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Chinese sunspot drawings and their digitization - (III) quasi-biennial oscillation of the hand-drawn sunspot records
Wan, Miao1; Zeng, Shu-Guang1; Zheng, Sheng1; Lin, Gang-Hua2
2020-11-01
Source PublicationRESEARCH IN ASTRONOMY AND ASTROPHYSICS
ISSN1674-4527
Volume20Issue:11Pages:7
AbstractQuasi-biennial Oscillations (QBOs) of the Sun have a significant meaning as a benchmark of solar cycle, not only for understanding the dynamo action but also in terms of space weather prediction. In this paper, the hand-drawn sunspot images recorded from the Purple Mountain Observatory are used to investigate the solar QBOs and the Gnevyshev gap of the sunspot relative numbers (Rs) and group sunspot numbers (Rg) during the period 1954-2011. The main results are as follows: (1) both the Rs and Rg exhibit similar periods including the 22-year magnetic cycle, the 11-year Schwabe cycle, and the QBOs modes; (2) the reconstructed QBOs of both data sets exhibit coherent behavior and tend to have a high amplitude during the maximum phase of each solar cycle; (3) the Gnevyshev gap is produced by the superposition of the QBOs and the 11-year Schwabe cycle, and the Rs is better to study the variation of the Gnevyshev gap rather than the Rg.
KeywordSun activity Sun sunspot Sun quasi-biennial oscillation
Funding OrganizationNational Natural Science Foundation of China ; National Natural Science Foundation of China ; special foundation work of the Ministry of Science and Technology of China ; special foundation work of the Ministry of Science and Technology of China ; 13th Five-year Informatization Plan of Chinese Academy of Sciences ; 13th Five-year Informatization Plan of Chinese Academy of Sciences ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; special foundation work of the Ministry of Science and Technology of China ; special foundation work of the Ministry of Science and Technology of China ; 13th Five-year Informatization Plan of Chinese Academy of Sciences ; 13th Five-year Informatization Plan of Chinese Academy of Sciences ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; special foundation work of the Ministry of Science and Technology of China ; special foundation work of the Ministry of Science and Technology of China ; 13th Five-year Informatization Plan of Chinese Academy of Sciences ; 13th Five-year Informatization Plan of Chinese Academy of Sciences ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; special foundation work of the Ministry of Science and Technology of China ; special foundation work of the Ministry of Science and Technology of China ; 13th Five-year Informatization Plan of Chinese Academy of Sciences ; 13th Five-year Informatization Plan of Chinese Academy of Sciences
DOI10.1088/1674-4527/20/11/190
WOS KeywordPHASE ASYNCHRONY ; MAGNETIC-FIELD ; SOLAR-ACTIVITY ; PERIODICITIES ; DECOMPOSITION ; CYCLES ; WIND
Language英语
Funding ProjectNational Natural Science Foundation of China[U1731124] ; National Natural Science Foundation of China[U1531247] ; National Natural Science Foundation of China[11427901] ; special foundation work of the Ministry of Science and Technology of China[2014FY120300] ; 13th Five-year Informatization Plan of Chinese Academy of Sciences[XXH13505-04]
Funding OrganizationNational Natural Science Foundation of China ; National Natural Science Foundation of China ; special foundation work of the Ministry of Science and Technology of China ; special foundation work of the Ministry of Science and Technology of China ; 13th Five-year Informatization Plan of Chinese Academy of Sciences ; 13th Five-year Informatization Plan of Chinese Academy of Sciences ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; special foundation work of the Ministry of Science and Technology of China ; special foundation work of the Ministry of Science and Technology of China ; 13th Five-year Informatization Plan of Chinese Academy of Sciences ; 13th Five-year Informatization Plan of Chinese Academy of Sciences ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; special foundation work of the Ministry of Science and Technology of China ; special foundation work of the Ministry of Science and Technology of China ; 13th Five-year Informatization Plan of Chinese Academy of Sciences ; 13th Five-year Informatization Plan of Chinese Academy of Sciences ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; special foundation work of the Ministry of Science and Technology of China ; special foundation work of the Ministry of Science and Technology of China ; 13th Five-year Informatization Plan of Chinese Academy of Sciences ; 13th Five-year Informatization Plan of Chinese Academy of Sciences
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
WOS IDWOS:000593530000001
PublisherNATL ASTRONOMICAL OBSERVATORIES, CHIN ACAD SCIENCES
Citation statistics
Document Type期刊论文
Identifierhttp://ir.bao.ac.cn/handle/114a11/80531
Collection中国科学院国家天文台
Corresponding AuthorZeng, Shu-Guang
Affiliation1.China Three Gorges Univ, Coll Sci, Yichang 443002, Peoples R China
2.Chinese Acad Sci, Natl Astron Observ, Beijing 100101, Peoples R China
Recommended Citation
GB/T 7714
Wan, Miao,Zeng, Shu-Guang,Zheng, Sheng,et al. Chinese sunspot drawings and their digitization - (III) quasi-biennial oscillation of the hand-drawn sunspot records[J]. RESEARCH IN ASTRONOMY AND ASTROPHYSICS,2020,20(11):7.
APA Wan, Miao,Zeng, Shu-Guang,Zheng, Sheng,&Lin, Gang-Hua.(2020).Chinese sunspot drawings and their digitization - (III) quasi-biennial oscillation of the hand-drawn sunspot records.RESEARCH IN ASTRONOMY AND ASTROPHYSICS,20(11),7.
MLA Wan, Miao,et al."Chinese sunspot drawings and their digitization - (III) quasi-biennial oscillation of the hand-drawn sunspot records".RESEARCH IN ASTRONOMY AND ASTROPHYSICS 20.11(2020):7.
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