成都沙河水环境质量调查分析

Investigation and evaluation about water quality of Shahe River in Chengdu

对经过整治后的沙河的不同河段的水质状况进行采样监测,按照水环境质量标准并对照整治前的状况,利用模糊综合评价法对现阶段沙河不同河段的水质进行分析评价,结果表明:沙河水质较整治前有明显改善,上游水质达II^III类水域标准,满足饮用水源要求,下游水质达III^IV类水域标准,满足娱乐、景观、灌溉用水要求.

In this paper,water samples picked from different sections of Shahe Riverhave been examined.Water quality of Shahe River at present has been compared to that before being harnessed,and evaluated by faint comprehensive evaluating method according to water quality standards.It shows water quality of Shahe River is better than that before.Water quality at the headwaters reaches water quality standards for II^III kind waterbody,fit for water source demands of drinking,and the backward water quality reaches standards for III^IV kind waterbody,fit for water quality demands of scenery and irrigation.