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河南省非降水云中液态水的卫星微波反演试验研究

彭亮 姚展予

彭亮, 姚展予. 河南省非降水云中液态水的卫星微波反演试验研究. 应用气象学报, 2008, 19(5): 539-546..
引用本文: 彭亮, 姚展予. 河南省非降水云中液态水的卫星微波反演试验研究. 应用气象学报, 2008, 19(5): 539-546.
Peng Liang, Yao Zhanyu. Satellite microwave retrieval test for non-precipitating cloud liquid water in Henan area. J Appl Meteor Sci, 2008, 19(5): 539-546.
Citation: Peng Liang, Yao Zhanyu. Satellite microwave retrieval test for non-precipitating cloud liquid water in Henan area. J Appl Meteor Sci, 2008, 19(5): 539-546.

河南省非降水云中液态水的卫星微波反演试验研究

资助项目: 

国家自然科学基金项目 40375001

国家科技支撑计划课题 2006BAC12B02

Satellite Microwave Retrieval Test for Non-precipitating Cloud Liquid Water in Henan Area

  • 摘要: 云中液态水分布对全球气候和局地天气变化有重要影响, 是判别人工影响天气作业潜力区的重要依据。利用TRMM卫星微波成像仪 (TMI) 85.5 GHz通道垂直极化亮温资料与NCEP再分析资料, 结合VDISORT模式采用逐步逼近方法反演了河南地区地表比辐射率; 再利用TRMM/TMI 85.5 GHz通道垂直极化亮温资料、TRMM/VIRS红外辐射资料及NCEP再分析资料, 结合VDISORT模式采用迭代的方法反演了河南地区云中液态水的垂直积分总含量。与红外卫星云图、TRMM卫星2A12产品及NCEP资料对比分析表明:该研究提出的反演陆地上空非降水云中液态水方法是可行的, 且对云中液态水垂直积分总含量水平分布的反演结果较对比产品结果更好。
  • 图  1  地表比辐射率计算结果

    Fig. 1  The calculated emissivity

    图  2  2005年3月21日云中液态水反演结果与其他资料对比分析图

    (a)03:00云中液态水垂直积分总含量水平分布, (b)03:00 TRMM/VIRS红外云图, (c)03:00 TRMM 2A12产品云中液态水垂直积分总含量, (d)02:00 NCEP再分析资料云中液态水垂直积分总含量

    Fig. 2  Comparative analysis between retrieved cloud liquid water content and other data on March 21, 2005

    (a) the retrieved cloud liquid water at 03:00, (b) infrared cloud picture at 03:00, (c) the cloud liquid water content of TRMM 2A12 at 03:00, (d) the cloud liquid water content of NCEP reanalysis at 02:00

    图  3  模拟不同云底高度卫星接收85.5 GHz亮温随云中液态水垂直积分总含量

    Fig. 3  Changes of bright temperature of 85.5 GHz from different cloud bottom height with cloud liquid water content

    图  4  NCEP再分析资料与探空资料对比图

    (a)2005年3月6日温度对比, (b)2005年3月6日湿度对比, (c)2005年3月21日温度对比, (d)2005年3月21日湿度对比

    Fig. 4  Comparative analysis between NCEP reanalysis and sounding data

    (a) temperature on March 6, 2005, (b) humidity on March 6, 2005, (c) temperature on March 21, 2005, (d) humidity on March 21, 2005

    表  1  地表微波比辐射率 (θ=0°)[21-22]

    Table  1  Microwave surface emissivity (θ=0°)[21-22]

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出版历程
  • 收稿日期:  2007-07-02
  • 修回日期:  2008-03-26
  • 刊出日期:  2008-10-31

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