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

图4 表层土壤重金属元素地球化学分布

Fig.4 Geochemical distribution of heavy metal elements in topsoil