基于无人机多源数据的梭梭( Holoxylon ammodendron )地上生物量估算
鲍莉莉, 李锦荣, 韩兆恩, 刘悦, 单浩东

Estimation of aboveground biomass of Haloxylon ammodendron based on UAV multi-source data
Lili Bao, Jinrong Li, Zhaoen Han, Yue Liu, Haodong Shan
表4 主成分因子载荷、特征值及贡献率
Table 4 Principal component factor loadeigenvalue and contribution rate
名称第一主成分第二主成分第三主成分
H0.200.820.25
C0.400.790.26
CH0.430.880.19
VDVI0.670.160.66
NGRDI0.800.200.50
EXG0.280.100.95
VDVI×H0.630.490.52
NGRDI×H0.790.410.39
EXG×H0.290.420.84
VDVI×C0.700.510.43
NGRDI×C0.830.430.31
EXG×C0.360.460.75
VDVI×CH0.690.630.30
NGRDI×CH0.810.530.19
EXG×CH0.400.610.64
特征值11.731.330.84
贡献率%78.208.865.61
累计贡献率%78.2087.0692.67