花岗质岩浆岩土壤重金属地球化学特征及生态风险评价——以云南盈江旧城—姐冒地区为例
肖高强, 向龙洲, 代达龙, 高晓红, 宗庆霞

Geochemical characteristics and ecological risk assessment of heavy metals in granitic magmatic soil: A case study of the Jiucheng-Jiemao area in Yingjiang County, Yunnan Province
XIAO Gao-Qiang, XIANG Long-Zhou, DAI Da-Long, GAO Xiao-Hong, ZONG Qing-Xia
表2 不同地质单元土壤重金属平均含量统计结果
Table 2 Statistical results of average soil heavy metal content in different geological units
地质单元 统计参数 As Cd Cr Cu Hg Ni Pb Zn
Qa(n=3018) 含量范围/10-6 0.03~35.4 0.01~1.79 4.24~127 2.08~65.5 0.006~0.453 0.85~78.7 15.9~305 20~331
算术平均值/10-6 2.64 0.094 38.4 12.4 0.032 13.7 41.7 68.8
变异系数/% 86.5 82.7 40.7 43.0 71.2 52.3 27.5 27.7
中位值/10-6 2.15 0.080 38.2 11.7 0.028 13.1 41.6 67.1
Qb(n=674) 含量范围/10-6 0.18~136 0.01~4.06 10.3~175 4.45~68.6 0.007~0.628 3.69~137 8.52~372 19.5~533
算术平均值/10-6 15.5 0.142 88.8 27.4 0.048 41.1 48.8 91.2
变异系数/% 83.0 149.9 40.8 39.5 77.3 48.8 51.9 45.5
中位值/10-6 13.5 0.090 91.6 29.2 0.044 43.3 42.5 84.1
N2m(n=258) 含量范围/10-6 0.05~51.4 0.01~1.58 7.42~108 2.68~52.4 0.006~0.145 2.25~53 22.2~221 26.4~341
算术平均值/10-6 4.30 0.049 48.1 13.2 0.039 18.9 37.0 59.1
变异系数/% 104.4 206.3 49.9 58.7 48.2 61.7 36.7 39.4
中位值/10-6 3.05 0.040 44.9 10.95 0.036 16.0 35.7 57.5
D1g(n=396) 含量范围/10-6 2.61~296 0.01~3.46 37.3~152 8.23~91.6 0.017~0.13 16.9~137 13.5~899 17.1~887
算术平均值/10-6 25.7 0.195 103 35.2 0.060 51.9 60.2 122
变异系数/% 126.7 174.6 17.6 27.2 30.3 29.9 148.5 61.2
中位值/10-6 17.5 0.095 104 35.5 0.058 49.9 37.4 109
Pt1GL.(n=198) 含量范围/10-6 0.1~11.2 0.01~0.17 11.5~108 3.05~52.8 0.012~0.165 1.99~56.2 8.25~94.8 17.1~329
算术平均值/10-6 3.10 0.046 48.8 14.4 0.051 18.6 39.3 67.9
变异系数/% 80.4 56.5 53.8 72.8 42.0 70.5 30.2 37.9
中位值/10-6 2.28 0.040 41.2 9.34 0.047 14.6 40.2 65.8
花岗质岩浆岩(n=374) 含量范围/10-6 0.03~13 0.01~0.771 2~281 2.88~40.8 0.007~0.149 1.01~109 7.5~76.8 20.5~145
算术平均值/10-6 3.17 0.041 49.2 12.7 0.045 17.6 35.2 55.7
变异系数/% 86.9 125.8 56.7 60.5 44.9 72.0 33.8 28.0
中位值/10-6 2.20 0.030 47.6 10.65 0.040 15.6 36.0 53.7
云南省土壤背景值[38]/10-6 18.4 0.22 65.2 46.3 0.06 42.5 40.6 89.7
宣威市落水镇[44]/10-6 13.6 1.62 135.2 233.8 0.09 74.5 32.8 185.7
宣威市热水镇[45]/10-6 18.1 1.18 174.1 202.2 0.09 71.1 34.9 167.2
广南县[46]/10-6 29.88 4.96 111.49 50.02 0.35 63.58 45.42 224.63
保山市[47]/10-6 23 0.269 128 48.7 0.178 57.9 45.2 114.8