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| 某灌区土壤中重金属镉污染调查 |
| Survey ofthe Cadm ium Pollution in an Irrigation AreasSoil |
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| DOI： |
| 中文关键词: 土壤 镉 污染 污灌区 |
| 英文关键词: Soi l Cadmium Pollution Irrigation areasusedwastewater |
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| 中文摘要: |
| 对沈阳市郊某污灌区 土壤中重金属镉的污染状况进行了调查。结果表明, 2000年土壤中镉质量比 为0.23 m g/kg~ 5.55 m g/kg, 最高值超标17.5倍; 平均值为2.02 m g/kg, 属严重污染, 污染程度仍处在停耕前水平; 污灌区土壤镉含量与土壤深度有关, 深度为16 cm ~ 30 cm污染最重,51 cm ~ 80 cm 污染最轻。 |
| 英文摘要: |
| Inthisarticle, the pollution situation ofCadmium had been investigated in an irrigation areas used wastewaterofShenyang city. Theresultsshowedthatthe quality ratio ofCadmium was0.23 mg/kgto5.55 mg/kginthesoilin 2000. Thehighestvalueexceeds17.5timesthantheN ationalStandard, andtheaverage data was2.02mg/kg, sothesoilhadbeen badlypolluted andthe degreeofpollutionwasstillinthelevelof formerstopped furrow. In addition, there wasrelation betweenthe qualityratioofCadmium andthesoildepth, themostpollution wasinthe depthlevelof16 cm to30 cm andthebestsoilwasin51cm to80 cm. |
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