今年9月我随水电部水资源访日代表团去日本考察访问,考察了不少水资源工程并了解了日本编制用水的长期供求计划方面的情况,现介绍如下。一、水土资源概况日本国土由本州、四国、九州、北海道四个岛屿和几百个小岛组成,南北狭长,北起北海道南至冲绳岛,长约3000公里。中央山脉纵贯全岛,全国总面积约38万平方公里, In September of this year, I went to Japan for a study tour with the delegation from the Ministry of Water Resources to Japan to inspect a number of water resources projects and learned about the long-term supply and demand plan for Japan’s water supply. I. Overview of Water and Land Resources The Japanese territory consists of four islands of Honshu, Shikoku, Kyushu and Hokkaido, and several hundred islets. The north and south are long and narrow, covering a distance of 3,000 km from Hokkaido south to Okinawa. Longitudinal throughout the central mountain range, the total area of ​​about 380,000 square kilometers,