| 2003年1 0月29～31日太阳耀斑对中国大陆电离层扰动的GPS监测与分析 |
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| 引用本文： | 乔学军,郭利民,杜瑞林,王琪,吴云.2003年1 0月29～31日太阳耀斑对中国大陆电离层扰动的GPS监测与分析[J].大地测量与地球动力学,2005,25(2):41-45. |
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| 作者姓名： | 乔学军 郭利民 杜瑞林 王琪 吴云 |
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| 作者单位： | 中国地震局地球物理研究所,北京,100081;中国地震局地震研究所,武汉,430071;地壳运动与地球观测实验室,武汉,430071;中国地震局地震研究所,武汉,430071地壳运动与地球观测实验室,武汉,430071 |
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| 基金项目： | 国家高技术研究发展计划(863计划) |
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| 摘 要： | 利用“中国地壳运动观测网络”工程中28个GPS基准站和中国周边地区10个IGS站的GPS观测数据，研究了2003年10月29日～31日期间，X10级太阳耀斑引起的中国大陆电离层总电子含量(TEC)的变化特征，分析了本次太阳磁暴对我国不同地区电离层的影响。结果表明。太阳耀斑对中国大陆电离层的影响从29日中午10～1l时开始，其影响强度与纬度有关，纬度越低。影响越大。且自东向西移动。TEC最大值达到120TEC。峰值比正常情况下高40多个TECU；且下午电离层对耀斑的响应强烈。
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| 关 键 词： | 电子总含量(TEC) 电离层 GPS监测 太阳耀斑 扰动 |
| 文章编号： | 1671-5942(2005)02-0041-05 |
| 修稿时间： | 2005年3月10日 |
MONITOR SOLAR FLARE DURING OCTOBER 29-31,2003 AND ANALYSIS OF ITS DISTURBANCES TO IONOSPHERE OVER CHINA BY GPS MEASUREMENTS |
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| Qiao Xuejun,Guo Limin,Du Ruilin,Wang Qi,Wu Yun.MONITOR SOLAR FLARE DURING OCTOBER 29-31,2003 AND ANALYSIS OF ITS DISTURBANCES TO IONOSPHERE OVER CHINA BY GPS MEASUREMENTS[J].Journal of Geodesy and Geodynamics,2005,25(2):41-45. |
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| Authors: | Qiao Xuejun Guo Limin Du Ruilin Wang Qi Wu Yun |
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| Abstract: | The Total Electron Content(TEC) over China continent and its change characteristics induced by a solar flare of class X10 during October 29-31,2003 were derived and analyzed from the GPS data of 28 fiducial stations of Crustal Movement Observation Network of China (CMONOC) and 10 IGS sites nearby China. The disturbances of this event to various regions of China were estimated and it indicates that: a) the effects on China mainland began in 10-11am of October 29; b) the effects were stronger in lower latitude area and moved from east to west; c) the maximum TEC is 120 TECU which is 40 TECU higher than that in normal situation and d) the response of ionospheric layer to solar flare is stronger at afternoon. |
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| Keywords: | Total Electron Content(TEC) ionosphere GPS monitoring solar flare disturbance |
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