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Sustainability 2015, 7(2), 1774-1797; doi:10.3390/su7021774

An Integrated Simulation Model for Dynamically Exploring the Optimal Solution to Mitigating Water Scarcity and Pollution

1
Graduate School of Life and Environmental Sciences, University of Tsukuba, Tsukuba 305-8577, Japan
2
College of Environment and Resources, Jilin University, Changchun 130012, China
*
Author to whom correspondence should be addressed.
Academic Editor: Vincenzo Torretta
Received: 14 December 2014 / Accepted: 3 February 2015 / Published: 10 February 2015
(This article belongs to the Section Sustainable Use of the Environment and Resources)
View Full-Text   |   Download PDF [1311 KB, uploaded 24 February 2015]   |  

Abstract

An integrated optimization simulation model has been developed based on an input-output approach to mitigate water pollution and water scarcity through embedding environmental economic policies and applicable technologies into a complex environ-economic system to obtain an optimal set of policies and technologies that promotes the maximization of the regional economy under the constraints of water pollutant discharge and water availability. An empirical study is undertaken with the Source Region of Liao River as the target area to verify the performance of the model. The relationships between the water environment and socio-economic systems are presented by clarifying the trends in economic development, water pollutant discharge and water supply and demand during a time horizon from 2011 to 2020. The endogenously-formed optimal set of policies and industrial restructuring simultaneously facilitate the reduction of water pollutant discharge and water consumption and increase the water supply. The extent of the mitigation of water pollution and water scarcity via applied policies and technologies promoted by the subsidies provided by the government are specified, and the mechanism of the policy application and subsidization distribution is explained. This model has applicability for other regions in terms of giving an optimal solution via comprehensive assessment of all of the proposed sustainability-related policies with sufficient data accessibility to achieve regional sustainable development. View Full-Text
Keywords: water pollution control; water availability; input-output analysis; integrated optimization model; policy water pollution control; water availability; input-output analysis; integrated optimization model; policy
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Yang, W.; Song, J.; Higano, Y.; Tang, J. An Integrated Simulation Model for Dynamically Exploring the Optimal Solution to Mitigating Water Scarcity and Pollution. Sustainability 2015, 7, 1774-1797.

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