三峡库区森林叶面积指数多模型遥感估算
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董立新
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Multi-model estimation of forest leaf area index in the Three Gorges Reservoir area
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Lixin DONG
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表8 各种植被指数与LAI的主成分回归模型
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Tab.8 PCA regression models between LAI and vegetation indexes of varied forest species
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类型 | 主成分回归模型 | R | R2 | 标准误差 | F检验 | 显著性系数 | 数量 | 针叶林 | Y=-2.760-11.095C1+0.016C2-0.063C3+0.001C4 | 0.766 | 0.587 | 1.306 11 | 12.064 | 0.000 | 39 | 阔叶林 | Y=-14.964-10.586C1+0.001C2-0.027C3+0.056C4 | 0.571 | 0.326 | 2.220 30 | 3.383 | 0.022 | 33 | 混交林 | Y=-15.991-6.114C1+0.001C2-0.056C3+0.092C4 | 0.670 | 0.449 | 2.469 35 | 2.239 | 0.131 | 16 |
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