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Phase asynchrony of hemispheric flare activity revisited: empirical mode decomposition and wavelet transform analyses
Deng LH(邓林华)1,2; Gai, N3; Tang, YK3; Xu, CL4; Huang, WJ5
发表期刊ASTROPHYSICS AND SPACE SCIENCE
2013-01
卷号343期号:1页码:27-32
DOI10.1007/s10509-012-1231-2
产权排序第1完成单位
收录类别SCI
关键词Sun: Activity Sun: Flares Methods: Data Analysis
摘要

The phase relation of flare index in the northern and southern hemispheres in the time interval of January 1966 to December 2008 is investigated. It is found that, (1) the flare index in the northern hemisphere begin six months earlier than that in the southern one, which should lead to phase asynchrony between them but with a slight effect; (2) the main periods of the flare activity in the two hemispheres slightly differ from each other, which should also lead to phase asynchrony between them; (3) the low-frequency modes of the flare activity can be used to study the varying relationship of long-term solar activities and the high-frequency modes can be considered as the stochastic component that is amplitude modulated.

资助项目National Natural Science Foundation of China (NSFC)[11003041] ; National Natural Science Foundation of China (NSFC)[11078005] ; National Natural Science Foundation of China (NSFC)[40636031] ; National Basic Research Program of China 973[G2011CB811400] ; Shandong Provincial Natural Science Foundation of China[ZR2009AM021] ; Shandong Provincial Natural Science Foundation of China[ZR2012AQ029] ; Dezhou University Foundation[402126] ; Chinese Academy of Sciences
项目资助者National Natural Science Foundation of China (NSFC)[11003041, 11078005, 40636031] ; National Basic Research Program of China 973[G2011CB811400] ; Shandong Provincial Natural Science Foundation of China[ZR2009AM021, ZR2012AQ029] ; Dezhou University Foundation[402126] ; Chinese Academy of Sciences
语种英语
学科领域天文学 ; 太阳与太阳系
学科门类理学 ; 理学::天文学
文章类型Article
出版者SPRINGER
出版地VAN GODEWIJCKSTRAAT 30, 3311 GZ DORDRECHT, NETHERLANDS
ISSN0004-640X
URL查看原文
归档日期2013-01-11
WOS记录号WOS:000313294500005
WOS研究方向Astronomy & Astrophysics
WOS类目Astronomy & Astrophysics
关键词[WOS]NORTH-SOUTH ASYMMETRY ; HILBERT SPECTRUM ; SUNSPOT NUMBERS ; SOLAR-ACTIVITY ; POLAR FACULAE ; CYCLES 19-23 ; PERIODICITY ; ROTATION
引用统计
被引频次:28[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/114a53/4699
专题抚仙湖太阳观测和研究基地
通讯作者Deng LH(邓林华)
作者单位1.National Astronomical Observatories/Yunnan Astronomical Observatory, Chinese Academy of Sciences, P.O. Box 110, 650011, Kunming, P.R. China
2.Graduate School of the Chinese Academy of Sciences, Sijing-Shan Block, 100049, Beijing, P.R. China
3.Department of Physics, Dezhou University, 253023, Dezhou, P.R. China
4.Department of Mathematics, Yunnan Normal University, 650092, Kunming, P.R. China
5.Oxbridge College, Kunming University of Science and Technology, 650106, Kunming, P.R. China
第一作者单位中国科学院云南天文台
通讯作者单位中国科学院云南天文台
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GB/T 7714
Deng LH,Gai, N,Tang, YK,et al. Phase asynchrony of hemispheric flare activity revisited: empirical mode decomposition and wavelet transform analyses[J]. ASTROPHYSICS AND SPACE SCIENCE,2013,343(1):27-32.
APA Deng LH,Gai, N,Tang, YK,Xu, CL,&Huang, WJ.(2013).Phase asynchrony of hemispheric flare activity revisited: empirical mode decomposition and wavelet transform analyses.ASTROPHYSICS AND SPACE SCIENCE,343(1),27-32.
MLA Deng LH,et al."Phase asynchrony of hemispheric flare activity revisited: empirical mode decomposition and wavelet transform analyses".ASTROPHYSICS AND SPACE SCIENCE 343.1(2013):27-32.
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