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Climatology Analysis of the Daytime Topside Ionospheric Diffusive O+ Flux Based on Incoherent Scatter Radar Observations at Millstone Hill

文献类型：期刊论文

作者Cai, Yihui1,2,3,4,5; Wang, Wenbin4; Zhang, Shun-Rong6; Yue, Xinan2,3,5; Ren, Zhipeng2,3,5; Liu, Huixin1
刊名JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS
出版日期2021-10-01
卷号126期号:10页码:15
ISSN号2169-9380
关键词topside ionosphere O plus diffusive flux climatology Millstone Hill ISR geomagnetic activity effects
DOI10.1029/2021JA029222
英文摘要This paper reports the characteristics of the topside ionospheric O+ diffusive flux (phi O+) during both geomagnetically quiet (0 <= Kp <= 2) and moderate (2 < Kp <= 4) times using incoherent scatter radar observations at Millstone Hill (42.6 degrees N, 288.5 degrees E) for solar minimum from 1970 to 2018. phi O+ partially characterizes plasma mass exchange between the upper and lower part of the topside ionosphere through diffusion and sometimes serves as upper boundary conditions for ionosphere-thermosphere models. The altitude where the flux sign changes (mainly during daytime) is termed the transition height and the time when the flux sign changes (mainly at dawn and dusk) is termed the transition time. At quiet times, the daytime transition height is similar to 100 km above the F2 peak height (h(m)F(2)) in summer, and it is about 50 km above h(m)F(2) in other seasons; the transition time is before 18 solar local time (SLT) in spring and winter, but after 18 SLT in summer and autumn. The daytime average upward phi O+ above the transition height shows a significant seasonal variation with a minimum of 2.2x108cm-2s-1 in summer and a maximum of 3.7x108cm-2s-1 in autumn. Under geomagnetically moderate conditions, the transition height increases by similar to 20 km in spring, winter, and autumn, but moves up by about 20-50 km in summer. The transition time occurs later by similar to 1 hr in summer but similar to 1 hr earlier in other seasons. The mean upward phi O+ peaks in summer and minimizes in spring.
WOS关键词REGION VERTICAL VELOCITIES ; MIDLATITUDE ; MODEL ; TIME ; TEMPERATURES ; EQUINOX ; HEIGHT ; FLOW
资助项目B-type Strategic Priority Program of the Chinese Academy of Sciences[XDB41000000] ; Project of Stable Support for Youth Team in Basic Research Field, CAS[YSBR-018] ; Open Research Project of Large Research Infrastructures of CAS ; National Natural Science Foundation of China[41427901] ; US NSF ; NSF[AGS-952737] ; US AFOSR MURI award[FA9559-161-0364] ; US ONR[N0001417-1-2186] ; National Science Foundation
WOS研究方向Astronomy & Astrophysics
语种英语
出版者AMER GEOPHYSICAL UNION
WOS记录号WOS:000711498900062
资助机构B-type Strategic Priority Program of the Chinese Academy of Sciences ; B-type Strategic Priority Program of the Chinese Academy of Sciences ; 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 ; Project of Stable Support for Youth Team in Basic Research Field, CAS ; Project of Stable Support for Youth Team in Basic Research Field, CAS ; Open Research Project of Large Research Infrastructures of CAS ; Open Research Project of Large Research Infrastructures of CAS ; Open Research Project of Large Research Infrastructures of CAS ; Open Research Project of Large Research Infrastructures of CAS ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; US NSF ; US NSF ; US NSF ; US NSF ; NSF ; NSF ; NSF ; NSF ; US AFOSR MURI award ; US AFOSR MURI award ; US AFOSR MURI award ; US AFOSR MURI award ; US ONR ; US ONR ; US ONR ; US ONR ; National Science Foundation ; National Science Foundation ; National Science Foundation ; National Science Foundation ; B-type Strategic Priority Program of the Chinese Academy of Sciences ; B-type Strategic Priority Program of the Chinese Academy of Sciences ; 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 ; Project of Stable Support for Youth Team in Basic Research Field, CAS ; Project of Stable Support for Youth Team in Basic Research Field, CAS ; Open Research Project of Large Research Infrastructures of CAS ; Open Research Project of Large Research Infrastructures of CAS ; Open Research Project of Large Research Infrastructures of CAS ; Open Research Project of Large Research Infrastructures of CAS ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; US NSF ; US NSF ; US NSF ; US NSF ; NSF ; NSF ; NSF ; NSF ; US AFOSR MURI award ; US AFOSR MURI award ; US AFOSR MURI award ; US AFOSR MURI award ; US ONR ; US ONR ; US ONR ; US ONR ; National Science Foundation ; National Science Foundation ; National Science Foundation ; National Science Foundation ; B-type Strategic Priority Program of the Chinese Academy of Sciences ; B-type Strategic Priority Program of the Chinese Academy of Sciences ; 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 ; Project of Stable Support for Youth Team in Basic Research Field, CAS ; Project of Stable Support for Youth Team in Basic Research Field, CAS ; Open Research Project of Large Research Infrastructures of CAS ; Open Research Project of Large Research Infrastructures of CAS ; Open Research Project of Large Research Infrastructures of CAS ; Open Research Project of Large Research Infrastructures of CAS ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; US NSF ; US NSF ; US NSF ; US NSF ; NSF ; NSF ; NSF ; NSF ; US AFOSR MURI award ; US AFOSR MURI award ; US AFOSR MURI award ; US AFOSR MURI award ; US ONR ; US ONR ; US ONR ; US ONR ; National Science Foundation ; National Science Foundation ; National Science Foundation ; National Science Foundation ; B-type Strategic Priority Program of the Chinese Academy of Sciences ; B-type Strategic Priority Program of the Chinese Academy of Sciences ; 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 ; Project of Stable Support for Youth Team in Basic Research Field, CAS ; Project of Stable Support for Youth Team in Basic Research Field, CAS ; Open Research Project of Large Research Infrastructures of CAS ; Open Research Project of Large Research Infrastructures of CAS ; Open Research Project of Large Research Infrastructures of CAS ; Open Research Project of Large Research Infrastructures of CAS ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; US NSF ; US NSF ; US NSF ; US NSF ; NSF ; NSF ; NSF ; NSF ; US AFOSR MURI award ; US AFOSR MURI award ; US AFOSR MURI award ; US AFOSR MURI award ; US ONR ; US ONR ; US ONR ; US ONR ; National Science Foundation ; National Science Foundation ; National Science Foundation ; National Science Foundation
源URL[http://ir.iggcas.ac.cn/handle/132A11/103780]  
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; Liu, Huixin
作者单位1.Kyushu Univ, Dept Earth & Planetary Sci, Fukuoka, Japan
2.Chinese Acad Sci, Inst Geol & Geophys, Key Lab Earth & Planetary Phys, Beijing, Peoples R China
3.Univ Chinese Acad Sci, Coll Earth & Planetary Sci, Beijing, Peoples R China
4.Natl Ctr Atmospher Res, High Altitude Observ, Pob 3000, Boulder, CO 80307 USA
5.Chinese Acad Sci, Inst Geol & Geophys, Beijing Natl Observ Space Environm, Beijing, Peoples R China
6.MIT, Haystack Observ, Westford, MA 01886 USA
推荐引用方式
GB/T 7714		 Cai, Yihui,Wang, Wenbin,Zhang, Shun-Rong,et al. Climatology Analysis of the Daytime Topside Ionospheric Diffusive O+ Flux Based on Incoherent Scatter Radar Observations at Millstone Hill[J]. JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS,2021,126(10):15.
APA Cai, Yihui,Wang, Wenbin,Zhang, Shun-Rong,Yue, Xinan,Ren, Zhipeng,&Liu, Huixin.(2021).Climatology Analysis of the Daytime Topside Ionospheric Diffusive O+ Flux Based on Incoherent Scatter Radar Observations at Millstone Hill.JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS,126(10),15.
MLA Cai, Yihui,et al."Climatology Analysis of the Daytime Topside Ionospheric Diffusive O+ Flux Based on Incoherent Scatter Radar Observations at Millstone Hill".JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 126.10(2021):15.

入库方式： OAI收割

来源：地质与地球物理研究所

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