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Puerto Rico地区偶发E层临界频率特性统计分析

王栖溪 方涵先 牛俊 汪四成

王栖溪, 方涵先, 牛俊, 汪四成. Puerto Rico地区偶发E层临界频率特性统计分析[J]. 空间科学学报, 2016, 36(1): 18-24. doi: 10.11728/cjss2016.01.018
引用本文: 王栖溪, 方涵先, 牛俊, 汪四成. Puerto Rico地区偶发E层临界频率特性统计分析[J]. 空间科学学报, 2016, 36(1): 18-24. doi: 10.11728/cjss2016.01.018
WANG Xixi, FANG Hanxian, NIU Jun, WANG Sicheng. Statistics on the critical frequency of ionospheric sporadic E layer observed at Puerto Rico region[J]. Chinese Journal of Space Science, 2016, 36(1): 18-24. doi: 10.11728/cjss2016.01.018
Citation: WANG Xixi, FANG Hanxian, NIU Jun, WANG Sicheng. Statistics on the critical frequency of ionospheric sporadic E layer observed at Puerto Rico region[J]. Chinese Journal of Space Science, 2016, 36(1): 18-24. doi: 10.11728/cjss2016.01.018

Puerto Rico地区偶发E层临界频率特性统计分析

doi: 10.11728/cjss2016.01.018
基金项目: 国家自然科学基金项目 资助(40505005)
详细信息
    通讯作者:

    王栖溪,E-mail:wangxixi19920218@126.com

  • 中图分类号: P352

Statistics on the critical frequency of ionospheric sporadic E layer observed at Puerto Rico region

  • 摘要: 利用Puerto Rico站(18.5°N, 67.2°W) 1997—2013 年的Es临界频率数据, 对该地区Es特性进行了分析. 结果表明: 临界频率 f0Es 日均值具有一定的16天周期性变化特征, 其可能是大气行星 波引起的; f0Es 随地方时的变化基本上呈一个波峰波谷结构, 波谷 位于06:00LT左右, 波峰位于14:00LT左右, 同时存在午夜和日落后异常高 值现象, 其分别与午夜南向风场减弱和夜间电场变化有关; 通过分析不同强 度Es, 发现潮汐风造成较低强度Es发生率的地方时分布与中等和高强度Es 明 显不同. 这些现象的相关物理机制尚需进一步研究论证.

     

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出版历程
  • 收稿日期:  2015-04-03
  • 修回日期:  2015-10-12
  • 刊出日期:  2016-01-15

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