基于ICESat-2和Sentinel-2A数据的森林蓄积量反演

刘美艳, 聂胜, 王成, 习晓环, 程峰, 冯宝坤

Forest stock volume inversion based on ICESat-2 and Sentinel-2A data

LIU Meiyan, NIE Sheng, WANG Cheng, XI Xiaohuan, CHENG Feng, FENG Baokun

表5 逐步线性回归模型

Tab.5 Stepwise linear regression model

变量集 逐步线性回归公式 R2 1 Y1=2.279-0.015Mean9+0.007RVI- 0.002 Hom11-0.023Con2-0.003Hom3- 0.004Sec2 0.406 9 2 Y2=0.111 702h_canopy +0.000 387h_dem- 2.978 0.590 1 3 Y3=0.092h_canopy -0.01Mean9+ 0.042Variance11+0.005DVI-1.097 0.632 7