大型灌区高效用水技术选择探讨

灌区高效用水技术的选择应在分析影响灌区运行的内在因素之后进行,即分析灌区工程所使用的硬件设施和运行管理机制及规程等状况.在综合运用高效用水技术和措施时,要注意分析应用这些技术所要付出的经济代价和可能出现的负面影响.选择合理的高效用水技术需要对灌区工程和管理现状进行客观的评价,建立起灌区评估系统.

Discussion on the high-efficiency water use techniques selection in large-sized irrigation districts

It is necessity to speed-up the rehabilitation and reform of irrigation districts in the Eleventh Five-Year period through analysis of the achievements of rehabilitation and water-saving reform of large-sized irrigation districts. The basic thought about the Eleventh Five-Year planning of large-sized irrigation district is defined from the 6 aspects including guideline, principles, objectives and main contents, the land and water resources evaluation and reform principles in different areas, the pivot area, irrigation district management system and operation mechanism reform.