白银东大沟水体和底泥中重金属污染评价
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张钊熔, 段星星, 夏明哲
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Contamination situation and evaluation of heavy metal pollution in water and sediments of Dongdagou area, Baiyin
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Zhao-Rong ZHANG, Xing-Xing DUAN, Ming-Zhe XIA
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表6 东大沟底泥潜在生态风险指数()
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Table 6 Potential ecological harm index in sediments
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| 样号 | 采样位置 | Cr | Zn | Pb | Cu | Cd | Hg | RI | | D1 | | 1.7 | 110.2 | 436.9 | 1408.3 | 6452.6 | 27.5 | 8437.2 | | D2 | | 1.4 | 89.9 | 492.8 | 760.4 | 10713.4 | 53.5 | 12111.3 | | D3 | | 1.4 | 47.5 | 398.0 | 486.9 | 5808.6 | 43.0 | 6785.4 | | D4 | | 1.7 | 134.9 | 496.5 | 1753.1 | 9243.1 | 72.0 | 11701.3 | | D5 | | 2.0 | 148.9 | 4228.7 | 399.8 | 167568.1 | 23830.0 | 196177.4 | | D6 | | 2.0 | 169.3 | 3909.6 | 279.2 | 280603.4 | 17490.0 | 302453.6 | | D7 | 上游 | 1.6 | 201.5 | 3457.4 | 421.3 | 752069.0 | 5845.0 | 761995.8 | | D8 | | 1.5 | 182.5 | 3430.9 | 358.9 | 634396.6 | 4833.0 | 643203.3 | | D9 | | 1.8 | 146.0 | 2249.8 | 220.7 | 195284.5 | 2609.0 | 200511.8 | | D10 | | 2.3 | 116.6 | 1379.4 | 170.7 | 140275.9 | 1356.5 | 143301.3 | | D11 | | 1.8 | 60.7 | 783.4 | 107.0 | 40422.4 | 614.0 | 41989.3 | | D12 | | 1.7 | 72.1 | 912.1 | 115.7 | 49991.4 | 741.0 | 51834.0 | | D14 | | 2.3 | 58.8 | 606.3 | 117.1 | 35224.1 | 301.5 | 36310.1 | | D15 | | 1.2 | 6.2 | 67.5 | 20.1 | 2661.2 | 116.5 | 2872.8 | | D16 | | 1.3 | 7.1 | 75.7 | 23.8 | 2298.6 | 105.5 | 2512.0 | | D17 | 下游 | 1.9 | 6.7 | 62.4 | 25.2 | 2556.7 | 97.0 | 2749.9 | | D18 | | 2.1 | 9.3 | 68.3 | 29.3 | 4428.9 | 427.0 | 4964.9 | | D20 | | 2.0 | 8.4 | 16.1 | 8.2 | 695.4 | 1.6 | 731.6 |
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