浅山区典型小流域土壤重金属影响因素及来源分析

史敬涛, 刘俊建, 张军超, 王江玉龙, 姜禹戈, 王末, 李横飞, 杨文号, 颜翔锦

Analysis of soil heavy metal influencing factors and sources in typical small watersheds in shallow mountainous area

SHI Jing-Tao, LIU Jun-Jian, ZHANG Jun-Chao, WANG Jiang-Yu-Long, JIANG Yu-Ge, WANG Mo, LI Heng-Fei, YANG Wen-Hao, YAN Xiang-Jin

表4 土壤pH和质地与重金属元素迁移系数的相关性

Table 4 Correlation between soil pH and texture and migration coefficient of heavy metal elements

项目 TCr TNi TCu TZn TCd TPb THg TAs 粉粒 0.224 0.262* 0.199 0.215 0.030 0.094 0.330* 0.136 细砂 0.328* 0.324* 0.140 0.291* 0.084 0.076 0.219 0.115 中砂 -0.036 -0.094 -0.110 -0.097 -0.128 -0.093 -0.256 -0.192 粗砂 -0.319* -0.290* -0.118 -0.254 -0.100 -0.098 -0.241 -0.071 pH -0.314* -0.248 -0.246 -0.269* -0.025 0.156 0.099 0.096