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激光雷达观测的武汉上空对流边界层高度与夹卷层厚度

王鹏辉 易帆

王鹏辉, 易帆. 激光雷达观测的武汉上空对流边界层高度与夹卷层厚度[J]. 空间科学学报, 2019, 39(2): 191-199. doi: 10.11728/cjss2019.02.191
引用本文: 王鹏辉, 易帆. 激光雷达观测的武汉上空对流边界层高度与夹卷层厚度[J]. 空间科学学报, 2019, 39(2): 191-199. doi: 10.11728/cjss2019.02.191
WANG Penghui, YI Fan. Convective Boundary Layer and Entrainment Zone Thickness over Wuhan (30.5°N, 114.4°E) Observed by Lidar[J]. Chinese Journal of Space Science, 2019, 39(2): 191-199. doi: 10.11728/cjss2019.02.191
Citation: WANG Penghui, YI Fan. Convective Boundary Layer and Entrainment Zone Thickness over Wuhan (30.5°N, 114.4°E) Observed by Lidar[J]. Chinese Journal of Space Science, 2019, 39(2): 191-199. doi: 10.11728/cjss2019.02.191

激光雷达观测的武汉上空对流边界层高度与夹卷层厚度

doi: 10.11728/cjss2019.02.191
详细信息
    作者简介:

    王鹏辉,E-mail:wph@whu.edu.cn

  • 中图分类号: P413

Convective Boundary Layer and Entrainment Zone Thickness over Wuhan (30.5°N, 114.4°E) Observed by Lidar

  • 摘要: 基于地基偏振激光雷达2011年1月至2017年12月对武汉中心城区的观测资料,研究了超大城市对流边界层高度与夹卷层厚度的变化特征.采用Fernald方法进行数据反演获得了1min时间分辨率、30m空间分辨率的后散比剖面,通过方差法确定了对流边界层高度和夹卷层厚度.结果表明,武汉上空对流边界层高度和夹卷层厚度具有明显的季节变化特征.对流边界层顶的均值最大处在春季为1.14km,夏季为1.25km,秋季为1.06km,冬季为0.74km;夹卷层厚度均值最大处在春季为0.40km,夏季为0.51km,秋季为0.34km,冬季为0.26km.这些特征与武汉地区地表温度的周年变化特征具有很强的相关性.

     

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出版历程
  • 收稿日期:  2018-09-25
  • 修回日期:  2019-01-11
  • 刊出日期:  2019-03-15

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