山东省安丘地区农业土壤重金属元素地球化学特征及环境评价

赵秀芳, 张永帅, 冯爱平, 王艺璇, 夏立献, 王宏雷, 杜伟

Geochemical characteristics and environmental assessment of heavy metal elements in agricultural soil of Anqiu area, Shandong Province

ZHAO Xiu-Fang, ZHANG Yong-Shuai, FENG Ai-Ping, WANG Yi-Xuan, XIA Li-Xian, WANG Hong-Lei, DU Wei

表4 表层土壤重金属元素含量统计特征值

Table 4 Statistical characteristic values of heavy metal element contents in surface soil

元素 最大值/10-6 最小值/10-6 平均值/10-6 中值/10-6 标准差 Cv/% 偏度 峰度 潍坊市土壤 背景值[21] Cd 5.96 0.01 0.12 0.11 0.12 94.90 1246.09 30.37 0.11 Hg 2.290 0.001 0.033 0.030 0.046 138.40 1310.1 31.29 0.03 Pb 1665.10 3.10 28.33 24.18 31.07 109.70 1004.05 25.27 22.90 As 223.00 0.01 7.79 7.70 4.02 51.60 861.03 17.84 7.80 Cr 2227.00 6.09 80.38 68.30 49.45 61.50 358.31 10.38 65.30 Ni 1084.00 2.94 37.21 29.70 31.27 84.00 137.57 7.02 26.90 Cu 288.00 3.63 25.19 23.10 11.10 44.10 43.32 3.76 21.20 Zn 1129.16 6.40 67.19 63.81 27.26 40.60 406.01 13.2 58.50