乌鲁木齐河水质特征的综合指数分析

采用综合评价与分类评价相结合的方法,分析乌鲁木齐河水质特征,旨在发现影响河流水质的主要污染物和污染源,为乌鲁木齐河水污染防治和水资源利用提供科学依据。结果表明:乌鲁木齐河各断面水质符合划定水域功能要求。上游和中游断面均属清洁水质,下游断面属轻污染水质。河流综合污染指数、有机类污染指数、营养盐类污染指数均沿流程顺序增高,主要污染物为化学需氧量、石油类等有机类污染物。上游断面部分工业活动、中下游生活源、农业源污水排放是影响乌鲁木齐河水质的主要污染源。

Comprehensive index analysis on water quality in Urumqi rive

The water quality in Urumqi River was analyzed using the improved comprehensive index method including both comprehensive and classification evaluations to find out the main pollution and polluted sources.The results showed that the water quality of four monitoring sections in Urumqi River conformed to requirements of specific surface water function areas.Water quality in the upper stream and middle stream of the River was clean,butin down stream water was mildly polluted.The indexes of comprehensive pollut...