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IRI-2007预测TEC在广州地区的适用性分析

蔡超军 黄江 邓柏昌 徐杰 黄林峰 全宏俊

蔡超军, 黄江, 邓柏昌, 徐杰, 黄林峰, 全宏俊. IRI-2007预测TEC在广州地区的适用性分析[J]. 空间科学学报, 2013, 33(3): 277-285. doi: 10.11728/cjss2013.03.277
引用本文: 蔡超军, 黄江, 邓柏昌, 徐杰, 黄林峰, 全宏俊. IRI-2007预测TEC在广州地区的适用性分析[J]. 空间科学学报, 2013, 33(3): 277-285. doi: 10.11728/cjss2013.03.277
Cai Chaojun, Huang Jiang, Deng Baichang, Xu Jie, Huang Linfeng, Quan Hongjun. Applicability analysis of IRI-2007 in predicting TEC over Guangzhou region[J]. Chinese Journal of Space Science, 2013, 33(3): 277-285. doi: 10.11728/cjss2013.03.277
Citation: Cai Chaojun, Huang Jiang, Deng Baichang, Xu Jie, Huang Linfeng, Quan Hongjun. Applicability analysis of IRI-2007 in predicting TEC over Guangzhou region[J]. Chinese Journal of Space Science, 2013, 33(3): 277-285. doi: 10.11728/cjss2013.03.277

IRI-2007预测TEC在广州地区的适用性分析

doi: 10.11728/cjss2013.03.277
基金项目: 国家自然科学基金项目(40974093)和国家高技术研 究发展计划项目(2012AA121002)共同资助
详细信息
  • 中图分类号: P353

Applicability analysis of IRI-2007 in predicting TEC over Guangzhou region

  • 摘要: 利用广州站(23.2°N, 113.3°E) GPS双频接收机监测的电离层TEC数据和IRI-2007模型不同电离层输入参数计算得到的TEC预测值, 对比分析了太阳活动低年(2008年)广州地区TEC的变化特征. 结果表明, TEC观测值周日变化在16:00LT左右达到最大值, 而IRI-TEC最大值出现时间较GPS-TEC提前1h左右. TEC季节变化在春秋分较高, 两至季节较低, 表现出明显的半年特性和季节依赖性, 并出现冬季异常现象. IRI-TEC与GPS-TEC在白天具有较好的一致性, 夜间偏差较大. 不同电离层输入参数得到的TEC预测值也相差较大, 选用顶部电子密度参数NeQuick、底部厚度参数B0 Table并用URSI系数计算F2层峰值参数时, 能较好地反映TEC观测值的变化特征. 在对磁暴的响应上, 预测值无明显变化, 观测值则有比较明显的表现. 通过对比, 初步分析了利用IRI-2007模型预测TEC在广州地区的适用性, 并给出了合理的参数选择方案.

     

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出版历程
  • 收稿日期:  2012-04-24
  • 修回日期:  2012-10-16
  • 刊出日期:  2013-05-15

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