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晴天大气电场时空变化特征分析

高志旭 陈涛 李文 刘刚 李仁康

高志旭, 陈涛, 李文, 刘刚, 李仁康. 晴天大气电场时空变化特征分析[J]. 空间科学学报, 2022, 42(3): 403-413. doi: 10.11728/cjss2022.03.210531066
引用本文: 高志旭, 陈涛, 李文, 刘刚, 李仁康. 晴天大气电场时空变化特征分析[J]. 空间科学学报, 2022, 42(3): 403-413. doi: 10.11728/cjss2022.03.210531066
GAO Zhixu, CHEN Tao, LI Wen, LIU Gang, LI Renkang. Analysis of the Spatial and Temporal Variation Characteristics of the Atmospheric Electric Field on Fair-weather (in Chinese). Chinese Journal of Space Science, 2022, 42(3): 403-413. DOI: 10.11728/cjss2022.03.210531066
Citation: GAO Zhixu, CHEN Tao, LI Wen, LIU Gang, LI Renkang. Analysis of the Spatial and Temporal Variation Characteristics of the Atmospheric Electric Field on Fair-weather (in Chinese). Chinese Journal of Space Science, 2022, 42(3): 403-413. DOI: 10.11728/cjss2022.03.210531066

晴天大气电场时空变化特征分析

doi: 10.11728/cjss2022.03.210531066
基金项目: 国家自然科学基金项目(41874175,41931073),国家重大科技基础设施子午工程项目,空间中心攀登计划主任基金项目(E0PD41A11S),中国科学院战略性先导科技专项(XDA17010301,XDA15052500,XDA15350201),云南省基础研究青年项目(2019FD111),中国科学院国家空间科学中心五个重点培育方向项目(Y92111BA8S),中国科学院大学生创新实践训练计划项目(20204001508)和云南师范大学大学生创新创业训练计划项目(202110681009)共同资助
详细信息
    作者简介:

    李仁康:Email:rkli@ynnu.edu.cn

  • 中图分类号: P41

Analysis of the Spatial and Temporal Variation Characteristics of the Atmospheric Electric Field on Fair-weather

  • 摘要: 利用子午工程5个大气电场观测站点近10年的近地面晴天大气电场观测数据,在年变化、季节变化、日变化三种不同时间尺度上进行了对比分析。结果表明:不同纬度站点的日平均晴天大气电场峰谷类型不同,且部分站点的波峰出现了逐年左移或右移的趋势;在电场幅值变化方面,位于中低纬度地区的站点呈现出逐年减小的变化特征,而位于中高纬度的站点呈现出逐年增加的变化趋势,且这种年变化均是线性的;多元回归分析表明,最大波峰出现时间与地理经度呈负相关,而与地理纬度呈正相关;各站点在近10年中均未出现明显的纬度效应;冬季的晴天大气电场日平均值水平较高,夏季较低,且各季节的日平均晴天大气电场最小值及最大值均近似呈正态分布;最小值及最大值在年度和季节两个时间尺度上的变化规律是基本一致的。这些研究结果揭示了晴天大气电场在不同时间尺度上的变化特征。

     

  • 图  1  子午工程大气电场台站地理分布

    Figure  1.  Geographical distribution of atmospheric electric field stations in the Meridian Project

    图  2  黑龙江漠河站2020年晴天大气电场日平均曲线

    Figure  2.  Daily average curve of the fair-weather atmospheric electric field in 2020 at Mohe Station in Heilongjiang Province

    图  3  (a)~(e) 各台站2011-2020年晴天大气电场日平均曲线,(f) 各台站2011-2020年日平均晴天大气电场最小值–最大值拟合

    Figure  3.  (a) ~ (e) Daily average curve of the fair-weather atmospheric electric field at all stations from 2011 to 2020. (f) Min-max fitting of daily average fair-weather atmospheric electric field from 2011 to 2020 at all stations

    图  4  各站点区域晴天AOD值年变化趋势

    Figure  4.  Annual trends in fair-weather AOD values at site area

    图  5  多元线性回归结果

    Figure  5.  Results of multiple linear regression

    图  6  各站点晴天大气电场日平均值年变化

    Figure  6.  Annual variation of daily mean value of fair-weather atmospheric electric field at each station

    图  7  各季节晴天大气电场日平均值箱线

    Figure  7.  Boxed plot of the daily mean fair-weather atmospheric electric field in each season

    图  8  各季节日平均晴天大气电场最小值–最大值拟合及分布

    Figure  8.  Minimum-maximum atmospheric electric field fitting and distribution of daily average fair-weather in each season

    表  1  各台站2011—2020年晴天大气电场日平均曲线统计结果

    Table  1.   Statistical results of the average daily curve of the fair-weather atmospheric electric field at each station from 2011 to 2020

    站点地理经度/(°)E地理纬度/(°)N主要峰谷类型最大波峰平均出现时间(UT)
    广州肇庆站113.4423.01双峰双谷09: 44
    成都郫县站103.8930.9三峰三谷20: 37
    武汉九峰站114.4835单峰单谷14: 15
    长春农安站124.9644.08单峰单谷08: 33
    黑龙江漠河站122.3753.5单峰单谷15: 37
    下载: 导出CSV
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  • 收稿日期:  2021-05-31
  • 录用日期:  2021-10-29
  • 修回日期:  2022-01-22
  • 网络出版日期:  2022-05-23

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