北京市房山区土壤重金属元素分布、富集特征及来源解析

韩冰, 黄勇, 李欢, 安永龙

Distributions, enrichment characteristics, and sources of heavy metals in soils in Fangshan District, Beijing

HAN Bing, HUANG Yong, LI Huan, AN Yong-Long

表6 实测值与 PMF 模型预测值拟合结果

Table 6 Fitting results of measured values and predictedvalues of PMF model

元素 斜率 R2 As 0.65 0.82 Cd 0.90 0.94 Cr 0.89 0.81 Cu 0.57 0.65 Hg 1.01 1.00 Ni 0.79 0.86 Pb 0.71 0.82