NDVI Land surface emissivity ɛ NDVI < -0.185 0.995 -0.185≤ NDVI <0.157 0.970 0.157≤NDVI≤0.727 1.0094+0.047ln (NDVI) NDVI>0.727 0.990

Table 3: NDVI values and its corresponding values of land surface spectral emissivity.