HJ-1CCD数据大气校正方法研究

被引:21
作者
孙长奎 [1 ,2 ]
孙林 [1 ,3 ]
麻盛芳 [1 ]
彭菁菁 [2 ]
王健 [1 ]
闻建光 [2 ]
程洁 [4 ]
机构
[1] 山东科技大学测绘科学与工程学院
[2] 中国科学院遥感应用研究所遥感科学国家重点实验室
[3] 北京师范大学遥感科学国家重点实验室
[4] 不详
关键词
HJ-1CCD; 大气校正; 查找表; 地表反射率; MODIS; 气溶胶光学厚度;
D O I
暂无
中图分类号
P413 [数据处理];
学科分类号
摘要
本文开展了HJ-1CCD相机数据大气校正方法的研究工作。基于辐射传输模型构建了不同大气条件下的大气校正系数查找表;大气校正中用到的气溶胶光学厚度数据基于浓密植被区域红蓝波段地表反射率之间的关系反演得到。与对应当天的MODIS地表反射率数据的对比分析表明,本文提出的大气校正方法具有较高的精度。本文还从气溶胶光学厚度的反演精度、大气水汽含量的变化、辐射定标精度、海拔高度等方面对大气校正的不确定性进行了分析。
引用
收藏
页码:826 / 836
页数:11
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