摘要
针对灌溉工程经济评估中经济参数取值模糊,主观因素影响较大的问题,本文应用多种方法,通过水文、气象、经济技术资料的分析,提出了干旱、半干旱和半湿润易干地区不同设计频率下,各主要农作物灌溉效益分摊系数。
Abstract Pointing the problem that economic parameter value is indistmct, and is subjective in irrigation engineering economic evaluation, through analysis and calculation of the hydrology, metorology and economic technic data, this paper has gained the sharing coefficient of the irrigation benefit of each major crop in different frequence, in arid, semi-arid and everarid semi-humid regions.
出处
《西北水资源与水工程》
1998年第1期13-16,21,共5页
Northwest Water Resources & Water Engineering