Journal cover Journal topic
Earth System Science Data The Data Publishing Journal
https://doi.org/10.5194/essd-2017-139
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.
Review article
02 Jan 2018
Review status
This discussion paper is a preprint. It is a manuscript under review for the journal Earth System Science Data (ESSD).
Weekly water quality monitoring data for the River Thames (UK) and its major tributaries (2009–2013): The Thames Initiative research platform
Michael J. Bowes, Linda K. Armstrong, Sarah A. Harman, Heather D. Wickham, Peter M. Scarlett, Colin Roberts, Helen P. Jarvie, Gareth Old, Emma Gozzard, Nuria Bachiller-Janeno, and Daniel Read Centre for Ecology & Hydrology, Benson Lane, Crowmarsh Gifford, Wallingford, Oxfordshire, OX10 8BB, UK
Abstract. The River Thames and 15 of its major tributaries have been monitored at weekly intervals since March 2009. Monitored determinands include major nutrient fractions, anions, cations, metals, pH, alkalinity and chlorophyll a., and linked to mean daily river flows at each site. This catchment-wide biogeochemical monitoring platform captures changes in the water quality of the Thames basin during a period of rapid change, related to increasing pressures (due to a rapidly growing human population, increasing water demand and climate change) and improvements in sewage treatment processes and agricultural practises. The platform provides the research community with a valuable data and modelling resource for furthering our understanding of pollution sources and dynamics, and interactions between water quality and aquatic ecology. Comparing Thames Initiative data with previous (non-continuous) monitoring data sets from many common study sites, dating back to 1997, has shown that there have been major reductions is phosphorus concentrations at most sites, occurring at low river flow, and these are principally due to reduced loadings from sewage treatment works. This ongoing monitoring programme will provide the vital underpinning environmental data required to best manage this vital drinking water resource, which is key for the sustainability of the city of London and the wider UK economy. The Thames Initiative data set is freely available from the Centre for Ecology & Hydrology's Environmental Information Data Centre at doi:10.5285/e4c300b1-8bc3-4df2-b23a-e72e67eef2fd.

Citation: Bowes, M. J., Armstrong, L. K., Harman, S. A., Wickham, H. D., Scarlett, P. M., Roberts, C., Jarvie, H. P., Old, G., Gozzard, E., Bachiller-Janeno, N., and Read, D.: Weekly water quality monitoring data for the River Thames (UK) and its major tributaries (2009–2013): The Thames Initiative research platform, Earth Syst. Sci. Data Discuss., https://doi.org/10.5194/essd-2017-139, in review, 2018.
Michael J. Bowes et al.
Michael J. Bowes et al.

Data sets

Weekly water quality data from the River Thames and its major tributaries (2009-2013) [CEH Thames Initiative]
M. Y. Bowes, L. K. Armstrong, H. D. Wickham, S. A. Harman, E. Gozzaqrd, C. Roberts, and P. M. Scarlett
https://doi.org/10.5285/e4c300b1-8bc3-4df2-b23a-e72e67eef2fd
Michael J. Bowes et al.

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Short summary
The water quality of the River Thames (UK) and its major tributaries have been monitored at weekly intervals since 2009. This monitoring captures changes in the water quality during a period of rapid change, related to increasing pressures (due to growing human population, increasing water demand and climate change) and improvements in sewage treatment and agricultural practices. This study has shown that improvements in water quality have been principally due to sewage treatment improvements.
The water quality of the River Thames (UK) and its major tributaries have been monitored at...
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