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
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肖高强, 向龙洲, 代达龙, 高晓红, 宗庆霞
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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
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XIAO Gao-Qiang, XIANG Long-Zhou, DAI Da-Long, GAO Xiao-Hong, ZONG Qing-Xia
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表2 不同地质单元土壤重金属平均含量统计结果
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Table 2 Statistical results of average soil heavy metal content in different geological units
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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 |
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