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- W2363059139 abstract "The contradiction between water resources supplement and demand has become more and more acute in China.In the context of water resources shortage,water resources utilization efficiency has become a focus in water sciences,but it is very difficult to appropriately measure water resources utilization efficiency.Water resources utilization relative efficiency(WURE) is considered to be an effective tool to measure water resources utilization efficiency.Based on the panel dataset of water utilization and social economy from 1997 to 2007 in China,the authors selected indexes of domestic water usage,labor,and fixed asset investment as inputs and gross domestic product(GDP) as output.The revised data envelopment analysis model(DEA),which was developed to analyze efficiency and productivity based on an input-output production function,was utilized to calculate the water relative utilization efficiency for different regions and periods in China.The exploratory spatial data analysis(ESDA) was utilized to investigate the characteristics of the variations in spatial-temporal differences of WURE.Results indicated that:① the WURE has shown a trend to increase with time,with showing the highest WURE over developed regions,and the lowest one over less-developed regions.Large amount of effort should be made in order to construct water-conserving society in China,which may be a result of reasonable social and economic developments;② there exists a significant difference in WURE among 31 administrative regions,and the difference first increased and then decreased.Overall,the difference degree was enlarged in the past 11 years,but decreased between the regions having a similar WURE level;③ four types(High-High,High-Low,Low-High and Low-Low) reflecting more intuitive spatial association pattern of the growth of water resources efficiency in China were showed in this paper.The cluster characteristic of the growth rate of WURE is similar to that of GDP per capita.It is a universal phenomenon that there exists temporal-spatial differences in WURE,and the existence and evolution of differences in WURE reflect direct or indirect influences resulting from regional economy and social developments.Finally,on the basis of the present study,some rational suggestions regarding improving water use efficiency which contributes to the sustainable utilization of water resources were given in the current situation of water usage and management in China.The research would provide decision-makers with meaningful references for promoting water resources utilization and regional development." @default.
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- W2363059139 date "2009-01-01" @default.
- W2363059139 modified "2023-09-23" @default.
- W2363059139 title "Analysis of the Spatial-temporal Pattern of Water Resources Utilization Relative Efficiency Based on DEA-ESDA in China" @default.
- W2363059139 hasPublicationYear "2009" @default.
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