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北纬30°中层顶区域钠与铁原子层的结构和年际变化

胡云杰 易帆

胡云杰, 易帆. 北纬30°中层顶区域钠与铁原子层的结构和年际变化[J]. 空间科学学报, 2021, 41(2): 279-285. doi: 10.11728/cjss2021.02.279
引用本文: 胡云杰, 易帆. 北纬30°中层顶区域钠与铁原子层的结构和年际变化[J]. 空间科学学报, 2021, 41(2): 279-285. doi: 10.11728/cjss2021.02.279
HU Yunjie, YI Fan. Structures and Interannual Variations of the Nocturnal Mesospheric Na and Fe Layers at 30°Normalsize[J]. Journal of Space Science, 2021, 41(2): 279-285. doi: 10.11728/cjss2021.02.279
Citation: HU Yunjie, YI Fan. Structures and Interannual Variations of the Nocturnal Mesospheric Na and Fe Layers at 30°Normalsize[J]. Journal of Space Science, 2021, 41(2): 279-285. doi: 10.11728/cjss2021.02.279

北纬30°中层顶区域钠与铁原子层的结构和年际变化

doi: 10.11728/cjss2021.02.279
基金项目: 

国家自然科学基金项目资助(41521063)

详细信息
    作者简介:

    胡云杰,E-mail:15071262749@163.com

  • 中图分类号: P356

Structures and Interannual Variations of the Nocturnal Mesospheric Na and Fe Layers at 30°Normalsize

  • 摘要: 基于武汉大学Na和Fe激光雷达在2004年1月至2011年12月期间的观测数据,得到武汉上空中层顶区域Na和Fe原子层的平均特性、夜间变化和季节变化特征.Na层平均质心高度为91.36km,平均RMS(均方根)宽度为4.64km.Fe层平均质心高度为88.99km,平均RMS宽度为4.57km.在充分考虑金属层夜间变化和季节变化对数据样本影响的基础上,获取了Na层和Fe层结构在此期间的年际变化特征.对Na层和Fe层质心高度及RMS宽度的年际变化进行线性拟合,发现Na层和Fe层在此期间均相对稳定,Na层质心高度在近8年间仅有约58m的下降,变化率为-7.91m·a-1,Na层RMS宽度减小约151m,变化率为-20.60m·a-1.同期,Fe层的质心高度下降了约230m,变化率为-31.36m·a-1,Fe层RMS宽度则有所增大,变化率为21.01m·a-1.

     

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出版历程
  • 收稿日期:  2020-03-31
  • 修回日期:  2021-01-18
  • 刊出日期:  2021-03-15

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