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《Journal of Zhejiang University(Engineering Science)》 2016-12
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Retrieval method of GOCI\AOT using two stream approximate algorithm and its application

YAO Ling-ling;ZHANG Xiao-yu;JIANG Bin-bin;Department of Earth Science,Research Center for Air Pollution and Health,Zhejiang University;  
Aerosol optical thickness(AOT)of geostationary ocean color imager(GOCI)was retrieved based on the two-stream approximate algorithm considering aerosol refractive index and earth curvature and other causations,aiming at the lackage of 2.1μm short wave infrared band and the high solar zenith angle of GOCI.As specified,the retrieval precision of GOCI\AOT gets improved after parameters recalculation.According to the widely used groundbase haze threshold of AOT(440nm)1.00,GOCI\AOT(555nm)0.81 is proposed as the haze determination threshold based on the linear interpolation method.Moderate resolution imaging spectroradiometer(MODIS)is an operational polar orbiting satellite,GOCI\AOT is slightly higher than MODIS\AOT with R2 of 0.82.The haze event from November 27 to December 2,2015 was selected as one case and MODIS satellite was combined to realize real-time dynamic monitoring of haze events over North China,which indicates that the multi satellites remote sensing monitoring method can reflect the dynamic process of haze event effectively.
【Fund】: 国家重点研发计划资助项目(2016YFC1400901);; 浙江省教育厅资助项目(Y201430393);; 浙江省环保科技计划资助项目(2013A021);; 浙江大学空气污染与健康研究中心资助项目
【CateGory Index】: P715.6
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