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Determining wind field and electric field by a barium release experiment in the ionosphere
Xie LiangHai; Li Lei; Wang JingDong; Tao Ran; Xie, LH (reprint author), Chinese Acad Sci, Ctr Space Sci & Appl Res, Beijing 100190, Peoples R China.
Department空间科学部
Source PublicationSCIENCE CHINA-EARTH SCIENCES
2015
Volume58Issue:7Pages:1210-1215
ISSN1674-7313
Language英语
KeywordActive Experiment Barium Release Ionospheric Electric Field Wind Field
AbstractBarium release experiment is an effective way to study the near-earth environment, in which artificial plasma cloud is created via ionization of neutral gases released from a rocket or a satellite. The first barium release experiment in China was successfully carried out by a sounding rocket at a height of about 190 km on April 5, 2013. The observed barium cloud images show that the neutral cloud follows a damping motion, whose velocity decreases exponentially and finally tends towards the wind velocity of the background. But for the ion cloud, the motion is controlled mainly by the Lorentz force and a ExB drift happens. This work is devoted to calculating the wind and electric field of the background by analyzing the observed images from different stations. It turns out that the wind has a magnitude of 51.28 m/s, which is mainly in the northeast direction but also has an appreciable vertical component; the ion cloud has a drift velocity of 71.38 m/s, with a large vertical velocity component besides the horizontal components, then the electric field is obtained from the drift velocity as 2.49 mV/m. It is interesting that the wind field shows a better agreement with GITM model than the other empirical or theoretical models, and the GITM model can also give a good prediction for the ion velocity observed by us, which is consistent with the ISR observation at Jicamarca as well.
Indexed BySCI ; EI
Document Type期刊论文
Identifierhttp://ir.nssc.ac.cn/handle/122/4638
Collection空间科学部
Corresponding AuthorXie, LH (reprint author), Chinese Acad Sci, Ctr Space Sci & Appl Res, Beijing 100190, Peoples R China.
Recommended Citation
GB/T 7714
Xie LiangHai,Li Lei,Wang JingDong,et al. Determining wind field and electric field by a barium release experiment in the ionosphere[J]. SCIENCE CHINA-EARTH SCIENCES,2015,58(7):1210-1215.
APA Xie LiangHai,Li Lei,Wang JingDong,Tao Ran,&Xie, LH .(2015).Determining wind field and electric field by a barium release experiment in the ionosphere.SCIENCE CHINA-EARTH SCIENCES,58(7),1210-1215.
MLA Xie LiangHai,et al."Determining wind field and electric field by a barium release experiment in the ionosphere".SCIENCE CHINA-EARTH SCIENCES 58.7(2015):1210-1215.
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