Water scarcity assessments in the past, present and future

Liu, Junguo and Yang, Hong and Gosling, Simon N. and Kummu, Matti and Flörke, Martina and Pfister, Stephan and Hanasaki, Naota and Wada, Yoshihide and Zhang, Xinxin and Zheng, Chunmiao and Alcamo, Joseph and Oki, Taikan (2017) Water scarcity assessments in the past, present and future. Earth's Future . ISSN 2328-4277

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Abstract

Water scarcity has become a major constraint to socio-economic development and a threat to livelihood in increasing parts of the world. Since the late 1980s, water

scarcity research has attracted much political and public attention. We here review a variety of indicators that have been developed to capture different characteristics of

water scarcity. Population, water availability and water use are the key elements of these indicators. Most of the progress made in the last few decades has been on the

quantification of water availability and use by applying spatially explicit models. However, challenges remain on appropriate incorporation of green water (soil moisture), water quality, environmental flow requirements, globalization and virtual water trade in water scarcity assessment. Meanwhile, inter- and intra- annual variability of water availability and use also calls for assessing the temporal dimension of water scarcity. It requires concerted efforts of hydrologists, economists, social scientists, and environmental scientists to develop integrated approaches to

capture the multi-faceted nature of water scarcity.

Item Type: Article
Keywords: Freshwater resources, green water, water quality, environmental flow requirements, virtual water, water footprint
Schools/Departments: University of Nottingham, UK > Faculty of Social Sciences > School of Geography
Identification Number: 10.1002/2016EF000518
Depositing User: Eprints, Support
Date Deposited: 19 Apr 2017 10:27
Last Modified: 13 Dec 2017 06:04
URI: http://eprints.nottingham.ac.uk/id/eprint/42014

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