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  1. F300 宇宙地球環境研究所
  2. F300a 雑誌掲載論文
  3. 学術雑誌

SIMULATION STUDY OF HEMISPHERIC PHASE-ASYMMETRY IN THE SOLAR CYCLE

http://hdl.handle.net/2237/26776
http://hdl.handle.net/2237/26776
3903849a-ae50-48f8-9290-0a9bf72c1200
名前 / ファイル ライセンス アクション
Shukuya_2017_ApJ_835_84.pdf Shukuya_2017_ApJ_835_84.pdf (2.0 MB)
Item type 学術雑誌論文 / Journal Article(1)
公開日 2017-07-05
タイトル
タイトル SIMULATION STUDY OF HEMISPHERIC PHASE-ASYMMETRY IN THE SOLAR CYCLE
言語 en
著者 Shukuya, D.

× Shukuya, D.

WEKO 72702

en Shukuya, D.

Search repository
Kusano, K.

× Kusano, K.

WEKO 72703

en Kusano, K.

Search repository
アクセス権
アクセス権 open access
アクセス権URI http://purl.org/coar/access_right/c_abf2
権利
言語 en
権利情報 © 2017 The American Astronomical Society
キーワード
主題Scheme Other
主題 dynamo
キーワード
主題Scheme Other
主題 methods: numerical
キーワード
主題Scheme Other
主題 Sun: evolution
キーワード
主題Scheme Other
主題 Sun: interior
キーワード
主題Scheme Other
主題 Sun: magnetic fields
抄録
内容記述 Observations of the Sun suggest that solar activities systematically create north–south hemispheric asymmetries. For instance, the hemisphere in which sunspot activity is more active tends to switch after the early half of each solar cycle. Svalgaard & Kamide recently pointed out that the time gaps of polar field reversal between the northern and southern hemispheres are simply consequences of the asymmetry of sunspot activity. However, the mechanism underlying the asymmetric feature in solar cycle activity is not yet well understood. In this paper, in order to explain the cause of the asymmetry from the theoretical point of view, we investigate the relationship between the dipole- and quadrupole-type components of the magnetic field in the solar cycle using the mean-field theory based on the flux transport dynamo model. As a result, we found that there are two different attractors of the solar cycle, in which either the north or the south polar field is first reversed, and that the flux transport dynamo model explains well the phase-asymmetry of sunspot activity and the polar field reversal without any ad hoc source of asymmetry.
言語 en
内容記述タイプ Abstract
出版者
言語 en
出版者 IOP publishing
言語
言語 eng
資源タイプ
資源タイプresource http://purl.org/coar/resource_type/c_6501
タイプ journal article
出版タイプ
出版タイプ AM
出版タイプResource http://purl.org/coar/version/c_ab4af688f83e57aa
DOI
関連タイプ isVersionOf
識別子タイプ DOI
関連識別子 https://doi.org/10.3847/1538-4357/835/1/84
ISSN
収録物識別子タイプ PISSN
収録物識別子 0004-637X
書誌情報 en : The Astrophysical Journal

巻 835, 号 1, p. 84-84, 発行日 2017-01-20
著者版フラグ
値 author
URI
識別子 https://doi.org/10.3847/1538-4357/835/1/84
識別子タイプ DOI
URI
識別子 http://hdl.handle.net/2237/26776
識別子タイプ HDL
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