【摘要】 根据青海省水资源呈东北部的外流水系和西北部的内陆水系分布状况,在对青海省主要水系的调查基础上,得出水质状况随海拔高度变化而变化,中心城市河水流域污染程度较大,以此提出综合保护对策。更多还原

【Abstract】 The water resource of Qinghai province is composed of the water system of northeast′out-river and northwest′inland river,the status of water quality changes　along with altitude.The pollution of centric city river was more serious that the others.Therefor,some of sythetical protection measures were suggested.更多还原