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2 灯光指数和LC-NDUI与人口的相关性决定系数R2

Tab.2 Correlation coefficient R2 of the light index and LC with population

模型 TNL I CNLI LC-NDUI TP PD TP PD TP PD TP PD 线性 0.815 72 0.241 83 0.311 64 0.892 19 0.311 84 0.900 62 0.179 99 0.871 39 非线性 0.815 79 0.367 55 0.558 36 0.892 67 0.494 14 0.900 97 0.486 25 0.881 12 指数 0.714 58 0.302 14 0.544 39 0.814 63 0.474 88 0.836 71 0.535 61 0.795 42 对数 0.352 41 0.183 55 0.164 63 0.712 65 0.269 89 0.843 25 0.181 97 0.764 82