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Modelling water scarcity across Europe in terms of water quantity and quality

Dumont, Egon; Williams, Richard; Keller, Virginie; Folwell, Sonja. 2010 Modelling water scarcity across Europe in terms of water quantity and quality. In: Proceedings of the British Hydrological Society’s Third International Symposium, ‘Role of Hydrology in Managing the Consequences of a Changing Global Environment’, Newcastle University, Newcastle upon Tyne, 19-23 July 2010. British Hydrological Society.

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Abstract/Summary

The need for integrated and sustainable water resources management has become an important driver behind large-scale gridded modelling. Such modelling has traditionally focused on water quantity. However, reduced water quality can also limit water resources, particularly for drinking water. The water availability model GWAVA has been further developed to include a water quality module. This module will initially focus on biochemical oxygen demand (BOD). The module considers drivers of BOD loading from land, such as agriculture and urban runoff, and transport and loss of BOD through sewage treatment and river networks. In an exploratory assessment, GWAVA was used to produce maps of water scarcity across Europe. The new module enhanced those maps with effects of BOD on water resources. This enhancement increased the modelled proportion of Europe experiencing water scarcity, which indicates that it is important to include both water quantity and quality in model estimates of water scarcity.

Item Type: Publication - Conference Item (Paper)
Programmes: CEH Topics & Objectives 2009 onwards > Water > WA Topic 3 - Science for Water Management > WA - 3.2 - Assessment of available water resources in a changing world ...
CEH Sections: Boorman
Additional Information. Not used in RCUK Gateway to Research.: Complete proceedings are available from BHS via the Official URL. Note: very large file 43MB
NORA Subject Terms: Hydrology
Date made live: 04 Nov 2011 14:18
URI: http://nora.nerc.ac.uk/id/eprint/14147

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