大辽河水系主要污染物特征分析  

Discussion on Main Pollutants Characteristic of Daliao River Basin

作　　者：柴宁 

机构地区：[1]辽宁省辽河流域水污染防治工作领导小组办公室,沈阳110033

出　　处：《环境保护科学》2006年第3期19-21,共3页Environmental Protection Science

摘　　要：对大辽河流域主要污染物CODMn(或CODCr)和氨氮多年时空变化特征进行分析,认为二者浓度在空间上都有从上游到下游显著升高的趋势,年内变化呈现明显的点源特征。The paper analyzed the characteristics of main pollutants CODMn （COl）c,） and ammonia--nitrogen varied with time and space during the past years within Daliao river basin. The conclusion showed that the concentrations of the two pollution indexes had increasing tendency from upstream to downstream and appeared strong characteristics of point--source pollution.

关 键 词：大辽河 COD 氨氮 

分 类 号：X132[环境科学与工程—环境科学] S966.16[农业科学—水产养殖]