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Initial Results of Meteor Wind with Langfang Medium Frequency Radar
Alternative TitleWOS:000541801900096;20202308781793
Cai, Bing1; Xu, Qingchen; Hu, Xiong; Yang, Junfeng
Source PublicationATMOSPHERE
2020
Volume11Issue:5Pages:507
DOI10.3390/atmos11050507
Language英语
KeywordMF radar meteor detection meteor distribution horizontal wind UPPER MESOSPHERE MEAN WINDS
AbstractWe conducted meteor observations during the Leonid meteor shower on 16 November 2017 and 17 November 2018 with Langfang medium frequency (MF) radar (116 degrees E, 40 degrees N). This was the first nighttime meteor observation by MF radar in mid-latitude China. The observation period was 12:00-22:00 (UT) and the observation range was 78-150 km. By using broad vertical beams, totally 94 and 92 meteor echoes were obtained, along with their spatial, time and height distribution. Quite a few meteor echoes are within 30 degrees zenith angles, from the southwest direction, and with a mean height of 107 km which is almost 10 km higher than traditional VHF (Very High Frequency) meteor radar observations. Initial bi-hourly and nightly averaged wind profiles were calculated, and well fitted the wind estimations by co-located VHF meteor radar at the altitude of 100-110 km. On the other side, echoes around 140 km are successfully detected in our observation, which may suggest that for most running MF radars, meteor echoes around 140 km altitude could be detected with a sampling pulse frequency less than 100 Hz.
Indexed BySCI ; EI
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Document Type期刊论文
Identifierhttp://ir.nssc.ac.cn/handle/122/7683
Collection中国科学院国家空间科学中心
Affiliation1.Chinese Acad Sci, Natl Space Sci Ctr, Key Lab Sci & Technol Environm Space Situat Aware, Beijing 100190, Peoples R China
2.Univ Chinese Acad Sci, Coll Earth Sci, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Cai, Bing,Xu, Qingchen,Hu, Xiong,et al. Initial Results of Meteor Wind with Langfang Medium Frequency Radar[J]. ATMOSPHERE,2020,11(5):507.
APA Cai, Bing,Xu, Qingchen,Hu, Xiong,&Yang, Junfeng.(2020).Initial Results of Meteor Wind with Langfang Medium Frequency Radar.ATMOSPHERE,11(5),507.
MLA Cai, Bing,et al."Initial Results of Meteor Wind with Langfang Medium Frequency Radar".ATMOSPHERE 11.5(2020):507.
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