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水是重要的自然资源,是人类赖以生存、工农业生产赖以发展的物质条件,也是生态环境的决定因素。水资源的开发利用和科学管理的情况如何是关系到国计民生的大事。随着经济的发展、工农业生产、城乡建设和人民生活等各方面对水的需求量不断增加。水作为一种可再生动态资源,对于一个区域在一定时间内并非取之不尽、用之不竭。这样就有必要算清区域水量的出入账,为区内各级政府和社会各部门合理开发和保护水资源提供科学依据,为水行政主管部门加强水资源管理提供决策性信息。
Water is an important natural resource. It is a material condition for mankind to depend on for survival and development of industrial and agricultural production. It is also a decisive factor for the ecological environment. How the development and utilization of water resources and scientific management are related to the national economy and the people’s livelihood. With economic development, the demand for water in industrial and agricultural production, urban and rural construction and people’s livelihood has continuously increased. As a renewable and renewable resource, water is not inexhaustible to a region for a certain period of time. In this way, it is necessary to calculate the amount of water in the region and provide a scientific basis for rational development and protection of water resources at all levels of government and social sectors in the region, and provide decision-making information for water administrative departments to strengthen water resources management.