globalchange  > 科学计划与规划
DOI: 10.1002/2015GL067432
论文题名:
Altitude development of postmidnight F region field-aligned irregularities observed using Equatorial Atmosphere Radar in Indonesia
作者: Dao T.; Otsuka Y.; Shiokawa K.; Tulasi Ram S.; Yamamoto M.
刊名: Geophysical Research Letters
ISSN: 0094-9374
EISSN: 1944-9105
出版年: 2016
卷: 43, 期:3
起始页码: 1015
结束页码: 1022
语种: 英语
英文关键词: Equatorial Atmosphere Radar ; equatorial ionosphere ; F region field-aligned irregularity ; plasma bubbles ; rise velocities of FAIs ; spread F
Scopus关键词: F region ; Geomagnetism ; Ionosphere ; Radar ; Velocity ; Equatorial atmosphere radar ; Equatorial ionosphere ; Field-aligned irregularities ; Plasma bubble ; Rise velocity ; Spread F ; Plasma theory ; altitude ; bubble ; F region ; geomagnetic field ; ionosphere ; latitude ; magnetic anisotropy ; map ; perturbation ; plasma ; radar ; temporal variation ; velocity ; Indonesia
英文摘要: For the first time, vertical rise velocities of postmidnight field-aligned irregularities (FAIs) at low geomagnetic latitudes have been examined near the June solstice by using two-dimensional maps of F region FAI echoes observed with the Equatorial Atmosphere Radar in Indonesia for 3 years starting in May 2010. We found 15 freshly growing FAIs at postmidnight between May and August during the 3 years. The rise velocities of FAIs are smaller at postmidnight than at postsunset, and most postmidnight FAIs do not exceed an altitude of 450 km. Based on the rise velocities, a lower limit for the creation time of the postmidnight FAIs is estimated to be between 21:30 LT and 02:00 LT for 14 of the 15 events, indicating that this class of FAIs is distinct from the postsunset FAIs. © 2016. American Geophysical Union. All Rights Reserved.
URL: https://www.scopus.com/inward/record.uri?eid=2-s2.0-84959386805&doi=10.1002%2f2015GL067432&partnerID=40&md5=21fb16c978f7ff2f6b7767d64c022839
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/10337
Appears in Collections:科学计划与规划
气候变化与战略

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作者单位: Institute for Space-Earth Environmental Research, Nagoya University, Nagoya, Japan

Recommended Citation:
Dao T.,Otsuka Y.,Shiokawa K.,et al. Altitude development of postmidnight F region field-aligned irregularities observed using Equatorial Atmosphere Radar in Indonesia[J]. Geophysical Research Letters,2016-01-01,43(3).
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