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河湖基本情况普查是第一次全国水利普查的重要内容之一。根据国家的统一安排,长江水利委员会水文局针对统一普查内容,采用统一技术手段,统一技术标准,充分利用国家基础地理信息数据库建设成果、高分辨卫星遥感影像和3S等高新技术,全面查清了长江流域河流湖泊数量、分布等基本情况,并建立了河流湖泊主要特征基础数据库。通过对比分析长江流域河湖基本情况普查成果与历史资料,证明了此次普查成果的真实性、可靠性和权威性,为今后长江的治理开发提供了更为翔实的资料。
The general survey of rivers and lakes is one of the important contents of the first national water census. According to the unified arrangement of the state, the Hydrology Bureau of the Changjiang Water Resources Commission, in accordance with the contents of the unified census, adopts unified technical means and unified technical standards, makes full use of the achievements of the national basic geographic information database construction, high-resolution satellite remote sensing images and 3S and other high- The number and distribution of rivers and lakes in the Yangtze River Basin and other basic conditions, and established the main characteristics of rivers and lakes database. Through the comparative analysis of the census results and historical data of the basic conditions of rivers and lakes in the Yangtze River Basin, the authenticity, reliability and authority of the census results are proved, which provide more detailed information for the future development of the Yangtze River.