考虑土壤水分影响的比辐射率方法在地表温度反演中的应用

董雪, 田静, 吴骅, 刘素华

Application of the emissivity method considering the effects of soil moisture for retrieving land surface temperature

Xue DONG, Jing TIAN, Hua WU, Suhua LIU

表3 三种方法获取的研究区不同地表类型比辐射率值和地表温度值对比结果

Table 3 Comparison of emissivities and land surface temperatures retrieved in different surface types with three different methods in the study area

地表类型 裸土 灌木地 草地 稀疏林地 常绿林地 地表比辐射率 Emi_GSW 0.971 0.974 0.975 0.977 0.979 Emi_Weighed 0.966 0.971 0.982 0.982 0.982 Emi_addSM_M 0.950 0.969 0.980 0.979 0.978 地表温度/K LST_GSW 319.56 314.48 314.39 314.00 311.90 LST_Weighed 319.88 314.68 314.08 313.70 311.76 LST_addSM_M 320.67 314.73 314.16 313.82 311.80