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A brief review on the presentation of cycle 24, the first integrated solar cycle in the new millennium
Li KJ(李可军)1,2; Feng, W3; Liang, HF4; Zhan, LS5; Gao PX(高朋鑫)1; Li, KJ (reprint author), Chinese Acad Sci, Yunnan Observ, Natl Astron Observ, Kunming 650011, Peoples R China.
发表期刊ANNALES GEOPHYSICAE
2011
卷号29期号:2页码:341-348
DOI10.5194/angeo-29-341-2011
产权排序第1完成单位
收录类别SCI ; EI
关键词General Or Miscellaneous Solar Physics Astrophysics And Astronomy
摘要The status of the extended solar activity minimum, since the second half of 2007, has been briefly instructed to the solar-terrestrial community. Cycle 24 has the most spotless days since cycle 16, and probably even since the modern cycles, latitudes of high-latitude (> 35 degrees) sunspots belonging to a new cycle around the minimum time of the cycle are statistically the lowest at present, compared with those of cycle 12 onwards, and there is only one or no sunspots in a month appearing at high latitudes (> 20 degrees) for 58 months ( from November 2003 to September 2008), which is observed for the first time since cycle 12 onwards. The solar wind velocity and pressure, 10.7 cm solar radio flux, the polar solar magnetic field, solar total irradiance, and so on reach their minima during the 23-24 cycle minimum time. In order to explain the present extreme low activity, we introduced here one possible mechanism using helio-seismology observations. Viewing, from the long-term running of the time scales of both the Gleissberg period and millenniums, the extended solar activity minimum becomes logical. According to the present observations, the cycle 24 should start in November 2008. Solar activity is predicted at being about 30% lower in cycle 24 than in cycle 23, synthesizing the typical predictions of solar activity, including those given by NASA and NOAA. The 24th solar cycle is sluggishly coming and it should be an opportune moment for studying solar physics and solar-terrestrial physics.
项目资助者NSFC [10873032, 10921303, 11073010, 40636031] ; National Key Research Science Foundation [2011CB811400] ; Chinese Academy of Sciences
语种英语
学科领域Astronomy & Astrophysics ; Geology ; Meteorology & Atmospheric Sciences
文章类型Article
ISSN0992-7689
URL查看原文
归档日期2011-03-08
WOS记录号WOS:000287800700012
WOS研究方向Astronomy & Astrophysics ; Geology ; Meteorology & Atmospheric Sciences
WOS类目Astronomy & Astrophysics ; Geosciences, Multidisciplinary ; Meteorology & Atmospheric Sciences
关键词[WOS]GROUP SUNSPOT NUMBERS ; MAXIMUM AMPLITUDE ; SMALLEST CYCLE ; MINIMUM ; DYNAMO ; BEHAVIOR ; FLUX ; SUN
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文献类型期刊论文
条目标识符http://ir.ynao.ac.cn/handle/114a53/6185
专题太阳物理研究组
通讯作者Li, KJ (reprint author), Chinese Acad Sci, Yunnan Observ, Natl Astron Observ, Kunming 650011, Peoples R China.
作者单位1.National Astronomical Observatories/Yunnan Observatory, Chinese Academy of Sciences, Kunming 650011, China
2.Key Laboratory of Solar Activity, National Astronomical Observatories, Chinese Academy of Sciences, Beijing 100012, China
3.Research Center for Analysis and Measurement, Kunming University of Science and Technology, Kunming 650093, China
4.Department of Physics, Yunnan Normal University, Kunming 650093, China
5.Jingdezhen Ceramic Institute, Jingdezhen 333001, Jiangxi, China
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Li KJ,Feng, W,Liang, HF,et al. A brief review on the presentation of cycle 24, the first integrated solar cycle in the new millennium[J]. ANNALES GEOPHYSICAE,2011,29(2):341-348.
APA Li KJ,Feng, W,Liang, HF,Zhan, LS,Gao PX,&Li, KJ .(2011).A brief review on the presentation of cycle 24, the first integrated solar cycle in the new millennium.ANNALES GEOPHYSICAE,29(2),341-348.
MLA Li KJ,et al."A brief review on the presentation of cycle 24, the first integrated solar cycle in the new millennium".ANNALES GEOPHYSICAE 29.2(2011):341-348.
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