| 中国区域电离层垂测仪探测参量与COSMIC掩星反演结果比较研究 |
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| 引用本文： | 孙凌峰,赵必强,乐新安,毛田.中国区域电离层垂测仪探测参量与COSMIC掩星反演结果比较研究[J].地球物理学报,2014,57(11):3625-3632. |
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| 作者姓名： | 孙凌峰 赵必强 乐新安 毛田 |
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| 作者单位： | 1. 中国科学院地质与地球物理研究所, 北京 100029;2. 航天飞行动力学技术重点实验室, 北京 100094;3. COSMIC Program Office, University Corporation for Atmospheric Research, Boulder, CO, USA;4. 中国气象局国家卫星气象中心, 北京 100081 |
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| 基金项目： | 航天飞行动力学技术重点实验室2011年开放课题(2012afdl0016)资助. |
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| 摘 要： | 利用漠河站、左岭站、富克站垂测仪数据和COSMIC反演的电离层资料,分析比较了太阳活动高年两种探测手段获取的电离层特征参量(NmF2、hmF2)的相关性.结果表明,两种方式获取的电离层对应特征参量相关性较高,且NmF2的相关性好于hmF2,同时相关性与纬度和季节有关.在地磁中纬度地区对应参量相关性较好,而在地磁低纬度受北驼峰控制区域相关性降低;在电离层赤道异常区域,春秋季、夏季对应特征参量相关性好于冬季.造成冬季相关性低的可能原因是,在跨越赤道中性风作用下,冬季电离层赤道异常区电子浓度梯度较大,造成掩星反演误差增大,致使两种探测手段获取的电离层特征参量相关性降低.
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| 关 键 词： | COSMIC 垂测仪 临界频率 峰值高度 |
| 收稿时间： | 2013-12-17 |
Comparison between ionospheric character parameters retrieved from FORMOSAT3 measurement and ionosonde observation over China |
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| SUN Ling-Feng,ZHAO Bi-Qiang,YUE Xin-An,MAO Tian.Comparison between ionospheric character parameters retrieved from FORMOSAT3 measurement and ionosonde observation over China[J].Chinese Journal of Geophysics,2014,57(11):3625-3632. |
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| Authors: | SUN Ling-Feng ZHAO Bi-Qiang YUE Xin-An MAO Tian |
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| Institution: | 1. Institute of Geology and Geophysics, Chinese Academy of Sciences, Beijing 100029, China;2. Science and Technology on Aerospace Flight Dynamics Laboratory, Beijing 100094, China;3. COSMIC Program Office, University Corporation for Atmospheric Research, Boulder, CO, USA;4. National Satellite Meteorology Center, Beijing 100081, China |
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| Abstract: | This study aims to comparing the ionospheric character parameters (NmF2, hmF2) from Digisondes over China with data from the FORMOSAT-3/COSMIC satellites during 2012 (the solar maximum). Data from three Chinese Ionosonde stations located in Mohe (52.0°N, 122.5°E), Zuoling (31.0°N,114.5°E) and Fuke (19.4°N, 109.0°E) were used in the comparison. The results show that the correlation of the corresponding ionospheric parameters is pretty good and the NmF2 has a better correlation than hmF2 has, and the correlation coefficient changes with the latitude and season. The correlations of both NmF2 and hmF2 in middle geomagnetic latitudes are higher than those in equatorial ionization anomaly. The correlation coefficients in equatorial ionization anomaly in winter are lower than those in other seasons. The possible reason is that the electron density gradient during winter in the equatorial ionization anomaly is stronger than other seasons. |
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| Keywords: | COSMIC Ionosonde The peak electron density The peak height |
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