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Long-Term Solar Cycle Evolution: Review of Recent Developments

机译:太阳周期的长期演变:近期发展回顾

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摘要

The sunspot number series forms the longest directly observed index of solar activity and allows one to trace its variations on the time scale of about 400 years since 1610. This time interval covers a wide range from seemingly vanishing sunspots during the Maunder minimum in 1645–1700 to the very high activity during the last 50 years. Although the sunspot number series has been studied for more than a century, new interesting features have been found even recently. This paper gives a review of the recent achievements and findings in long-term evolution of solar activity cycles such as determinism and chaos in sunspot cyclicity, cycles during the Maunder minimum, a general behaviour of sunspot activity during a great minimum, the phase catastrophe and the lost cycle in the beginning of the Dalton minimum in 1790s and persistent 22-year cyclicity in sunspot activity. These findings shed new light on the underlying physical processes responsible for sunspot activity and allow a better understanding of such empirical rules as the Gnevyshev–Ohl rule and the Waldmeier relations.
机译:太阳黑子数系列形成了最长的直接观测到的太阳活动指数,并允许人们追踪其自1610年以来约400年的时间尺度上的变化。这个时间间隔涵盖了从1645–1700的Maunder最小值期间看似消失的黑子的广泛范围。在过去的50年中活动非常活跃。尽管对黑子数序列的研究已有一个多世纪,但直到最近才发现了新的有趣特征。本文回顾了太阳活动周期长期发展的最新成就和发现,例如太阳黑子周期性活动中的确定性和混沌,Maunder最小值期间的周期,在极大最小值期间太阳黑子活动的一般行为,相突变和1790年代道尔顿极小值开始时失去的周期以及黑子活动持续的22年周期。这些发现为引起黑子活动的潜在物理过程提供了新的亮点,并使人们能够更好地理解格涅维雪夫-奥尔定律和瓦尔德迈尔关系等经验规则。

著录项

  • 来源
    《Solar Physics》 |2003年第2期|319-343|共25页
  • 作者

    I.G. Usoskin; K. Mursula;

  • 作者单位

    Sodankylä Geophysical Observatory (Oulu unit);

    Department of Physical Sciences University of Oulu;

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  • 原文格式 PDF
  • 正文语种 eng
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