| 能值法计算农业灌溉效益分摊系数 |
| |
| 引用本文： | 罗乾,魏广平.能值法计算农业灌溉效益分摊系数[J].水利科技与经济,2011,17(6):61-63. |
| |
| 作者姓名： | 罗乾 魏广平 |
| |
| 作者单位： | 1. 河海大学,水利水电学院,南京,210098
2. 海河水利委员会,天津,300170 |
| |
| 摘 要： | 应用能值理论及其统一的衡量标准,将决定灌溉效益分摊系数的主要指标——灌溉用水量与灌溉设施投入转化为同一的量纲,可克服传统方法计算农业灌溉效益分摊系数时,无法衡量自然环境对农作物生产影响的缺陷,定义农业灌溉总能值投入量和生产过程总能值投入量的比值为效益分摊系数,为农业灌溉效益的准确计算提出具体的方法。
|
| 关 键 词： | 能值 灌溉效益分摊系数 农作物生产系统 |
Based-on Emergy Theory Analysis for the Benefit of Agricultural Irrigation |
| |
| LUO Qian,WEI Guang-ping.Based-on Emergy Theory Analysis for the Benefit of Agricultural Irrigation[J].Water Conservancy Science and Technology and Economy,2011,17(6):61-63. |
| |
| Authors: | LUO Qian WEI Guang-ping |
| |
| Affiliation: | LUO Qian1,WEI Guang-ping2(1.College of Water Conservancy and Hydropower,Hohai University,Nanjing 210098,China,2.Haihe River Water Conservancy Commission,Tianjing 300170,China) |
| |
| Abstract: | This article applies energy theory and its uniform criterion and translates the main index determining the sharing coefficient of irrigation benefit——irrigation water capacity and irrigation facility investment to same dimension.It overcomes the defect in traditional method employed to compute agriculture irrigation benefit which is unable to judge the impact of nature environment on crop production.Sharing coefficient of irrigation benefit is defined as the ratio between total irrigation energy input and total productive process energy input.Providing specific methods to improve the accuracy of irrigation benefit. |
| |
| Keywords: | emergy sharing coefficient of irrigation benefit crops producing system |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ |
|
