一种热红外分裂窗辐射量线性组合的陆地温度遥感反演方法

被引:8
作者
周宁
尹球
机构
[1] 中科院上海技术物理研究所
关键词
比发射率; 热红外; 遥感; 分裂窗; 反演; 大气校正;
D O I
10.13443/j.cjors.2004.04.016
中图分类号
TP722.5 [红外遥感];
学科分类号
摘要
分裂窗技术已成功应用于海温反演。但当其用于陆地温度反演时 ,通常产生较大误差。选用 7类共 5 1种标准地物 ,分析研究了各种分裂窗算法用于陆面温度反演所产生的误差及误差来源。提出了新的分裂窗算法 ,用分裂窗辐射量线性组合代替亮温线性组合。新的分裂窗反演算法受大气影响很小 ,使陆地温度反演精度优于 3K ,水体反演精度优于 0 .15K。
引用
收藏
页码:464 / 468
页数:5
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