Abstract
Water shortage and water pollution are important factors restricting sustainable social and economic development. As a typical coal resource-exhausted city and a node city of the South-to-North Water Transfer East Route Project in China, Zaozhuang City’s water resources management faces multiple constraints such as transformation of economic development, restriction of groundwater exploitation, and improvement of water environment. In this paper, we develop a linear optimization model by input–output analysis to study water resources management with the introduction of three advanced sewage treatment technologies for pollutant treatment and reclaimed water production. The simulation results showed that from 2014 to 2020, Zaozhuang City will realize an annual GDP growth rate of 7.1% with an annual chemical oxygen demand (COD) emissions reduction rate of 5.5%. The proportion of primary industry, secondary industry, and tertiary industry would be adjusted to 5.6%, 40.8%, and 53.6%, respectively. The amount of reclaimed water supply could be increased by 91% and groundwater supply could be decreased by 6%. Based on the simulation, this model proposes a scientific reference on water resources management policies, including water environment control, water supply plan, and financial subsidy, to realize the sustainable development of economy and water resources usage.
Highlights
With the growing population and increasing industrialization, water shortage and water pollution have become critical restricting factors against regional development where fresh water is demanded by increasing numbers of parties [1]; water resources management is becoming quite a complex problem, involving economic activities, households, and the ecological system [2]
Reclaimed water production and pollutants emission reduction depended on three advanced sewage treatment technologies that were adopted in the water environment sub‐model
Reclaimed water production and pollutants emission reduction depended on three advanced sewage treatment technologies that were adopted in the water environment sub-model
Summary
With the growing population and increasing industrialization, water shortage and water pollution have become critical restricting factors against regional development where fresh water is demanded by increasing numbers of parties [1]; water resources management is becoming quite a complex problem, involving economic activities, households, and the ecological system [2]. An effective water resources management program should ensure the balance of supply and demand in water allocation, improve water quality and aquatic environment, and promote economic and socially sustainable development [5]. Game theory and mathematical programming theory are two effective methods for water resources management research. Game theory can reflect the behaviors of the involved parties and provide a framework for adopting a coalition strategy or subcoalition strategy when water conflicts arise [8], most of this research focused on the transboundary water management and pollutant reductions or the share of emission reductions for different players.
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