黑河流域农业土壤重金属人为污染的富集因子分析The Analysis on the Enrichment Factors of Heavy Metal Pollution in the Agricultural Soil Made by People in Heihe River Valley
蒲瑞丰,康尔泗,艾贤嵩,张济世
摘要(Abstract):
受人类活动的影响,黑河流域的农业土壤在不断施肥、施药、灌溉、排水的影响下,重金属元素含量发生了明显变化,汞高出背景值2.76倍,铅高出0.46倍,镉高出0.32倍,铬高出0.16倍,铜高出0.12倍,砷高出0.1倍。富集因子能从自然异常中分离人为异常,准确判断干旱区农业表层土壤中重金属的人为污染状况,特别是对偏态元素的分析更为理想。
关键词(KeyWords): 黑河流域;重金属;人为污染;富集因子
基金项目(Foundation): 中国科学院知识创新工程重大项目(编号:KZCX1-10-03-01);; 中国科学院知识创新项目(编号:KZCX01-09);; 中国科学院寒区旱区环境与工程研究所知识创新项目(编号:CACX210036和CACX210016)资助
作者(Author): 蒲瑞丰,康尔泗,艾贤嵩,张济世
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