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Evolution of virtual water metabolic network in developing regions: A case study of Guangdong province

He, Chengyu, Huang, Guohe, Liu, Lirong, Xu, Xinli and Li, Yongping (2019) Evolution of virtual water metabolic network in developing regions: A case study of Guangdong province Ecological Indicators, 108, 105750.

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Rapid urbanization has challenged the utilization and the circulation of water, especially in rapidly developing regions. It is necessary to disaggregate virtual water metabolic networks (VWMN) in representative areas, and examine their relevant dynamics to sustain regional development. In this study, the VWMN of Guangdong Province, China is developed to explore the ecological relationships between pairwise components and identify the ecological hierarchy structure of VWMN. Particularly, the structural analysis of VWMN is optimized and two indicators are proposed in this study. The integral virtual water recycling index (IVWRI) enable to reveal the extent that components are benefited from the existence of the VWEN and the integral virtual water productivity (IVWP) can identify economic output per unit integral virtual water utilization of each component. The results indicate that the tertiary industry fails to promote the development of its upstream industries, and the integral virtual water productivity of this industry is declining. Technology upgrading of manufacturing industry and steady import of primary products are imperative. Moreover, petroleum, coking, nuclear-fuel and construction industries are key components that clog the studied VWMN. This research provides scientific support for the robust development of VWMN, particularly in alleviating water scarcity and promoting sustainable regional development.

Item Type: Article
Divisions : Faculty of Engineering and Physical Sciences > Centre for Environment and Sustainability
Authors :
He, Chengyu
Huang, Guohe
Xu, Xinli
Li, Yongping
Date : 23 September 2019
Funders : National Key Research and Development Plan, Natural Sciences Foundation, 111 Program, Natural Science and Engineering Research Council of Canada
DOI : 10.1016/j.ecolind.2019.105750
Grant Title : National Key Research and Development Plan
Copyright Disclaimer : © 2019 Elsevier Ltd. All rights reserved.
Uncontrolled Keywords : Urban metabolism; Integral effect indexes; Virtual water; Ecological network analysis; Input-output model;
Additional Information : Embargo OK Metadata OK No Further Action
Depositing User : James Marshall
Date Deposited : 14 Jul 2020 09:04
Last Modified : 14 Jul 2020 09:04

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