论文部分内容阅读
水利部水文司和中国水利学会在北京联合举办了中国水环境问题研讨会,专家们从不同方面论述了我国的水环境问题,认为我国面临的水环境问题相当严峻。一是河流污染不仅严重,而且有逐步加重的趋势。据1995年完成的第二次全国水资源质量评价成果,在近10万km 评价河长中,受污染河长已占46.5%,其中10.6%属严重污染。污染河长比1984年增加一倍以上。二是湖泊水库富营养化问题突出。在
The Hydrology Division of the Ministry of Water Resources and the China Water Conservancy Society jointly held a seminar on China’s water environment in Beijing. Experts discussed the water environment issue in our country from different aspects and considered that the water environment problem facing China is quite serious. First, river pollution is not only serious, but also gradually increase the trend. According to the results of the second national water quality assessment completed in 1995, about 50% of the rivers evaluated for river length have polluted the rivers, accounting for 46.5%, of which 10.6% are seriously polluted. Pollution river length more than doubled in 1984. Second, the lake reservoir eutrophication problems prominent. in