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Low-dimensional chaos of high-latitude solar activity
Li QX(李启秀)1,2; Li KJ(李可军)1; Li, QX (reprint author), Chinese Acad Sci, Natl Astron Observ, Yunnan Observ, Kunming 650011, Peoples R China.
发表期刊PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF JAPAN
2007
卷号59期号:5页码:983-987
产权排序第1完成单位
收录类别SCI
关键词Nonlinearity : Chaotic Attractor Nonlinearity : Maximal Lyapunov Exponent Sun : Activity Sun : Faculae Plages
摘要The chaos of high-latitude solar activity has been investigated by determining the behavior of the monthly averaged polar facula counts obtained from the National Astronomical Observatory of Japan (NAOJ) on the basis of nonlinear dynamics theories and methods. It is found that the high-latitude solar activity is also governed by a low-dimensional chaotic attractor in both the northern and southern solar hemispheres, which is the same as that of the low-latitude solar activity. However, their maximal Lyapunov exponents are different, showing different strength of chaos. The maximal Lyapunov exponent (MLE) of polar faculae in the southern solar hemisphere is about 0.0211 +/- 0.0003 (month(-1)), which is nearly consistent with the low-latitude Wolf sunspot numbers, while the MLE in the northern one is approximately 0.0944 +/- 0.0066 (month(-1)), which is obviously greater than the above two.
语种英语
学科领域Astronomy & Astrophysics
文章类型Article
ISSN0004-6264
URL查看原文
归档日期2007-12-03
WOS记录号WOS:000251077700012
WOS研究方向Astronomy & Astrophysics
WOS类目Astronomy & Astrophysics
关键词[WOS]GROUP SUNSPOT NUMBERS ; POLAR FACULAE ; TIME-SERIES ; ACTIVITY RECONSTRUCTION ; LYAPUNOV EXPONENTS ; ACTIVITY CYCLE
引用统计
被引频次:5[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ynao.ac.cn/handle/114a53/6114
专题太阳物理研究组
通讯作者Li, QX (reprint author), Chinese Acad Sci, Natl Astron Observ, Yunnan Observ, Kunming 650011, Peoples R China.
作者单位1.National Astronomical Observatories/Yunnan Observatory, Chinese Academy of Sciences, Kunming 650011, P. R. China
2.School of Graduates, CAS, Beijing 100049, P. R. China
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GB/T 7714
Li QX,Li KJ,Li, QX . Low-dimensional chaos of high-latitude solar activity[J]. PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF JAPAN,2007,59(5):983-987.
APA Li QX,Li KJ,&Li, QX .(2007).Low-dimensional chaos of high-latitude solar activity.PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF JAPAN,59(5),983-987.
MLA Li QX,et al."Low-dimensional chaos of high-latitude solar activity".PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF JAPAN 59.5(2007):983-987.
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