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Local Time Variations of Quiet Time Meridional Winds During Solar Minimum Solstices Based on ICON Observations and Numerical Simulations

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成果类型:
期刊论文
作者:
Yu, Tingting;Cai, Xuguang;Ren, Zhipeng;Liu, Huixin;Qiu, Liuhui;...
通讯作者:
Ren, ZP;Cai, XG
作者机构:
[Yu, Tingting; Ren, Zhipeng; Li, Shaoyang; Ma, Han; Ren, ZP] Chinese Acad Sci, Inst Geol & Geophys, Key Lab Earth & Planetary Phys, Beijing, Peoples R China.
[Yu, Tingting; Ren, Zhipeng; Li, Shaoyang; Ma, Han; Ren, ZP] Chinese Acad Sci, Inst Geol & Geophys, Beijing Natl Observ Space Environm, Beijing, Peoples R China.
[Yu, Tingting; Ren, Zhipeng; Li, Shaoyang; Ma, Han; Ren, ZP] Univ Chinese Acad Sci, Coll Earth & Planetary Sci, Beijing, Peoples R China.
[Yu, Tingting; Liu, Huixin; Qiu, Liuhui; Ma, Han] Kyushu Univ, Dept Earth & Planetary Sci, Fukuoka, Japan.
[Cai, XG; Cai, Xuguang] Univ Colorado, Lab Atmospher & Space Phys, Boulder, CO 80303 USA.
通讯机构:
[Cai, XG ] U
[Ren, ZP ] C
Chinese Acad Sci, Inst Geol & Geophys, Key Lab Earth & Planetary Phys, Beijing, Peoples R China.
Chinese Acad Sci, Inst Geol & Geophys, Beijing Natl Observ Space Environm, Beijing, Peoples R China.
Univ Chinese Acad Sci, Coll Earth & Planetary Sci, Beijing, Peoples R China.
语种:
英文
关键词:
meridional winds in F region;ICON /MIGHTI observations;solar minimum solstices;TIEGCM simulations;during quiet time;local time dependency
期刊:
Earth and Space Science
ISSN:
2333-5084
年:
2025
卷:
12
期:
2
页码:
e2024EA003880-
基金类别:
B-type Strategic Priority Program of the Chinese Academy of Sciences; National Key R & D Program of China [2022YFF0503901]; National Science Foundation of China [42304178]; China Scholarship Council; China Meteorological Administration "Ionospheric Forecast and Alerting" Youth Innovation Team [CMA2024QN09]; National Science Foundation [AGS-2437053]; JSPS [20H00197, JP22K21345]; [XDB41000000]
机构署名:
本校为其他机构
院系归属:
物理与电子科学学院
摘要:
ICON observations were used to investigate local time (LT) and latitudinal variations of thermospheric meridional winds in the middle-high thermosphere (160–300 km) during quiet times in 2020 June and December. At middle-low latitudes (10°S–40°N), meridional winds were predominantly equatorward in the summer hemisphere while mostly poleward in the winter hemisphere. The meridional winds showed that the diurnal variation was dominant between ∼20°N and ∼40°N, but the semi-diurnal variation played a leading role at lower latitudes (below ∼...

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