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Response and periodic variation of total atmospheric ozone to solar activity over Mountain Waliguan
Okoro, Eucharia Chidinma1,2; Yan, Yi-hua1,3; Bisoi, Susanta Kumar4; Zhang, Yin1
2021-09-15
Source PublicationADVANCES IN SPACE RESEARCH
ISSN0273-1177
Volume68Issue:6Pages:2257-2271
AbstractModern-Era Retrospective Analysis for Research and Applications, Version-2 (MERRA-2) total column ozone (TCO) data from 1980 to 2018 and ground based TCO data were used to investigate its responses to periodic variations concerning stratospheric dynamics such as tropopause heights and Quasi-Biennial Oscillations (QBO), and solar activity signatures of Magnesium II core-to-wing ratio (Mg II) and F10.7 cm solar radio flux (F10.7) observed over Mountain (Mt.) Waliguan (36.17 degrees N, 100.53 degrees E), China. Cross-correlation and wavelet analyses were used for carrying out the investigation. The MgII and F10.7 show a periodicity of around an 11-year solar cycle (SC) while the TCO trend is though periodic and it does not exhibit one to one correspondence with the 11-year SC. The highest value in TCO is 355.7 DU noted in February (1982) whereas, the lowest value of TCO is 256.02 DU in October (1988) during the entire study period. The average value in TCO is 291.17 +/- 0.94 DU with an amplitude of variation of 99.68 DU (similar to 28%). The trend of TCO depicts a persistent distinct seasonal pattern with maxima in winter/spring (December through April) and minima in summer/autumn (August through November). The long-term variability shows a notable decreasing trend in TCO by similar to 30%, 13%, and 5% per decade for SCs 21-23, where SC 24 represents an increasing trend of similar to 1% per decade. Hence, this illustrates the significant recovery of TCO over Mt. Waliguan, China which is as a result of the reduction of the ozone depletion agents arising as a positive outcome of the implementation of the Montreal regulatory policy. From wavelet analysis, the F10.7, MgII, tropopause height, QBO and TCO show a significant dominant periodicity of 10-12 months. It is concluded that the variations in mean TCO are strongly correlated with variations of the F10.7 cm and Mg-II solar indices, and the mean TCO responds rapidly to solar activity variations. (C) 2021 COSPAR. Published by Elsevier B.V.
KeywordOzone Solar cycle Solar periodicity Solar flux Magnesium II core-to-wing ratio
Funding OrganizationNSFC ; NSFC ; NSFC ; NSFC ; NSFC ; NSFC ; NSFC ; NSFC
DOI10.1016/j.asr.2021.06.021
WOS KeywordWAVELET TRANSFORM ; MAGNETIC-FIELDS ; CIRCULATION
Language英语
Funding ProjectNSFC[11790301]
Funding OrganizationNSFC ; NSFC ; NSFC ; NSFC ; NSFC ; NSFC ; NSFC ; NSFC
WOS Research AreaEngineering ; Astronomy & Astrophysics ; Geology ; Meteorology & Atmospheric Sciences
WOS SubjectEngineering, Aerospace ; Astronomy & Astrophysics ; Geosciences, Multidisciplinary ; Meteorology & Atmospheric Sciences
WOS IDWOS:000681375300001
PublisherELSEVIER SCI LTD
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Document Type期刊论文
Identifierhttp://ir.bao.ac.cn/handle/114a11/76088
Collection中国科学院国家天文台
Corresponding AuthorOkoro, Eucharia Chidinma
Affiliation1.Chinese Acad Sci, Natl Astron Observ, Key Lab Solar Act, Beijing 100100, Peoples R China
2.Univ Nigeria, Dept Phys & Astron, Nsukka, Nigeria
3.Univ Chinese Acad Sci, Sch Astron & Space Sci, Beijing 100049, Peoples R China
4.Natl Inst Technol, Dept Phys & Astron, Rourkela 769008, India
Recommended Citation
GB/T 7714
Okoro, Eucharia Chidinma,Yan, Yi-hua,Bisoi, Susanta Kumar,et al. Response and periodic variation of total atmospheric ozone to solar activity over Mountain Waliguan[J]. ADVANCES IN SPACE RESEARCH,2021,68(6):2257-2271.
APA Okoro, Eucharia Chidinma,Yan, Yi-hua,Bisoi, Susanta Kumar,&Zhang, Yin.(2021).Response and periodic variation of total atmospheric ozone to solar activity over Mountain Waliguan.ADVANCES IN SPACE RESEARCH,68(6),2257-2271.
MLA Okoro, Eucharia Chidinma,et al."Response and periodic variation of total atmospheric ozone to solar activity over Mountain Waliguan".ADVANCES IN SPACE RESEARCH 68.6(2021):2257-2271.
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