Impacts of climate change scenarios on dissolved oxygen in the River Thames, UK
Cox, B. A. and Whitehead, P. G. (2009) Impacts of climate change scenarios on dissolved oxygen in the River Thames, UK. Hydrology Research, 40 (2-3). pp. 138-152. ISSN 0029-1277
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To link to this article DOI: 10.2166/nh.2009.096
A water quality model is used to assess the impact of possible climate change on dissolved oxygen (DO) in the Thames. The Thames catchment is densely populated and, typically, many pressures are anthropogenic. However, that same population also relies on the river for potable water supply and as a disposal route for treated wastewater. Thus, future water quality will be highly dependent on future activity. Dynamic and stochastic modelling has been used to assess the likely impacts on DO dynamics along the river system and the probability distributions associated with future variability. The modelling predictions indicate that warmer river temperatures and drought act to reduce dissolved oxygen concentrations in lowland river systems