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《Journal of the Meteorological Sciences》 2016-05
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Analysis on aerosol scale height based on aircraft observation and MODIS products over North China

WAN Heyue;DONG Xiaobo;LIU Siyao;PU Jiangping;Unit No.91431 of PLA;Institute of Meteorology and Oceanography,PLA University of Science and Technology;Weather Modification Office of Hebei Province;  
In order to study the aerosol distribution of North China,the aerosol scale height over Shijiazhuang area was analyzed based on MODIS and the aircraft aerosol observation data during 2012 to2014. Results show that:( 1) the comparison with the aircraft observation data indicated that the MODIS AOD and the conventional visibility data can be used to calculate the aerosol scale height;( 2) the aerosol scale heights in North China are generally greater in spring and summer than in autumn and winter.Aerosol scale heights of cities located in plain areas are lower,while cities located in Northwest mountainous regions are higher;( 3) it is feasible to obtain aerosol vertical distribution only through the ground data and satellite product but without aircraft observation,especially more credible in middle troposphere than in lower troposphere;( 4) through calculating the optical thickness by observational data and fitting data,and then analyzing the error,it is proved that the exponential decline hypothesis of aerosol number density can be applied to calculate optical thickness.
【Fund】: 国家重点基础研究发展计划(973计划)项目(2010CD950804)
【CateGory Index】: X513
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