气候变化领域集成服务门户(CCPortal): Quantity and quality of China's water from demand perspectives

CCPortal

DOI	10.1088/1748-9326/ab4e54
	Quantity and quality of China's water from demand perspectives
	Li X.; Shan Y.; Zhang Z.; Yang L.; Meng J.; Guan D.
发表日期	2019
ISSN	17489318
卷号	14 期号:12
英文摘要	China is confronted with an unprecedented water crisis regarding its quantity and quality. In this study, we quantified the dynamics of China's embodied water use and chemical oxygen demand (COD) discharge from 2010 to 2015. The analysis was conducted with the latest available water use data across sectors in primary, secondary and tertiary industries and input-output models. The results showed that (1) China's water crisis was alleviated under urbanisation. Urban consumption occupied the largest percentages (over 30%) of embodied water use and COD discharge, but embodied water intensities in urban consumption were far lower than those in rural consumption. (2) The 'new normal' phase witnessed the optimisation of China's water use structures. Embodied water use in light-manufacturing and tertiary sectors increased while those in heavy-manufacturing sectors (except chemicals and transport equipment) dropped. (3) Transformation of China's international market brought positive effects on its domestic water use. China's water use (116-80 billion tonnes (Bts))9 and COD discharge (3.95-2.22 million tonnes (Mts)) embodied in export tremendously decreased while its total export values (11-25 trillion CNY) soared. Furthermore, embodied water use and COD discharge in relatively low-end sectors, such as textile, started to transfer from international to domestic markets when a part of China's production activities had been relocated to other developing countries. © 2019 The Author(s). Published by IOP Publishing Ltd.
英文关键词	embodied COD discharge; embodied water use; input-output analysis
语种	英语
scopus关键词	Developing countries; International trade; Manufacture; Water resources; Domestic water use; Input output analysis; International markets; Manufacturing sector; Production activity; Tertiary industries; Transport equipment; Water use; Chemical oxygen demand; chemical oxygen demand; developing world; input-output analysis; quantitative analysis; water demand; water use; China
来源期刊	Environmental Research Letters
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/154329
作者单位	Department of Mathematics, Southern University of Science and Technology, Shenzhen, 518055, China; School of International Development, University of East Anglia, Norwich, NR4 TJ7, United Kingdom; Energy and Sustainability Research Institute Groningen, University of Groningen, Groningen, 9747 AG, Netherlands; School of Environmental Science and Engineering, Southern University of Science and Technology, Shenzhen, 518055, China; School of Business and Economics, Loughborough University, Leicestershire, LE11 3TU, United Kingdom; Bartlett School of Construction and Project Management, University of College London, London, WC1E 7HB, United Kingdom; Department of Earth Systems Sciences, Tsinghua University, Beijing, 10080, China
推荐引用方式 GB/T 7714	Li X.,Shan Y.,Zhang Z.,et al. Quantity and quality of China's water from demand perspectives[J],2019,14(12).
APA	Li X.,Shan Y.,Zhang Z.,Yang L.,Meng J.,&Guan D..(2019).Quantity and quality of China's water from demand perspectives.Environmental Research Letters,14(12).
MLA	Li X.,et al."Quantity and quality of China's water from demand perspectives".Environmental Research Letters 14.12(2019).