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应用暗目标法从PARASOL标量数据反演陆地气溶胶 被引量：2

Aerosol Retrieval over Land Surface from Intensity Data of PARASOL
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摘要 PARASOL传感器不仅能够进行偏振观测,而且能够获得标量观测数据。针对PARASOL的传感器特征,在地面典型地物光谱数据分析的基础上,确定了暗目标的识别方法以及地气分离方法,获得了针对PARASOL标量数据的暗目标法反演陆地气溶胶的算法。利用2006年夏季AERONET北京站的地面数据验证了本算法,结果表明,本算法获得的结果与地面观测结果有较好的相关性(R=0.86),但在气溶胶光学厚度较小时误差较大。 PARASOL can be used in not only polarized measurements, but also intensity measurements. The intensity reflectance of typical land surfaces in PARASOL channels was analyzed, and dark dense vegetation （DDV） algorithm of PARASOL was developed. From PARASOL intensity measurements in the summer of 2006, the aerosol optical depth （AOD） was retrieved by the algorithm. By the comparison with Beijing Site of aerosol robotic network （AERONET）, correlation coemcient was equal to 0.86, but when AOD was small, the retrieval error was large.
作者 郭丁 王中挺
机构地区 中国空间技术研究院总体部 环境保护部卫星环境应用中心
出处 《大气与环境光学学报》 CAS 2013年第6期434-439,共6页 Journal of Atmospheric and Environmental Optics
基金 国家自然科学基金(41301358) 遥感科学国家重点实验室开放基金(OFSLRSS201301)资助
关键词 遥感 陆地气溶胶 偏振 暗目标 remote sensing aerosol over land surface polarization dark dense vegetation
分类号 X513 [环境科学与工程—环境工程]
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参考文献13

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二级参考文献68

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共引文献13

同被引文献26

引证文献2

二级引证文献8

大气与环境光学学报
2013年 第6期

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