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利用掩星温度数据推算大气月平均纬向风场

杜晓勇 杜智涛 郭粤宁 符养

杜晓勇, 杜智涛, 郭粤宁, 符养. 利用掩星温度数据推算大气月平均纬向风场[J]. 空间科学学报, 2020, 40(6): 1030-1038. doi: 10.11728/cjss2020.06.1030
引用本文: 杜晓勇, 杜智涛, 郭粤宁, 符养. 利用掩星温度数据推算大气月平均纬向风场[J]. 空间科学学报, 2020, 40(6): 1030-1038. doi: 10.11728/cjss2020.06.1030
DU Xiaoyong, DU Zhitao, GUO Yuening, FU Yang. Research of Monthly Zonal Winds Derived from Radio Occultation Temperature Data[J]. Journal of Space Science, 2020, 40(6): 1030-1038. doi: 10.11728/cjss2020.06.1030
Citation: DU Xiaoyong, DU Zhitao, GUO Yuening, FU Yang. Research of Monthly Zonal Winds Derived from Radio Occultation Temperature Data[J]. Journal of Space Science, 2020, 40(6): 1030-1038. doi: 10.11728/cjss2020.06.1030

利用掩星温度数据推算大气月平均纬向风场

doi: 10.11728/cjss2020.06.1030
基金项目: 

国家自然科学基金项目资助(41805026)

详细信息
    作者简介:

    杜晓勇,E-mail:duxy@pku.edu.cn

  • 中图分类号: P352

Research of Monthly Zonal Winds Derived from Radio Occultation Temperature Data

  • 摘要: 为了弥补中高层大气风场探测数据的不足,对2007年COSMIC全球掩星在20~60km高度内的温度数据进行网格化插值,利用梯度风计算方法,计算得到20~60km高度内的月平均纬向风场,分别与ECMWF再分析数据和HWM07模式进行对比分析.结果表明,利用COSMIC温度数据计算得出的纬向风与ECMWF的纬向风十分接近,而与HWM07结果有一定差异,但总体变化趋势一致.与ECMWF再分析数据相比,利用COSMIC温度数据计算的月平均纬向风场平均偏差为-1.50~-0.08m·-1,标准差为1.50~11.95m·-1.与HWM07模式风场相比,利用COSMIC温度计算的月平均纬向风场平均偏差为-0.83~1.21m·-1,标准差为3.69~11.14m·-1.

     

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出版历程
  • 收稿日期:  2020-05-18
  • 修回日期:  2020-08-17
  • 刊出日期:  2020-11-15

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