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海淀区水资源概况及其开发利用冯国振（海淀区水利局）海淀区位于北京市的西北近郊，面积４２６ｋｍ２，地势西高东低，山区约占１６％。多年平均降雨量６３６．２ｍｍ，年际间降雨量差异悬殊，年内分配也很不均匀，６～９月约占全年降雨总量的８０％。就水资源而言还是比...
Water Resources in Haidian District and Its Development and Utilization Feng Guozhen (Water Conservancy Bureau, Haidian District) Haidian District is located in the northwestern suburbs of Beijing with an area of 426 km2. Its terrain is high in the west and low in the east and 16% in the mountains. The annual average rainfall is 636.2mm, with great disparities in rainfall between years and very uneven distribution during the year. From June to September, it accounts for about 80% of the total annual rainfall. In terms of water resources is still more than ...