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Continuous monitoring to assess phosphorus dynamics and ecological status in the River Kennet, UK

Sutton, Elizabeth J.; Jarvie, Helen P.; Williams, Richard J.. 2007 Continuous monitoring to assess phosphorus dynamics and ecological status in the River Kennet, UK. In: Heckrath, Goswin; Rubaek, Gitte H.; Kronvang, Brian, (eds.) Diffuse Phosphorus Loss. Risk assessment, mitigation options and ecological effects in river basins. Aarhus, Denmark, National Environment Research Institute, University of Aarhus, 59-61, 3pp. (DJF Plant Science, 130).

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Abstract/Summary

Introduction The links between ecological status of lowland rivers and diffuse and point-source nutrient inputs are of key scientific importance under the EU Water Framework Directive (WFD) (EU, 2000). Many previous studies on the sources and effects of phosphorus in rivers have been based on weekly, storm event or even monthly sampling. However phosphorus concentrations are sensitive to a wide range of shortterm dynamics and diurnal cycles that are not captured by conventional sampling programmes. Hence phosphorus loads may be under estimated and valuable information about the variability in P concentrations and links with in-stream processes and ecology may be missed. In this study, we use in-situ ‘continuous’ (hourly) measurements of total reactive phosphorus (TRP; unfiltered molybdatereactive P), chlorophyll, dissolved oxygen (DO), conductivity, turbidity and flow to examine dynamics in P concentrations and sources and ecological status for the River Kennet, a lowland chalk river in south east England.

Item Type: Publication - Book Section
Programmes: CEH Programmes pre-2009 publications > Water > WA02 Quantifying processes that link water quality and quantity, biota and physical environment > WA02.2 Hydrochemical and sediment processes
CEH Programmes pre-2009 publications > Water > WA03 Developing strategic data and knowledge at a catchment scale to enable the wiser management of the water environment > WA03.3 Catchment scale modelling and assessment
CEH Sections: _ Water Quality
ISBN: 8791949203
Additional Information. Not used in RCUK Gateway to Research.: The book of abstracts for the conference was published as a special issue of DJF Plant Science. No 130. The proceedings of this conference can be viewed on the conference website http://web.agrsci.dk/ipw5/
Additional Keywords: phosphorous, load, catchment, River Kennet
NORA Subject Terms: Agriculture and Soil Science
Biology and Microbiology
Ecology and Environment
Hydrology
Date made live: 24 Nov 2016 12:23 +0 (UTC)
URI: http://nora.nerc.ac.uk/id/eprint/515239

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