Projects per year
Personal profile
Research interests
My previous research formed part of the Hampshire Avon Demonstration Test Catchment (DTC) Project, specifically working in the data analysis and statistical uncertainty team.
The DTC is a joint DEFRA, Environmental Agency and Welsh Assembly Government project where the principle aim is to test the hypothesis that it is possible to reduce cost-effectively the impact of agricultural diffuse water pollution on ecological function while maintaining sustainable food production through the implementation of multiple on-farm mitigation measures. The DTC project aims to achieve this by detecting shifts in baseline trend of the most ecologically-significant pollutants resulting from targeted on-farm measures at field to farm scales and assessing their effects on ecosystem function.
My work focused on examining the uncertainties associated with the monitoring data and testing statistical techniques for comparing datasets generated from the Hampshire Avon DTC. My project used statistical techniques to evaluate data and to investigate changes in baseline trends in the monitored parameters as well as to address questions regarding the necessary spatial and temporal resolutions of data for robustly detecting such changes.
Research interests
My current research forms part of the NERC-funded DOMAINE project (Dissolved Organic MAtter IN freshwater Ecosystems), which aims to characterise the nature, origins and ecological significance of dissolved organic matter in freshwater ecosystems.
We believe that a molecular level approach is required to fully quantify functional pool sizes and to truly understand the fate and ecological significance of organic nutrients in freshwaters. As a result, the main focus of my work is to address the following research questions:
- How can we quantify the magnitude and character of the DOC, DON and DOP pools instream?
- How do they vary in relation to source character?
- Are there seasonal or hydromorphological effects?
- How does it compare with inorganic nutrient flux behaviour?
- How does DOM interact with microbial activity and biological production?
- How does DOM influence rates of photodegradation and primary production?
Structured keywords and research groupings
- Cabot Institute Water Research
- Cabot Institute Natural Hazards and Disasters Research
- Cabot Institute Environmental Change Research
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Projects
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DOMAINE: Characterisation of the nature, origins and ecological significance of dissolved organic matter in freshwater ecosystems
Johnes , P. J., Evershed, R. P., Jones, D., Maberly, S., Jickells, T., Yates, C. A., Lloyd, C. E. M., Glanville, H., Mackay, E., Harrison, R. V., Bayliss, C. E., Pemberton, J., Reay, M. K. M., Brailsford, F., Mcintyre, C. A., Owen, A. T., Hopes, M., Evans, C., Fenner, N., Golyshin, P., Ferrer, M., Marshall, M. & Cooper, D.
1/04/14 → 31/12/19
Project: Research
Research Output
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Methods for detecting change in hydrochemical time series in response to targeted pollutant mitigation in river catchments.
Lloyd, C. E. M., Freer, J. E., Johnes, P. J., Collins, A. & Jones, I., 2014, In : Journal of Hydrology. 514, p. 297–312Research output: Contribution to journal › Article (Academic Journal)
28 Citations (Scopus) -
Determining the sources of nutrient flux to water in headwater catchments: Examining the speciation balance to inform the targeting of mitigation measures
Lloyd, C., Johnes, P., Freer, J., Carswell, A., Jones, J. I., Stirling, M. W., Hodgkinson, R. A., Richmond, C. & Collins, A. L., 15 Jan 2019, In : Science of The Total Environment. 648, p. 1179-1200 22 p.Research output: Contribution to journal › Article (Academic Journal)
Open AccessFile -
Identification and quantification of myo-inositol hexakisphosphate in complex biological and environmental matrices using ion chromatography and high-resolution mass spectrometry in comparison to 31P NMR spectroscopy
McIntyre, C. A., Arkell, J. J. L., Arthur, C. J., Lawrence, P. G., Butts, C. P., Lloyd, C. E. M., Johnes, P. J. & Evershed, R. P., 31 Jul 2019, In : Talanta. 120188.Research output: Contribution to journal › Article (Academic Journal)
Activities
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Sensor Data Collection and Management in Freshwater Systems
Charlotte E M Lloyd (Speaker)
22 May 2014Activity: Participating in or organising an event types › Invited talk
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12th International Symposium on the Interactions between Sediments and Water
Charlotte E M Lloyd (Speaker)
19 Jun 2011 → 23 Jun 2011Activity: Participating in or organising an event types › Participation in conference
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Farming Futures, South West Climate Change Trade Fair
Charlotte E M Lloyd (Contributor)
24 Feb 2010Activity: Talk or presentation types › Festival, exhibition, performance