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Observation of Short-Period Ionospheric Disturbances Using a Portable Digital Ionosonde at Sanya
Lan, Jiaping1,2,3; Ning, Baiqi1,2,4; Li, Guozhu1,2,4; Zhu, Zhengping3; Hu, Lianhuan1,4; Sun, Wenjie1,4
2018-12-01
发表期刊RADIO SCIENCE
ISSN0048-6604
卷号53期号:12页码:1521-1532
摘要A number of ionosondes have been operated in China to detect ionospheric disturbances for many years. These ionosondes, however, are not very suitable for the short-period (<15 min) disturbances due to their poor time resolutions (>5 min). During recent years, the Institute of Geology and Geophysics, Chinese Academy of Sciences, together with the South Central University for Nationalities has been developing a portable digital ionosonde (PDI) equipped with the capability to detect and characterize small-scale/short-period ionospheric disturbances and to be quickly assembled and set up at temporary field stations for low-latitude campaign coordinated observations. The PDI uses a set of technologies (e.g., code multiplexing and antenna/transmitter matching) that allow it to obtain quality Doppler ionograms at a good time resolution with small transmitting antennas. A preliminary analysis of observations by the PDI at Sanya (18.3 degrees N, 109.6 degrees E) shows the presence of ionospheric disturbances with periods ranging between several and tens of minutes. Interestingly, the disturbances (with different periods) were found to simultaneously occur at different F region altitudes, for example, with periods of similar to 5 and 20 min below and above similar to 180 km, respectively. The absence of shorter-period disturbance at higher altitude is consistent with acoustic gravity waves through the region with intrinsic periods above the Brunt-Vaisala period. The short-period disturbances observed in F region bottomside are not evident in total electron content. The results demonstrate the capability of PDI to detect ionospheric disturbances with temporal scales down to a few minutes in routine ionogram mode. Future prospects of PDI are outlined.
DOI10.1029/2018RS006699
资助者National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China
关键词[WOS]ACOUSTIC-GRAVITY WAVES ; TOTAL ELECTRON-CONTENT ; EQUATORIAL SPREAD F ; GPS OBSERVATIONS ; IRREGULARITIES ; NETWORK
语种英语
资助项目National Natural Science Foundation of China[41727803] ; National Natural Science Foundation of China[41574149] ; National Natural Science Foundation of China[41474135] ; National Natural Science Foundation of China[41621063]
资助者National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China
WOS研究方向Astronomy & Astrophysics ; Geochemistry & Geophysics ; Meteorology & Atmospheric Sciences ; Remote Sensing ; Telecommunications
WOS类目Astronomy & Astrophysics ; Geochemistry & Geophysics ; Meteorology & Atmospheric Sciences ; Remote Sensing ; Telecommunications
WOS记录号WOS:000455261600006
出版者AMER GEOPHYSICAL UNION
引用统计
文献类型期刊论文
条目标识符http://ir.iggcas.ac.cn/handle/132A11/90177
专题地球与行星物理院重点实验室
通讯作者Li, Guozhu
作者单位1.Chinese Acad Sci, Inst Geol & Geophys, Key Lab Earth & Planetary Phys, Beijing, Peoples R China
2.Univ Chinese Acad Sci, Coll Earth & Planetary Sci, Beijing, Peoples R China
3.South Cent Univ Nationalities, Coll Elect & Informat Engn, Wuhan, Hubei, Peoples R China
4.Chinese Acad Sci, Inst Geol & Geophys, Beijing Natl Observ Space Environm, Beijing, Peoples R China
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GB/T 7714
Lan, Jiaping,Ning, Baiqi,Li, Guozhu,et al. Observation of Short-Period Ionospheric Disturbances Using a Portable Digital Ionosonde at Sanya[J]. RADIO SCIENCE,2018,53(12):1521-1532.
APA Lan, Jiaping,Ning, Baiqi,Li, Guozhu,Zhu, Zhengping,Hu, Lianhuan,&Sun, Wenjie.(2018).Observation of Short-Period Ionospheric Disturbances Using a Portable Digital Ionosonde at Sanya.RADIO SCIENCE,53(12),1521-1532.
MLA Lan, Jiaping,et al."Observation of Short-Period Ionospheric Disturbances Using a Portable Digital Ionosonde at Sanya".RADIO SCIENCE 53.12(2018):1521-1532.
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