excel中日期可以相减吗:陆地表面温度反演的方法是什么？

利用分裂窗算法反演陆地表面温度的研究进展

PROGRESS IN SPLIT-WINDOW ALGORITHMS FOR RETRIEVING LAND SURFACE TEMPERATURE

俞宏 石汉青

摘 要：本文对LST反演的分裂窗算法作了回顾和比较.LST反演的分裂窗算法最一般的形式是TS=T4+A(T4-T5)+B,其中TS是陆地表面温度,T4和T5分别是AVHRR分裂窗通道4和5的亮温度,A和B是由大气、观测角及地表辐射率所决定的系数,不同的算法其系数的确定有很大的不同.地表比辐射率的确定是LST反演中的主要难点,目前也有多种方法来确定地表比辐射率值.最后本文还指出了目前在LST反演中存在的局限性.
关键词：分裂窗算法 反演 陆地表面温度
分类号：S165 文献标识码：A

作者单位：俞宏（解放军理工大学气象学院,南京,211101）
石汉青（解放军理工大学气象学院,南京,211101）

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