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Remote Sensing Technology and Application  2012, Vol. 27 Issue (2): 231-236    DOI: 10.11873/j.issn.1004-0323.2012.2.231
    
Determination of Cloud Vertical Structure and Analysis of Its Distribution based on RS92 Radiosonde Data
Zhang Riwei1,Yan Wei1,Han Ding1,Yang Shuchen1,2
(1.Institute of Meteorology,PLA University of Science and Technology,Nanjing 211101,China;2.No.91876 Army of PLA,Qinhuangdao 066203,China)
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Abstract  

Based on the being method of cloud vertical structure determination,combined with high-vertical-resolution radiosonde data,we modify the method of relative humidity threshold.And we determine the cloud vertical structure using the RS92 radiosonde data in De Bilt region in 2007,and analyze the occurrence frequency and the vertical distribution characteristic of cloud.The result shows that it is feasible to analyze the high-resolution radiosonde data of cloud vertical structure using the improved relative humidity threshold method.There are mainly single-layered and two-layered cloud in this region,and the occurrence frequency of signal-layered cloud shows the characteristic of “higher in summer and lower in winter”,the double-layered cloud is the opposite.The occurrence frequency of the mean cloud base height,cloud top height,cloud thickness and the highest cloud top height for all cloud increases with the height.

Key words:         RS92 radiosonde      Relative humidity      Cloud vertical structure     
Received:  15 July 2011      Published:  23 January 2013
P 407  
  TP 79  
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Cite this article: 

Zhang Riwei,Yan Wei,Han Ding,Yang Shuchen. Determination of Cloud Vertical Structure and Analysis of Its Distribution based on RS92 Radiosonde Data. Remote Sensing Technology and Application, 2012, 27(2): 231-236.

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http://www.rsta.ac.cn/EN/10.11873/j.issn.1004-0323.2012.2.231     OR     http://www.rsta.ac.cn/EN/Y2012/V27/I2/231

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