文献类型：期刊文献

中文题名：河流COD污染通量变化规律研究

英文题名：Study on the variation characteristic of COD loading in rivers

作者：陈炎[1];林梅英[2];赵颖[1]

第一作者：陈炎

机构：[1]河南省环境监测中心站;[2]河南财经学院

第一机构：河南省环境监测中心站,河南郑州450004

年份：2002

卷号：20

期号：1

起止页码：70-73

中文期刊名：河南科学

外文期刊名：Henan Science

收录：CSTPCD

语种：中文

中文关键词：COD通量;变异系数;点源;面源;河流污染通量

外文关键词：COD loading; coefficients of variation

摘要：分析了两种类型河流COD污染通量变化特征。汇水面积较大的河流 ,下游断面汛期COD通量远大于点源COD入河排污量 ,典型河流断面可达其 9～ 2 2倍。这类河流COD污染通量与河水流量呈显著正相关 ,r值在 0 .90 3～ 0 .997范围 ,文中给出线性回归方程。河流点源污染量变异系数一般在 30 %～ 6 0 %,面源可达 12 7%～ 2 0 7%。
The variation characteristic of COD Loading in two types of rivers were revealed. COD loading of the river with large basin were more larger than drainage came from points pollution resources, it would be {9-22times}. The coefficients of variation of drainage came from points pollution resources were30-60%, and {127-207%} came from surface pollution resources. The COD loading and water rate of flow especially had positive relations. The range of r were 0.903-0.997.The regression equations were given.