北京东南郊土壤重金属元素分布及其在表层土壤中的富集特征

张沁瑞, 李欢, 邓宇飞, 黄勇, 张博, 许一波

Distribution of heavy metal elements in soil of the Southeastern suburbs of Beijing and their enrichment characteristics in surface soil

ZHANG Qin-Rui, LI Huan, DENG Yu-Fei, HUANG Yong, ZHANG Bo, XU Yi-bo

图4 土壤重金属元素富集系数空间分布

Fig.4 Distribution of heavy metal enrichment coefficient in soil