期刊
HYDROLOGY RESEARCH
卷 40, 期 2-3, 页码 138-152出版社
IWA PUBLISHING
DOI: 10.2166/nh.2009.096
关键词
climate change; dissolved oxygen; model; River Thames; water quality
资金
- NERC/Environment Agency [GT2/97/3/EA]
- Environment Agency
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.
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