温度植被干旱指数时空融合模型对比

李超,李雪梅,田亚林,任瑞

Time and Space Fusion Model Comparison of Temperature Vegetation Drought Index

Chao Li,Xuemei Li,Yalin Tian,Rui Ren

表1 真实NDVI-LST与对应预测的NDVI-LST干湿边统计

Table1 Wet and dry edge statistics of real NDVI-LST and corresponding predicted NDVI-LST

TVDI类型 干边方程 R2 湿边方程 R2 真实Landsat 8 y = - 15.673 x+46.884 0.884 2 y = 3.552 x+22.108 0.371 4 STARFM y = - 7.898 x+53.838 0.709 8 y = 1.542 x+22.673 0.218 5 ESTARFM y = - 14.938 x+53.041 0.802 4 y = 3.151 x+20.611 0.299 3 FSDAF y = - 10.838 x+53.238 0.775 1 y = 1.850 x+20.773 0.265 6