摘要
对自贡釜溪河底泥中的TN、TP、有机质含量进行了测定,并用有机指数法和内梅罗指数法评价了釜溪河底泥的污染状况。结果表明,釜溪河底泥中的有机质、总氮和总磷存在明显的富集现象,其中有机质含量最大,其次是总氮、总磷。底泥肥力评价结果表明,釜溪河底泥的有机指数较高,属于严重肥污染状态。相关性分析结果表明,釜溪河底泥中的有机质、总氮和总磷三者的含量具有明显的相关性,说明了污染物质的同源性。内梅罗指数评价结果表明,釜溪河底泥远远超过了重度污染等级。为了防止釜溪河水污染进一步加剧,底泥治理工作刻不容缓。
The concentrations of TN, TP and OM in the sediments from Fuxi River were analyzed. The polluted status of sediments from Fuxi River was evaluated by organic index method and Nemerow in- dex method. The results showed that TN, TP and OM were obviously concentrated in the sediments, and OM was higher in the sediments, followed by TN and TP. The average organic index of the sediments from Fuxi River was high which showed the majority of sediments were little fertile. The OM, TN and TP had an obvious correlation, which indicated that they might be from the same source. As indicated by the re- suits of Nemerow index assessment, the pollution of the sediments was serious. The control of the sedi- ments is urgently required to prevent Fuxi River water pollution from further deterioration.
出处
《中国给水排水》
CAS
CSCD
北大核心
2014年第3期73-75,共3页
China Water & Wastewater
基金
四川理工学院研究生创新基金资助项目(y2011016)
关键词
釜溪河
底泥
总氮
总磷
有机质
Fuxi River
sediment
total nitrogen
total phosphorus
organic matter
