山东省某典型工业城镇土壤重金属污染特征及风险评估

曾蛟, 孔令号, 刘淑亮, 褚宏宪, 赵正鹏, 杨开丽, 郭旭军, 陈亮

Contamination characteristics and risk assessment of soil heavy metals in a typical industrial town in Shandong Province, China

ZENG Jiao, KONG Ling-Hao, LIU Shu-Liang, CHU Hong-Xian, ZHAO Zheng-Peng, YANG Kai-Li, GUO Xu-Jun, CHEN Liang

表6 土壤重金属元素主成分分析

Table 6 Principal component analysis of soil heavy metals

元素 主成分 1 2 3 Hg 0.323 0.564 0.243 Cu 0.841 -0.27 -0.18 Ni 0.247 -0.373 0.872 Zn 0.865 -0.39 -0.188 As 0.468 0.567 0.215 Cr 0.7 -0.616 0.012 Cd 0.797 0.384 -0.062 Pb 0.727 0.459 -0.055 特征值 3.494 1.74 1.04 贡献率/% 43.130 21.479 12.838 累积贡献率/% 43.13 64.609 77.447