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Global characteristics of occurrence of an additional layer in the ionosphere observed by COSMIC/FORMOSAT-3
Zhao, Biqiang; Wan, Weixing; Yue, Xinan; Liu, Libo; Ren, Zhipeng; He, Maosheng; Liu, Jing; Zhao, BQ (reprint author), Chinese Acad Sci, Inst Geol & Geophys, Beijing Natl Observ Space Environm, Beijing 10029, Peoples R China.
Department空间科学部
Source PublicationGEOPHYSICAL RESEARCH LETTERS
2011
Volume38Pages:L02101
ISSN0094-8276
Language英语
AbstractGlobal observations of electron density profile (EDP) from the COSMIC/FORMOSAT-3 satellites were used to investigate, for the first time, the additional stratification of the F2 layer over the equatorial ionosphere on a global scale, which is called F3 layer. The F3 layer in EDP was recognized through the altitude differential profile featured by two maxima existing from 220 km to the peak height of the electron density. There were similar to 9,400 cases of F3 layer selected out of similar to 448, 000 occultation events at low and equatorial areas during the period of April 2006-September 2010. Statistical results show that the highest occurrence of F3 layer appears at dip latitude 7 similar to 8 degrees/-7 similar to-8 degrees for Northern/Southern Hemisphere and is more pronounced during summer months at 10:00-14:00 LT. The occurrence also has a clear longitude dependence during boreal summer, with relatively higher occurrence at -80 similar to-100 degrees, -20 similar to 20 degrees, 80 similar to 120 degrees and -160 similar to-170 degrees longitudes, that is possibly associated with the wavenumber-3 diurnal tide (DE3). The results support the principle of the F3 layer proposed by Balan et al. (1998), which in turn validate the accuracy of the retrieval of the COSMIC EDP data. Citation: Zhao, B., W. Wan, X. Yue, L. Liu, Z. Ren, M. He, and J. Liu (2011), Global characteristics of occurrence of an additional layer in the ionosphere observed by COSMIC/FORMOSAT-3, Geophys. Res. Lett., 38, L02101, doi:10.1029/2010GL045744.; Global observations of electron density profile (EDP) from the COSMIC/FORMOSAT-3 satellites were used to investigate, for the first time, the additional stratification of the F2 layer over the equatorial ionosphere on a global scale, which is called F3 layer. The F3 layer in EDP was recognized through the altitude differential profile featured by two maxima existing from 220 km to the peak height of the electron density. There were similar to 9,400 cases of F3 layer selected out of similar to 448, 000 occultation events at low and equatorial areas during the period of April 2006-September 2010. Statistical results show that the highest occurrence of F3 layer appears at dip latitude 7 similar to 8 degrees/-7 similar to-8 degrees for Northern/Southern Hemisphere and is more pronounced during summer months at 10:00-14:00 LT. The occurrence also has a clear longitude dependence during boreal summer, with relatively higher occurrence at -80 similar to-100 degrees, -20 similar to 20 degrees, 80 similar to 120 degrees and -160 similar to-170 degrees longitudes, that is possibly associated with the wavenumber-3 diurnal tide (DE3). The results support the principle of the F3 layer proposed by Balan et al. (1998), which in turn validate the accuracy of the retrieval of the COSMIC EDP data. Citation: Zhao, B., W. Wan, X. Yue, L. Liu, Z. Ren, M. He, and J. Liu (2011), Global characteristics of occurrence of an additional layer in the ionosphere observed by COSMIC/FORMOSAT-3, Geophys. Res. Lett., 38, L02101, doi:10.1029/2010GL045744.
Indexed BySCI ; EI
Funding Project中国科学院空间科学与应用研究中心
Document Type期刊论文
Identifierhttp://ir.nssc.ac.cn/handle/122/3084
Collection空间科学部
Corresponding AuthorZhao, BQ (reprint author), Chinese Acad Sci, Inst Geol & Geophys, Beijing Natl Observ Space Environm, Beijing 10029, Peoples R China.
Recommended Citation
GB/T 7714
Zhao, Biqiang,Wan, Weixing,Yue, Xinan,et al. Global characteristics of occurrence of an additional layer in the ionosphere observed by COSMIC/FORMOSAT-3[J]. GEOPHYSICAL RESEARCH LETTERS,2011,38:L02101.
APA Zhao, Biqiang.,Wan, Weixing.,Yue, Xinan.,Liu, Libo.,Ren, Zhipeng.,...&Zhao, BQ .(2011).Global characteristics of occurrence of an additional layer in the ionosphere observed by COSMIC/FORMOSAT-3.GEOPHYSICAL RESEARCH LETTERS,38,L02101.
MLA Zhao, Biqiang,et al."Global characteristics of occurrence of an additional layer in the ionosphere observed by COSMIC/FORMOSAT-3".GEOPHYSICAL RESEARCH LETTERS 38(2011):L02101.
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