009). Seismology and the dynamo: history and prospects. In M. Dikpati, T. Arentoft, I. G. Hernandez, C. Lindsey, & F. Hill (Eds.), Solar-Stellar Dynamos as Revealed by Helio-and Asteroseismology: GONG2008/SOHO 21 (Vol. 419, pp. 2 - 12). San Francisco California USA: Astronomical Society of the Pacific.
Cally, Paul Stuart. / Seismology and the dynamo: history and prospects. Solar-Stellar Dynamos as Revealed by Helio-and Asteroseismology: GONG2008/SOHO 21. editor / M Dikpati ; T Arentoft ; I Gonzalez Hernandez ; C Lindsey ; F Hill. Vol. 419 San Francisco California USA : Astronomical Society of the Pacific, 2009. pp. 2 - 12
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Cally, PS 2009, Seismology and the dynamo: history and prospects. in M Dikpati, T Arentoft, IG Hernandez, C Lindsey & F Hill (eds), Solar-Stellar Dynamos as Revealed by Helio-and Asteroseismology: GONG2008/SOHO 21. vol. 419, Astronomical Society of the Pacific, San Francisco California USA, pp. 2 - 12, Solar-Stellar Dynamos as Revealed by Helio-and Asteroseismology, Boulder Colorado, United States of America, 11/08/08.

Seismology and the dynamo: history and prospects. / Cally, Paul Stuart.

Solar-Stellar Dynamos as Revealed by Helio-and Asteroseismology: GONG2008/SOHO 21. ed. / M Dikpati; T Arentoft; I Gonzalez Hernandez; C Lindsey; F Hill. Vol. 419 San Francisco California USA : Astronomical Society of the Pacific, 2009. p. 2 - 12.

Research output: Chapter in Book/Report/Conference proceedingConference PaperResearchpeer-review

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AB - The rapid advances in our knowledge and understanding of solar and stellar dynamos that resulted from the development of mean-field dynamo theory were sent into even more rapid retreat in the 1980 s by difficulties in explaining observed features of the solar cycle, and especially by the new helioseismically derived differential rotation profiles. The climb back out of the mire has been slow and uncertain. A promising-but by no means universally accepted-route is afforded by the resurrection of Babcock-Leighton (flux transport) models of the dynamo, where meridional circulation plays a dojminant conveyor belt role, aided and abetted by other near-surface flow patterns which disperse old flux poleward. In this brief overview, we review what helio-seismology has told us about meridional and near-surface flows, and muse on the prospects for improved flow measurements in the future.

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Cally PS. Seismology and the dynamo: history and prospects. In Dikpati M, Arentoft T, Hernandez IG, Lindsey C, Hill F, editors, Solar-Stellar Dynamos as Revealed by Helio-and Asteroseismology: GONG2008/SOHO 21. Vol. 419. San Francisco California USA: Astronomical Society of the Pacific. 2009. p. 2 - 12