煤炭污染型河流底质污染现状分析——以北盘江贵州段为例
Journal of Guizhou University(Natural Science Edition)(2009)
Abstract
为了解北盘江污染现状,在北盘江拖长江段以及干流段设置9个采样监测点,对其底泥的理化性质和无机性质指标进行了监测分析。结果表明,底泥中营养物浓度处于中等污染水平,即低影响线和重大影响线之间,底泥中营养物浓度最低的为关岭县河段,在低影响线之下。底泥重金属含量总体为尚清洁水平,其中铁含量最高,砷次之,氟最低。
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Key words
coal-based pollution river,Beipanjing river,sediment,heavy metals
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