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Double-layer structure of OH dayglow in the mesosphere
Gao, Hong; Xu, Jiyao; Ward, William; Smith, Anne K.; Chen, Guang-Ming; Gao, H (reprint author), Chinese Acad Sci, Ctr Space Sci & Appl Res, State Key Lab Space Weather, Beijing, Peoples R China.
Department空间科学部
Source PublicationJOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS
2015
Volume120Issue:7Pages:5778-5787
ISSN2169-9380
Language英语
KeywordOh Airglow Double-layer Mesosphere
AbstractObservations by the Sounding of the Atmosphere using Broadband Emission Radiometry instrument on the Thermosphere-Ionosphere-Mesosphere Energetics and Dynamics satellite from January 2002 to June 2014 are used to study the vertical structure of OH dayglow. The results indicate for the first time that there is a double-layer structure in the distributions of 12year averaged OH airglow emission, [O-3], and [H] during the daytime. The upper layer of OH dayglow is located in the mesopause region (similar to 88km) at a similar altitude to that of the OH nightglow. The lower layer is situated in the range of 70-85km. Both the peak emission and height of the lower layer increase with local time. The distance between the two layers decreases with local time. At the equator, the lower layer forms at similar to 09:00 LT and lasts for about 8h; during this time the interlayer distance decreases from 13km to 5km. The double-layer structure is more obvious and longer-lived during the equinoxes and at lower latitudes. The double-layer structure of OH dayglow emission is a long-term stable structure and is mainly caused by photochemical processes involving [O-3]. It is also modulated by background atmospheric temperature and [H].
Indexed BySCI
Document Type期刊论文
Identifierhttp://ir.nssc.ac.cn/handle/122/4571
Collection空间科学部
Corresponding AuthorGao, H (reprint author), Chinese Acad Sci, Ctr Space Sci & Appl Res, State Key Lab Space Weather, Beijing, Peoples R China.
Recommended Citation
GB/T 7714
Gao, Hong,Xu, Jiyao,Ward, William,et al. Double-layer structure of OH dayglow in the mesosphere[J]. JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS,2015,120(7):5778-5787.
APA Gao, Hong,Xu, Jiyao,Ward, William,Smith, Anne K.,Chen, Guang-Ming,&Gao, H .(2015).Double-layer structure of OH dayglow in the mesosphere.JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS,120(7),5778-5787.
MLA Gao, Hong,et al."Double-layer structure of OH dayglow in the mesosphere".JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 120.7(2015):5778-5787.
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