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应用地质累积指数评价沉积物中重金属污染:选择地球化学背景的影响 被引量:112

Applying Geo-accumulation Index to Assess Heavy Metal Pollution in Sediment: Influence of Different Geochemical Background
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摘要 地质累积指数是评价沉积物中重金属污染的常用参数。选择地球化学背景对地质累积指数的影响 ,在应用地质累积指数评价沉积物中的重金属污染时 ,应选择与该沉积物有直接联系的地球化学背景 ,由此而进行的污染状况分析才更真实。 Müller index of geo accumulation or Igeo is a widely recognized index for metal pollution that indicates the level of contamination found in sediments. In this paper, influence of different geochemical background selected was discussed when the assessment was made using Igeo. To reduce the influence, it is suggested that the geochemical background selected be in close relation to the sediment.
出处 《环境科学与技术》 CAS CSCD 2002年第2期7-9,共3页 Environmental Science & Technology
基金 国家自然科学基金项目 (498730 2 0 ) 教育部跨世纪优秀人才基金 四川省青年科技基金资助
关键词 地质累积指数 沉积物 重金属污染 地球化学背景 geo accumulation index sediments heavy metal pollution geochemical background
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参考文献9

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