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武汉突发E层的季节变化及其与中层风的关系

朱品洁 滕陈轲敏 谷升阳 窦贤康 李国主 解海永

朱品洁, 滕陈轲敏, 谷升阳, 窦贤康, 李国主, 解海永. 武汉突发E层的季节变化及其与中层风的关系[J]. 空间科学学报, 2022, 42(3): 376-382. doi: 10.11728/cjss2022.03.210406043
引用本文: 朱品洁, 滕陈轲敏, 谷升阳, 窦贤康, 李国主, 解海永. 武汉突发E层的季节变化及其与中层风的关系[J]. 空间科学学报, 2022, 42(3): 376-382. doi: 10.11728/cjss2022.03.210406043
ZHU Pinjie, TENG Chenkemin, GU Shengyang, DOU Xiankang, LI Guozhu, XIE Haiyong. Seasonal Variation of the Sporadic E Layer over Wuhan and Its Dependence with Mesospheric Wind (in Chinese). Chinese Journal of Space Science, 2022, 42(3): 376-382. DOI: 10.11728/cjss2022.03.210406043
Citation: ZHU Pinjie, TENG Chenkemin, GU Shengyang, DOU Xiankang, LI Guozhu, XIE Haiyong. Seasonal Variation of the Sporadic E Layer over Wuhan and Its Dependence with Mesospheric Wind (in Chinese). Chinese Journal of Space Science, 2022, 42(3): 376-382. DOI: 10.11728/cjss2022.03.210406043

武汉突发E层的季节变化及其与中层风的关系

doi: 10.11728/cjss2022.03.210406043
基金项目: 国家自然科学基金项目资助(41874181,41831071)
详细信息
    作者简介:

    朱品洁:E-mail:zhupinjie11@163.com

    通讯作者:

    谷升阳,E-mail:gushengyang@whu.edu.cn

  • 中图分类号: P353

Seasonal Variation of the Sporadic E Layer over Wuhan and Its Dependence with Mesospheric Wind

  • 摘要: 通过对2018年武汉站(114.61°E,30.53°N)数字测高仪记录的数据统计分析,研究武汉地区突发E层的特征。研究发现:2018年武汉地区电离层突发E层的临界频率在夏季最高,在冬季有一个次增强现象,在春秋季较低;在正午前最大,在日落后出现小幅度提升,在日出前最低。利用指定动态全球大气气候扩展模型SD-WACCM-X模拟出2018年武汉上空90~140 km高度的平均风场,探讨突发E层与背景风之间的关系,揭示突发E层的形成机制。结果表明,半日潮汐分量可能诱导突发E层临界频率的半日变化,周日潮汐分量诱导突发E层临界频率的周日变化;突发E层的强度可能与纬向风场120 km高度处的风剪切有关。

     

  • 图  1  (a) 2018年Es层临界频率f0Es随月份和地方时的变化,(b) 12:00 LT时f0Es随月份的变化,(c) 6月f0Es随地方时的变化

    Figure  1.  (a) Variations of f0Es with month and LT, (b) variation of f0Es with month at 12:00 LT, (c) variation of f0Es with LT in June

    图  2  2018年Es层虚高h'Es随月份和地方时的变化

    Figure  2.  Variations of h'Es with month and LT in 2018

    图  3  (a) 2018年E层临界频率f0E随月份和地方时的变化,(b) 12:00 LT时f0E随月份的变化,(c) 6月f0E随地方时的变化

    Figure  3.  (a) Variations of f0E with month and local time in 2018, (b) variation of f0E with month at 12:00 LT, (c) variation of f0E with local time in June

    图  4  2018年纬向风场周日潮汐分量(a)和半日潮汐分量(b)随月份的变化

    Figure  4.  Variation of zonal wind diurnal (a) and semidiurnal (b) tides with month in 2018

    图  5  2018年12:00 LT时(a)纬向风场和(b)垂直风剪切随月份的变化

    Figure  5.  Variation of zonal wind (a) and the vertical shear (b) with month at 12:00 LT in 2018

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出版历程
  • 收稿日期:  2021-04-04
  • 录用日期:  2021-05-21
  • 修回日期:  2022-02-12
  • 网络出版日期:  2022-05-23

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