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2 烟台海岸带土壤重金属PMF源解析结果

Tab. 2 The results of PMF modeling of heavy metals in soils of Yantai coastal zone

模型验证 源成分谱(mg kg-1) 源贡献率(%) R2 预测值/实际值 因子1 因子2 因子3 因子4 因子1 因子2 因子3 因子4 As 1.00 1.00 6.1 1.0 0.5 0.1 79.2 12.6 6.6 1.5 Cd 0.79 0.96 0.06 0.01 0.10 0.00 33.8 58.3 5.7 2.1 Co 0.93 0.98 9.3 0.7 0.8 0.2 85.0 6.2 6.9 1.9 Cr 0.83 0.98 47.9 4.6 3.6 1.3 83.4 8.1 6.4 2.2 Cu 1.00 1.00 9.9 5.7 16.3 0.4 30.7 17.6 50.5 1.2 Hg 1.00 0.98 0.010 0.006 0.003 0.059 12.7 8.1 3.5 75.7 Mn 0.88 0.96 369 66 29 8 78.2 14.0 6.2 1.6 Ni 0.85 0.96 20.8 1.3 1.7 0.5 85.3 5.5 6.9 2.3 Pb 0.83 0.93 15.5 13.1 2.8 1.1 47.7 40.3 8.5 3.5 Zn 0.63 0.94 32.6 23.0 6.8 1.8 50.8 35.8 10.6 2.8