空间科学学报2011,Vol.31Issue(5):596-601,6.
2009年7月22日日全食电离层效应观测
Observations of the Ionosphere Effects of the Solar Eclipse on 22 July 2009
摘要
Abstract
For the first time, Langfang Medium-Frequency (MF) radar was used to simultaneously observe the ionospheric effects due to the solar total eclipse on 22 July 2009, with three GPS/TEC receivers operated at Wuhan, Jiaxing and Langfang respectively. Results show that during the solar eelipse, the D layer electron densities at 78km level observed by the MF radar decreased by 67% and the altitude level of equivalent electron densities of 200em-3 uprised about 10km. The ionospheric Total Electron Content (TEC) observed by the GPS/TEC receivers in the above three sites respectively decreased about 1 TECU. Their minimum reductions of the D layer electron densities and TEC are synchronous with the solar eclipse maximum phase. After the solar eclipse, a Traveling Ionospheric Disturbance (TID) was revealed with a period of larger than 2 h in the GPS/TEC data.关键词
日食/电离层效应/中频雷达/电子密度/GPS/TECKey words
Solar eclipse/Ionosphere effect/MF radar/Electron density/GPS/TEC分类
天文与地球科学引用本文复制引用
胡雄,龚建村,吴小成,徐轻尘,马广林,涂翠,闫召爱,陈旭杏,肖存英,赵明亮..2009年7月22日日全食电离层效应观测[J].空间科学学报,2011,31(5):596-601,6.基金项目
国家自然科学基金项目(40774087)和国家航天领域高技术课题共同资助致谢武汉大学艾勇教授、张燕革博士等,中国科学院武汉物理与数学研究所张训械研究员、龚顺生研究员、程学武高工等为本次实验提供了帮助并进行了有益的讨论. ()