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首页> 外文期刊>Agricultural Water Management >A fuzzy multicriteria benefit-cost approach for irrigation projects evaluation.
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A fuzzy multicriteria benefit-cost approach for irrigation projects evaluation.

机译：用于灌溉项目评估的模糊多准则效益成本法。

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摘要

Three alternative irrigation projects for the East Macedonia-Thrace Region, Greece, are considered. Given the presence of valuable natural ecosystems in the area, environmental considerations are of great importance. In order to evaluate the projects, a fuzzy multicriteria benefit-cost approach is proposed. The overall goal is the rational management of water resources, and the projects appraisal is based on economic, social, and environmental criteria. Alternative scenarios on the availability of water resources are also incorporated in the decision model. The decision problem is formulated as two hierarchies, and the projects are ranked according to the benefit-cost ratio of their global priorities. The proposed method is proved to be, on the one hand, very suitable when both costs and benefits cannot be easily expressed into monetary terms as the traditional benefit-cost analysis requires; and, on the other hand, a valuable tool to cope with vague judgments.
机译：考虑了希腊东马其顿-色雷斯地区的三个替代灌溉项目。考虑到该地区有价值的自然生态系统的存在，对环境的考虑非常重要。为了评估项目，提出了一种模糊的多准则效益成本方法。总体目标是合理管理水资源，而项目评估则基于经济，社会和环境标准。决策模型中也包含了有关水资源可用性的替代方案。决策问题被表述为两个层次结构，并且根据项目的全局优先级的收益成本比对项目进行排名。一方面，当传统的收益-成本分析要求将成本和收益不能轻易地用货币表示时，该方法被证明是非常合适的。另一方面，它是应对模糊判断的宝贵工具。

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