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On midrange periodicities in solar radio flux and sunspot areas
Mei Y(梅盈)1,2,3,4; Deng H(邓辉)1,2,3,4; Wang F(王锋)1,2,3,4
发表期刊ASTROPHYSICS AND SPACE SCIENCE
2018-04-01
卷号363期号:4
DOI10.1007/s10509-018-3306-1
产权排序第2完成单位
收录类别SCI
关键词Sun: Activity Sun: Magnetic Fields Sun: Radio Radiation Methods: Statistical
摘要

Using the Hilbert-Huang transform technique, we investigate the midrange periodicities in solar radio flux at 2800 MHz (F10.7) and sunspot areas (SAs) from February 1, 1947 to September 30, 2016. The following prominent results are found: (1) The quasi-periodic oscillations of both data sets are not identical, such as the rotational cycle, the midrange periodicities, and the Schwabe cycle. In particular, the midrange periodicities ranging from 37.9 days to 297.3 days are related to the magnetic Rossby-type waves; (2) The 1.3-year and 1.7-year fluctuations in solar activity indicators are surface manifestations (from photosphere to corona) of magnetic flux changes generated deep inside the Sun; (3) At the timescale of the Schwabe cycle, the complicated phase relationships in the three intervals (1947-1958, 1959-1988, and 1989-2016) agree with the produced periodicities of the magnetic Rossby-type waves. The findings indicate that the magnetic Rossby-type waves are the possible physical mechanism behind the midrange periodicities of solar activity indicators. Moreover, the significant change in the relationship between photospheric and coronal activity took place after the maximum of solar cycle 22 could be interpreted by the magnetic Rossby-type waves.

资助项目National Key Research and Development Program of China[2016YFE0100300] ; National Natural Science Foundation of China (NSFC)[U1531132] ; National Natural Science Foundation of China (NSFC)[U1631129] ; National Natural Science Foundation of China (NSFC)[U1231205] ; Chinese Academy of Sciences (CAS)[U1531132] ; Chinese Academy of Sciences (CAS)[U1631129] ; Chinese Academy of Sciences (CAS)[U1231205] ; National Natural Science Foundation of China[11403009] ; National Natural Science Foundation of China[11773012] ; National Natural Science Foundation of China[11463003] ; CAS Key Laboratory of Solar Activity[KLSA201807] ; Astronomical Big Data Joint Research Center
项目资助者National Key Research and Development Program of China[2016YFE0100300] ; National Natural Science Foundation of China (NSFC)[U1531132, U1631129, U1231205] ; Chinese Academy of Sciences (CAS)[U1531132, U1631129, U1231205] ; National Natural Science Foundation of China[11403009, 11773012, 11463003] ; CAS Key Laboratory of Solar Activity[KLSA201807] ; Astronomical Big Data Joint Research Center
语种英语
学科领域天文学 ; 太阳与太阳系
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
WOS记录号WOS:000429130000023
WOS研究方向Astronomy & Astrophysics
WOS类目Astronomy & Astrophysics
关键词[WOS]EMPIRICAL MODE DECOMPOSITION ; RIEGER-TYPE PERIODICITIES ; 10.7 CM FLUX ; MIDTERM PERIODICITIES ; GEOMAGNETIC-ACTIVITY ; HILBERT SPECTRUM ; ROSSBY WAVES ; CYCLE ; ROTATION ; FLARES
引用统计
被引频次:13[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/114a53/12304
专题其他
通讯作者Wang F(王锋)
作者单位1.Center For Astrophysics, Guangzhou University, Guangzhou 510006, P.R. China
2.Yunnan Observatories, Chinese Academy of Sciences, Kunming 650216, P.R. China
3.CAS Key Laboratory of Solar Activity, National Astronomical Observatories, Beijing 100012, P.R. China
4.University of Chinese Academy of Sciences, Beijing 100049, 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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Mei Y,Deng H,Wang F. On midrange periodicities in solar radio flux and sunspot areas[J]. ASTROPHYSICS AND SPACE SCIENCE,2018,363(4).
APA Mei Y,Deng H,&Wang F.(2018).On midrange periodicities in solar radio flux and sunspot areas.ASTROPHYSICS AND SPACE SCIENCE,363(4).
MLA Mei Y,et al."On midrange periodicities in solar radio flux and sunspot areas".ASTROPHYSICS AND SPACE SCIENCE 363.4(2018).
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