水是生命之源,生态之基,生产之要。北京是历史悠久、世界闻名的文化古都,也是一个依水而建,循水发展的城市。历史上,北京是水资源较为丰富的地区,北京城位于永定河和潮白河冲积扇之上,两条大河为北京提供了充沛的水源。商周时期,北京平原河湖沼泽密布,该地区被称之为“北京湾”。北京建城已有三千多年,作为都城也有八百多年,每一个发展阶段都伴随着开发利用水资源的努力。新中国成立以后,北京的水利建设,揭开了新的篇章,取得了辉煌的 Water is the source of life, the foundation of ecology, and the necessity of production. Beijing is a city with a long history and world famous culture. It is also a city built by water and developed by water. Historically, Beijing is a region rich in water resources. Beijing is located on the Yongding and Chaobai alluvial fans. Two large rivers provide abundant water for Beijing. During the Shang and Zhou dynasties, rivers and lakes in the Beijing Plain were densely covered, and the area was called “Beijing Bay”. For more than 3,000 years, Beijing has also built its capital city. As a metropolis, it has 800 years. Every stage of development is accompanied by efforts to develop and utilize water resources. After the founding of New China, Beijing’s water conservancy construction has opened a new chapter and achieved brilliant