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Latitude migration of solar activity at high latitudes
Gao PX(高朋鑫)1,2; Li KJ(李可军)1; Li QX(李启秀)1,2; Li, KJ (reprint author), Chinese Acad Sci, Natl Astron Observ, Yunnan Observ, Kunming 650011, Peoples R China.
发表期刊CHINESE SCIENCE BULLETIN
2008-01
卷号53期号:1页码:8-11
DOI10.1007/s11434-007-0422-7
产权排序第1完成单位
收录类别SCI
关键词Solar Activity Solar Cycle Latitudinal Migration
摘要Utilized here is the Carte Synoptique solar filament archive, namely the catalogue of solar filaments from March 1919 to December 1989, corresponding to solar rotation numbers 876 to 1823 to study latitudinal migration of solar activity at high latitudes. Except the well-known poleward migration of solar activity from middle latitudes to the poles, an equatorward migration is found from the solar poles toward middle latitudes (about 40 degrees) within a normal cycle, which is neglected before, and the time interval for the former migration (4.4 years) is about 2.2 years shorter than that for the latter (6.6 years), indicating that the change from one migration to the other takes place around the maximum time of a normal cycle. In the future, a dynamo model should represent the migration from the poles toward middle latitudes of the Sun, besides the migration in "butterfly diagrams" and the "rush to the poles". The traditional extended activity cycle is actually a part of the period of the successive migration from the poles toward the solar equator.
语种英语
学科领域Science & Technology - Other Topics
文章类型Article
ISSN1001-6538
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WOS记录号WOS:000252275900002
WOS研究方向Science & Technology - Other Topics
WOS类目Multidisciplinary Sciences
关键词[WOS]ACTIVITY CYCLE ; MAGNETIC-FIELDS ; MODEL ; TRANSPORT ; PERIOD ; DYNAMO ; FLUX
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文献类型期刊论文
条目标识符http://ir.ynao.ac.cn/handle/114a53/6128
专题太阳物理研究组
通讯作者Li, KJ (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, China
2.Chinese Academy of Sciences, University of Graduate, Beijing, 100864, China
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GB/T 7714
Gao PX,Li KJ,Li QX,et al. Latitude migration of solar activity at high latitudes[J]. CHINESE SCIENCE BULLETIN,2008,53(1):8-11.
APA Gao PX,Li KJ,Li QX,&Li, KJ .(2008).Latitude migration of solar activity at high latitudes.CHINESE SCIENCE BULLETIN,53(1),8-11.
MLA Gao PX,et al."Latitude migration of solar activity at high latitudes".CHINESE SCIENCE BULLETIN 53.1(2008):8-11.
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