整合多源遥感数据的洪涝灾害评估恢复——以河南“7·20”暴雨灾害为例

黎孟琦, 李功权, 谢志辉

Post-flood recovery assessment based on multi-source remote sensing data:A case study of the “7·20” rainstorm in Henan

LI Mengqi, LI Gongquan, XIE Zhihui

表1 灯光指数和LC-NDUI与GDP的相关性决定系数R2

Tab.1 Correlation coefficients R2 of the light index and LC-NDUI with GDP

模型 TNL I CNLI LC-NDUI GDP GDPD GDP GDPD GDP GDPD GDP GDPD 线性 0.766 36 0.274 23 0.518 53 0.856 71 0.484 62 0.863 24 0.379 81 0.846 29 非线性 0.785 79 0.360 36 0.591 03 0.857 87 0.588 71 0.863 77 0.582 02 0.878 43 指数 0.684 27 0.314 87 0.577 43 0.735 23 0.571 82 0.804 52 0.596 28 0.814 53 对数 0.315 47 0.226 76 0.304 05 0.592 51 0.482 48 0.780 23 0.340 15 0.842 35