Observations of the low-latitude solar eclipse on 8 April 2005 by CHAMP

Observations of the low-latitude solar eclipse on 8 April 2005 by CHAMP
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CHAMP 于 2005 年 4 月 8 日对低纬度日食的观测

DOI:
10.1029/2006ja012168
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发表时间:
2007
影响因子:
--
通讯作者:
M. Rother
M. Rother
中科院分区:
--
文献类型:
--
作者:
Tomás;H. Lühr;M. Förster;S. Rentz;M. Rother

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对 2005 年 4 月 8 日日食期间挑战小型卫星有效载荷 (CHAMP) 卫星获得的电离层和热层参数测量结果进行了分析。我们分析了电子密度和温度,以及热层质量密度和中性风速。由于日食的位置靠近赤道,因此还包括对赤道电喷射的研究。在最近接近期间,CHAMP 通过了 30% 遮光度的区域。可以观察到 F2 层高度电离层的显着变化。赤道处的等离子喷泉强烈增强,类似于日落后的情况。热层质量密度和纬向风没有显示出与日食相关的影响。赤道电射流强度降低近40%。这大约是 CHAMP 足迹处 E 区电子耗尽预期量的两倍。
Measurements of ionospheric and thermospheric parameters obtained by the Challenging Minisatellite Payload (CHAMP) satellite were analyzed for the time period of the solar eclipse on 8 April 2005. We have analyzed the electron density and temperature, as well as the thermospheric mass density and the neutral wind velocity. Because of the location of the eclipse close to the equator, a study of the equatorial electrojet is also included. During closest approach, CHAMP passed the region of 30% obscuration. Significant modifications of the ionosphere at F2 layer altitudes could be observed. The plasma fountain at the equator is strongly enhanced, resembling post‐sunset conditions. The thermospheric mass density and zonal wind show no eclipse‐related effect. The equatorial electrojet strength is reduced by almost 40%. This is about twice the amount expected from E region electron depletion at the CHAMP footprint.
1969 年 9 月 11 日日食期间在秘鲁吉卡马卡获得的数据综合
DOI: --
发表时间: 1972
期刊:
影响因子: --
作者:
D. L. Sterling;W. B. Hanson;R. Woodman
通讯作者: R. Woodman
DOI: 10.1029/2005ja011415
发表时间: 2006-07
影响因子: --
作者:
Huixin Liu;H. Lühr;S. Watanabe;W. Köhler;V. Henize;P. Visser
通讯作者: Huixin Liu;H. Lühr;S. Watanabe;W. Köhler;V. Henize;P. Visser