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7 PCA各分量贡献率

Tab.7 Contribution rate of each PCA component

植被类型 主成分分量 特征值 方差贡献/% 累积贡献/% 针叶林 C1 7.319 45 61.00 61.00 C2 2.588 47 21.57 82.57 C3 0.745 39 6.21 88.78 C4 0.538 48 4.49 93.26 阔叶林 C1 7.402 98 61.69 61.69 C2 2.479 73 20.66 82.36 C3 0.907 83 7.57 89.92 C4 0.672 17 5.60 95.52 混交林 C1 6.524 52 54.37 54.37 C2 3.970 18 33.08 87.46 C3 0.752 40 6.27 93.73 C4 0.576 63 4.81 98.53