| 长春净月潭遥感试验场大气光学特性研究 |
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| 引用本文： | 刘锦丽,李放,吕达仁.长春净月潭遥感试验场大气光学特性研究[J].遥感学报,1994(3). |
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| 作者姓名： | 刘锦丽 李放 吕达仁 |
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| 作者单位： | 中国科学院大气物理研究所 |
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| 摘 要： | 中国科学院长春净月潭遥感试验场是对国内外开放的进行遥感实验研究的场地。为了高质量地进行对地定量遥感，必须了解该场上空大气气溶胶的光学特性，以便进行有效的大气订正。另一方面大气气溶胶本身也是遥感的对象。为提供这一背景性信息，本工作利用试验场所装备的太阳直接辐照光谱仪在１９９０年（无火山活动期）与１９９１年（强火山爆发期）两年进行的观测，经分析整理和反演推导，获得该站上空气溶胶引起的光学厚度（消光）谱和由此反演得到的气溶胶粒子谱分布。由于两年分别代表火山平静和活动期的情况，所得结果将为该地区遥感大气订正提供依据，同时可供其它北半球中纬地区参考。
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| 关 键 词： | 气溶胶，大气消光，大气订正 |
Investigating of Atmospheric Optical Characteristics over Changchun Jingyuetan Remote Sensing Test Site |
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| Liu Jinli,Li Fang,Lu Daren.Investigating of Atmospheric Optical Characteristics over Changchun Jingyuetan Remote Sensing Test Site[J].Journal of Remote Sensing,1994(3). |
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| Authors: | Liu Jinli Li Fang Lu Daren |
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| Abstract: | Changchun Jingyuetan Remote Sensing Test Site of Chinese Academy ofSciences is an opening experiment research site of remote sensing.For doing highquality space-borne quantitative remote sensing,we have to do atmospheric correc-tion. For doing this,the understanding of atmospheric optical characteristic over thesite is necessary.In this paper,the spectral extinction and the size distribution ofaerosol are derived and retreived from the data of solar direct spectral radiance ob-servation in 1990(volcanic quiet period)and 1991(volcanic active period).Owingto these two years related to the different volcanic activities(quiet and active),the results would provide a foundamental basis of atmospheric correction of remotesensing over that area,also they would be representative of the mid-latitude regionof Northern hemisphere. |
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| Keywords: | Aerosols Atmospheric extinction Atmospheric correction |
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