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시스템 다이내믹스를 이용한 농업용수 재이용시스템 경제성 분석

Economic Analysis of Wastewater Reuse Systems for Agricultural Irrigation using a System Dynamics Approach

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참고문헌

키워드

주제분류농학

초록

Many studies have reported additional treatment is needed to use wastewater for agricultural purpose. Economic considerationsshould be taken into account to establish infrastructure for agricultural reuse because of a large amount of water use in irrigationand relatively low water quality requirement. The objective of this study was to conduct economic analysis of wastewater reclamationand reuse systems for agriculture. A system dynamics approach considering complexity and dynamics in the wastewater reuse systemswas used for the economic analysis, which are related with social, environmental, and economic problems. Sensitivity and benefitcost analysis for wastewater reuse systems was conducted through the established economic assessment model. The result of sensitivityanalysis showed that water resources development and installation cost were the most sensitive for total benefits and costs, respectively. The scenario-based test of the organized economic assessment model shows marginal cost ranges and enables decision-makers to decidereasonable cost for the wastewater reuse systems for agriculture.

Abstract

Many studies have reported additional treatment is needed to use wastewater for agricultural purpose. Economic considerationsshould be taken into account to establish infrastructure for agricultural reuse because of a large amount of water use in irrigationand relatively low water quality requirement. The objective of this study was to conduct economic analysis of wastewater reclamationand reuse systems for agriculture. A system dynamics approach considering complexity and dynamics in the wastewater reuse systemswas used for the economic analysis, which are related with social, environmental, and economic problems. Sensitivity and benefitcost analysis for wastewater reuse systems was conducted through the established economic assessment model. The result of sensitivityanalysis showed that water resources development and installation cost were the most sensitive for total benefits and costs, respectively. The scenario-based test of the organized economic assessment model shows marginal cost ranges and enables decision-makers to decidereasonable cost for the wastewater reuse systems for agriculture.

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