“十一五”期间内蒙古海勃湾断面水质状况及变化趋势分析  

The water quality and trend analysis of HaiBoWan section in Inner Mongolia during the "eleventh five"

作　　者：韩建峰[1] 陈学民[1] 董莉霞[2] 

机构地区：[1]兰州交通大学环境与市政工程学院,甘肃730070 [2]甘肃农业大学计算机与信息科学学院,甘肃730070

出　　处：《环境与发展》2012年第2期156-158,共3页Environment & Development

摘　　要：采用单因子指数、综合污染指数和秩相关系数法对海勃湾断面"十一五"期间的水质状况和变化趋势进行了分析。结果表明:海勃湾断面水质基本维持在Ⅲ类水平,部分时段达到Ⅳ类或Ⅴ类;水体水质受到轻污染,水质一般;从历年的变化趋势看,水质呈现不显著好转趋势。The water quality and trends of HaiBoWan section in Inner Mongolia during the ＂eleventh five＂ is analyzed using single-factor index,Integrated pollution index and rank correlation coefficient method in the paper.The results show that： the water quality of HaiBoWan section is maintained basicly at Ⅲ levels,and part time is maintained at Ⅳlevels or Ⅴ levels;and water quality is lightly polluted,.water quality is in general level;the change from the trend over years,no significant better trends are showed of water quality.

关 键 词：单因子指数 综合污染指数 秩相关系数 水质评价 

分 类 号：X83[环境科学与工程—环境工程]