Groundwater resource modelling for public water supply management in London

Jones, M.A.; Hughes, A.G.; Jackson, C.R.; van Wonderen, J.J.. 2012 Groundwater resource modelling for public water supply management in London. In: Shepley, M.G.; Whiteman, M.I.; Hulme, P.J.; Grout, M.W., (eds.) Groundwater resources modelling : a case study from the UK. Geological Society of London, 99-111. (Geological Society Special Publications, 364).

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Abstract/Summary

In London, groundwater abstractions for public supply are predominantly from the Chalk aquifer. However, water resource pressures put existing abstractions at risk and often require complex analysis to support new source development. Thames Water develops and uses regional groundwater models for such analysis to support communication with stakeholders such as the Environment Agency, the environmental regulator of England and Wales. Using two case studies, the importance of regional models as Thames Water assets is demonstrated. While Thames Water has developed regional models as a context for sub-catchment scale analysis of groundwater source development, they are subsequently used to address other issues. As a result, the models are updated regularly, enhancing both conceptual understanding and calibration. These models cost less than 1% of the capital cost of new water source schemes. However, as they are enhanced and applied more widely, the models accrue further value as active decision support tools. Regional model usage to investigate a range of local systems and interactions is of particular value to Thames Water. In this regard, it is important to appreciate and promote the clarity and consistency generated when stakeholder-specific issues can be analysed within an agreed regional model framework.

Item Type:	Publication - Book Section
Digital Object Identifier (DOI):	https://doi.org/10.1144/​SP364.8
Programmes:	BGS Programmes 2010 > Groundwater Science
ISBN:	9781862393448
Additional Keywords:	GroundwaterBGS, Groundwater, Groundwater modelling
NORA Subject Terms:	Earth Sciences Hydrology
Related URLs:	http://www.bgs.ac.uk/research/groundwate...
Date made live:	15 Aug 2012 10:25 +0 (UTC)
URI:	https://nora.nerc.ac.uk/id/eprint/18989

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