灌溉水利用系数测算分析中遇到的困难或问题研究

Issues related to calculation of utilization coefficient of irrigated water

灌溉水利用系数是衡量农业用水效率的重要指标,因其影响因素多而在实际测算分析中遇到不少难题。以杭州市灌溉水利用系数测算分析工作为参照,分析工作中遇到的困难或问题,提出建议或措施。转变观念与加强技术观测力量,是南方丰水地区提高灌溉水利用系数测算分析成果准确性与可靠性的关键。

Utilization coefficient of irrigated water is one of the key indicators to measure the productivity of irrigated water use, as more influential factors are involved and difficulties are existed in actual calculation. Studies are made on the above issues by referencing the calculation result of coefficient of irrigated water use in Hangzhou, together with suggestions and proposed measures. In order to enhance the accuracy and reliability of calculation in water-rich areas of southern part of China, it is necessary to transfer the old mindset and strengthen monitoring with new technologies.