LEI Bo 1, 2, XU Di 1, 2, LIU Yu 1, 2

1. State Key Laboratory of Simulation and Regulation of Water Cycle in River Basin, China Institute of Water Resources and Hydropower Research, Beijing 100048, China;
2. Department of Irrigation and Drainage, China Institute of Water Resources and Hydropower research, Beijing 100048, China;
3. National Center of Efficient Irrigation Engineering and Technology Research, Beijing 100048, China

Abstract: The study focuses on the theoretical application of comprehensive evaluation of agriculture water utility (AWU) to Da-xing County, Beijing. Based on hierarchical structure of Target-Criterion-Index, the evaluation index system of agriculture water utility of Da-xing county, Beijing is constructed. Furthermore, the agriculture water utility of Da-xing county for the period of 2003-2008 is evaluated by application of the Analysis Hierarchy Process (AHP), which proves that AHP might be the proper method applicable to comprehensive evaluation of agriculture water utility. The evaluation results reveal that the actual effect of agriculture water utilization in Da-xing County, Beijing is in a good condition. The main reason for such results is that economic benefit of agriculture water utilization received an outstanding effect, contributing more than 50% score of comprehensive utility. On the contrary, eco-environment benefit is relatively poor. More than 60% of evaluated years is in the state of alert. The main problems for eco-environment of Da-xing County are serious pollution and groundwater overexploitation.

Key words: agriculture water utility; comprehensive evaluation; the analysis hierarchy process

Published in: Journal of China Institute of Water Resources and Hydropower Research (Vol. 11 No. 4, 2013)