三峡库区森林叶面积指数多模型遥感估算

董立新

Multi-model estimation of forest leaf area index in the Three Gorges Reservoir area

Lixin DONG

表5 各种植被指数与LAI的多元逐步回归分析

Tab.5 Multivariate linear regression models between LAI and vegetation indexes of varied forest species

类型 多元线性回归模型 R R2 标准 误差 F检验 显著性 系数 针叶林 Y=-5.226-13.729VI1-3.693VI2+6.05VI4 0.803 0.644 1.193 9 35.93 0.000 阔叶林 Y=-4.884-12.882VI1+0.000 4EVI 0.523 0.273 2.227 0 5.642 0.008 混交林 Y=-16.092+0.101NDVI 0.652 0.425 2.235 8 10.342 0.006