烟台海岸带土壤重金属定量源解析及空间预测

吕建树

Source apportionment and spatial prediction of heavy metals in soils of Yantai coastal zone

LYU Jianshu

表3 独立成分的理论变异函数拟合参数

Tab. 3 Parameters of variogram fitting of independent components

变量 模型结构 块金值 结构1 结构2 块金值/总方差 基台值 变程(m) 基台值 变程(m) IC1 Nugget+Spherical+Spherical 0.31 0.26 7195 0.46 29307 0.30 IC2 Nugget+Spherical+Spherical 0.38 0.10 8299 0.47 29457 0.40 IC3 Nugget+Spherical+Spherical 0.46 0.32 13513 0.35 37496 0.41 IC4 Nugget+Spherical+Spherical 0.25 0.59 8674 10.08 1661216 0.02 IC5 Nugget+Spherical 0.68 0.25 18673 0.73 IC6 Nugget+Spherical+Spherical 0.38 0.30 7733 0.28 25534 0.40 IC7 Nugget+Spherical 0.65 2.73 548386 0.19 IC8 Nugget+Spherical 0.26 0.88 19044 0.23 IC9 Nugget+Spherical+Spherical 0.50 0.22 4317 0.30 20506 0.49 IC10 Nugget+Spherical+Spherical 0.55 0.27 7141 0.30 61258 0.49