Balancing Water Demand Needs with Protection of River Water Quality by Minimising Stream Residence Time: an Example from the Thames, UK

M. G. Hutchins () and M. J. Bowes
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M. G. Hutchins: Centre for Ecology and Hydrology, Maclean Building
M. J. Bowes: Centre for Ecology and Hydrology, Maclean Building

Water Resources Management: An International Journal, Published for the European Water Resources Association (EWRA), 2018, vol. 32, issue 7, No 21, 2568 pages

Abstract: Abstract Freshwater resources in the River Thames basin in southern UK are faced with combined pressures of future population growth and climate change. River basin managers are seeking increasingly innovative methods to meet water demand whilst at the same time maintaining ecological status. Using a river network hydrochemical model modified to account for possible future climate and population, the paper assesses the impact on downstream water quality of changing the location of a major point of abstraction serving the city of Oxford. The rationale behind the hypothetical change, although entailing an increase in energy costs and capital expenditure, was that flows would be maintained along a sensitive stretch of river. Model results at a location a further 23 km downstream suggested that better water quality would arise from this change. The predicted improvements included a decrease in the annual frequency of low DO concentrations (

Keywords: Water quality modelling; Water resources; Abstraction; River Thames; Eutrophication (search for similar items in EconPapers)
Date: 2018
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DOI: 10.1007/s11269-018-1946-0

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