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"Ionospheric Drizzle" Observed in the Pre-Dawn E-F Valley Over Sanya

文献类型：期刊论文

作者Zhou, Xu1,3; Yue, Xinan1,2,3; Wang, Junyi1,2,3; Cai, Yihui1,2,3; Ding, Feng1,2,3; Ning, Baiqi1,3; Jin, Yuyan1,2,3; Li, Mingyuan1,2,3; Wang, Yonghui1,2,3; Zhang, Ning1,3
刊名JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS
出版日期2023-06-01
卷号128期号:6页码:9
ISSN号2169-9380
DOI10.1029/2023JA031481
英文摘要A new incoherent scattering radar established at Sanya (18.3 degrees N, 109.6 degrees E; SYISR) has made it possible to directly measure the fine structure of the ionospheric E-F valley. An intriguing phenomenon termed "ionospheric drizzle" was revealed by the month-long continuous observation of complete ionospheric profiles with a temporal and vertical resolution of 0.8 s and 4.5 km. It manifests as weak plasma "streaks" in the strength of similar to 10(3)-10(4) cm(-3) that detach from the F-layer base and extends downward to the sporadic E (Es) layer during pre-dawn hours, with an apparent descent speed of similar to 10-20 m/s. The frequently observed "ionospheric drizzle" provides additional plasma to enhance the Es layer. Subsequent testing particle simulations were performed, revealing the critical role of the neutral winds in the plasma descent. This downward coupling process enhancing the Es layer is thus supposed to be important in communication and navigation.
WOS关键词SPORADIC-E ; IONIZATION LAYERS ; ROCKET ; MIDDLE ; RADAR
资助项目Project of Stable Support for Youth Team in Basic Research Field, CAS[YSBR-018] ; B-type Strategic Priority Program of the Chinese Academy of Sciences[XDB41000000]
WOS研究方向Astronomy & Astrophysics
语种英语
WOS记录号WOS:001022182200007
出版者AMER GEOPHYSICAL UNION
资助机构Project of Stable Support for Youth Team in Basic Research Field, CAS ; Project of Stable Support for Youth Team in Basic Research Field, CAS ; B-type Strategic Priority Program of the Chinese Academy of Sciences ; B-type Strategic Priority Program of the Chinese Academy of Sciences ; Project of Stable Support for Youth Team in Basic Research Field, CAS ; Project of Stable Support for Youth Team in Basic Research Field, CAS ; B-type Strategic Priority Program of the Chinese Academy of Sciences ; B-type Strategic Priority Program of the Chinese Academy of Sciences ; Project of Stable Support for Youth Team in Basic Research Field, CAS ; Project of Stable Support for Youth Team in Basic Research Field, CAS ; B-type Strategic Priority Program of the Chinese Academy of Sciences ; B-type Strategic Priority Program of the Chinese Academy of Sciences ; Project of Stable Support for Youth Team in Basic Research Field, CAS ; Project of Stable Support for Youth Team in Basic Research Field, CAS ; B-type Strategic Priority Program of the Chinese Academy of Sciences ; B-type Strategic Priority Program of the Chinese Academy of Sciences
源URL[http://ir.iggcas.ac.cn/handle/132A11/110699]  
专题地质与地球物理研究所_中国科学院地球与行星物理重点实验室
通讯作者Yue, Xinan
作者单位1.Chinese Acad Sci, Beijing Natl Observ Space Environm, Inst Geol & Geophys, Beijing, Peoples R China
2.Univ Chinese Acad Sci, Coll Earth & Planetary Sci, Beijing, Peoples R China
3.Chinese Acad Sci, Inst Geol & Geophys, Key Lab Earth & Planetary Phys, Beijing, Peoples R China
推荐引用方式
GB/T 7714		 Zhou, Xu,Yue, Xinan,Wang, Junyi,et al. "Ionospheric Drizzle" Observed in the Pre-Dawn E-F Valley Over Sanya[J]. JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS,2023,128(6):9.
APA Zhou, Xu.,Yue, Xinan.,Wang, Junyi.,Cai, Yihui.,Ding, Feng.,...&Luo, Junhao.(2023)."Ionospheric Drizzle" Observed in the Pre-Dawn E-F Valley Over Sanya.JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS,128(6),9.
MLA Zhou, Xu,et al.""Ionospheric Drizzle" Observed in the Pre-Dawn E-F Valley Over Sanya".JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 128.6(2023):9.

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来源：地质与地球物理研究所

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