【摘要】 由于近年来北京市水资源短缺与水环境污染日益严重,北京市城市河湖富营养化愈趋明显,至2001年,北京城区水域爆发了大面积的水华现象。从水体富营养化发生的内在主因与外部条件分析了城市河湖水华现象形成的原因,对京城水系的富营养化控制与水污染防治具有理论指导意义。更多还原

【Abstract】 Owing to increasingly serious shortage of the water resources and pollution of the water environment in Beijing, the trend of eutrophication of water body in Beijing urban zone become more obvious. A large area of algae bloom has break out in Beijing urban zone in 2001. The article analyzes the reason of algae bloom from several aspects and provides references for the control of eutrophication and water pollution of water body in Beijing urban zone.更多还原