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Alternative TitleAnalysis and Results from ISR Observations of Lower Ionosphere
马欣; 陈罡; 钟鼎坤; 赵正予
Source Publication空间科学学报
Keyword低电离层 非相干雷达 等离子体 潮汐 声重波
Other AbstractThe D and E regions lie in the lower ionosphere region of 60~110 km height. This region is influenced by solar radiation, cosmic noise radiation, atmospheric electrodynamics and many factors, and there exists a variety of incredible variation characteristics. Even in the magnetically quiet day, atmospheric electrodynamics can make a significant effect on this region except solar radiation. In the D region, there exists radio waves strong absorption, which can influence the transmission of high frequency radio waves. Electron and ion density can be obtained from the Incoherent Scatter Radar (ISR) Arecibo, located at Puerto Rico. ISR data can be used to study the movement characteristics of the lower ionosphere in mid-latitude, and get the electron density curves changing with time and height, which present obvious diurnal changing phenomenon. The spectrum of the data is analyzed to probe diurnal effects of electron density changes. Besides the electron density height profiles have been drawn, and observe obvious plasma descending from the base of F-layer to E region. The layer structure characteristics of the lower ionosphere and electron density changing show that there exists different degree of disturbance. By analyzing the influencing factors it is concluded that the atmospheric tides and the acoustic gravity waves can cause disturbance to lower ionosphere, which is coupled with the atmosphere in certain degree.
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Document Type期刊论文
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GB/T 7714
马欣,陈罡,钟鼎坤,等. 非相干雷达探测低电离层的结果分析[J]. 空间科学学报,2015,35(4):438-444.
APA 马欣,陈罡,钟鼎坤,&赵正予.(2015).非相干雷达探测低电离层的结果分析.空间科学学报,35(4),438-444.
MLA 马欣,et al."非相干雷达探测低电离层的结果分析".空间科学学报 35.4(2015):438-444.
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