国民经济行业用水特性分析与评价

Analysis and assessment of water use in different sectors of national economy

本文对国民经济行业用水特性进行了分析,提出了节水高效型国民经济生产体系的定量分析方法。内容包括:①建立了水资源投入产出分析模型;②分别从用水效率和用水效益两方面构建了国民经济行业用水特性评价指标体系;③提出了国民经济行业用水特性综合评价方法;④提出了节水高效型国民经济产业结构的判定标准及其方法。本文提出的方法,可为制定国民经济和行业发展规划提供决策依据,文中以北京为例说明本方法的应用结果。

Based on the analysis on the characteristics of water use in different industrial sectors of national economy, a method for quantitatively determining the production system of water saving oriented and high efficiency water utilized society is proposed. The model for analyzing the input and output of water resources and the index systems for assessing the characteristics of water use from the viewpoints of efficiency and benefit are established respectively. A comprehensive method for assessing the characteristics of water use in various industrial sectors of national economy and the standard for discriminating the necessary adjustment of economic development tendency according to the water use are suggested. The proposed method is applied to analyze the situation in Beijing.