Search Results - "Lloyd, C E M"

Technical Note: Testing an improved index for analysing storm discharge–concentration hysteresis by Lloyd, C. E. M, Freer, J. E, Johnes, P. J, Collins, A. L

“…Analysis of hydrochemical behaviour during storm events can provide new insights into the process controls on nutrient transport in catchments. The examination…”
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High-frequency monitoring of nitrogen and phosphorus response in three rural catchments to the end of the 2011–2012 drought in England by Outram, F. N, Lloyd, C. E. M, Jonczyk, J, Benskin, C. McW. H, Grant, F, Perks, M. T, Deasy, C, Burke, S. P, Collins, A. L, Freer, J, Haygarth, P. M, Hiscock, K. M, Johnes, P. J, Lovett, A. L

“…This paper uses high-frequency bankside measurements from three catchments selected as part of the UK government-funded Demonstration Test Catchments (DTC)…”
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Discharge and nutrient uncertainty: implications for nutrient flux estimation in small streams by Lloyd, C. E. M., Freer, J. E., Johnes, P. J., Coxon, G., Collins, A. L.

“…The measurement of discharge is fundamental in nutrient load estimation. Because of our ability to monitor discharge routinely, it is generally assumed that…”
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Runoff- and erosion-driven transport of cattle slurry: linking molecular tracers to hydrological processes by Lloyd, C E M, Michaelides, K, Chadwick, D R, Dungait, J A J, Evershed, R P

“…The addition of cattle slurry to agricultural land is a widespread practise, but if not correctly managed it can pose a contamination risk to aquatic…”
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Using hysteresis analysis of high-resolution water quality monitoring data, including uncertainty, to infer controls on nutrient and sediment transfer in catchments by Lloyd, C.E.M., Freer, J.E., Johnes, P.J., Collins, A.L.

“…A large proportion of nutrients and sediment is mobilised in catchments during storm events. Therefore understanding a catchment's hydrological behaviour…”
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Characterisation of riverine dissolved organic matter using a complementary suite of chromatographic and mass spectrometric methods by Lloyd, C. E. M., Mena-Rivera, L. A., Pemberton, J. A., Johnes, P. J., Jones, D. L., Yates, C. A., Brailsford, F. L., Glanville, H. C., McIntyre, C. A., Evershed, R. P.

“…Dissolved organic matter (DOM) plays a fundamental role in nutrient cycling dynamics in riverine systems. Recent research has confirmed that the concentration…”
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Sampling, storage and laboratory approaches for dissolved organic matter characterisation in freshwaters: Moving from nutrient fraction to molecular-scale characterisation by Lloyd, C.E.M., Johnes, P.J., Pemberton, J.A., Yates, C.A., Jones, D., Evershed, R.P.

“…Recent research has highlighted the importance of dissolved organic matter (DOM) for ecosystem function and because of this paradigm shift, it has become…”
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Determining the sources of nutrient flux to water in headwater catchments: Examining the speciation balance to inform the targeting of mitigation measures by Lloyd, C.E.M., Johnes, P.J., Freer, J.E., Carswell, A.M., Jones, J.I., Stirling, M.W., Hodgkinson, R.A., Richmond, C., Collins, A.L.

“…Diffuse water pollution from agriculture (DWPA) is a major environmental concern, with significant adverse impacts on both human and ecosystem health. However,…”
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Methods for detecting change in hydrochemical time series in response to targeted pollutant mitigation in river catchments by Lloyd, C.E.M., Freer, J.E., Collins, A.L., Johnes, P.J., Jones, J.I.

“…•Highlights principle data issues for change detection in hydrochemistry.•An extensive assessment of detection methods and their assumptions is…”
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High-frequency monitoring reveals seasonal and event-scale water quality variation in a temporally frozen river by Kämäri, M., Tattari, S., Lotsari, E., Koskiaho, J., Lloyd, C.E.M.

“…[Display omitted] •River ice-cover decreases turbidity compared to summer or autumn baseflows.•Organic matter was predominantly flushing from the mixed…”
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Discharge and nutrient uncertainty: implications for nutrient flux estimation in small streams: Discharge and Nutrient Uncertainty: Implications for Nutrient Fluxes by Lloyd, C. E. M., Freer, J. E., Johnes, P. J., Coxon, G., Collins, A. L.

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Hydrological controls on DOC  :  nitrate resource stoichiometry in a lowland, agricultural catchment, southern UK by Heppell, Catherine M, Binley, Andrew, Trimmer, Mark, Darch, Tegan, Jones, Ashley, Malone, Ed, Collins, Adrian L, Johnes, Penny J, Freer, Jim E, Lloyd, Charlotte E. M

“…The role that hydrology plays in governing the interactions between dissolved organic carbon (DOC) and nitrogen in rivers draining lowland, agricultural…”
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British Food Control by Lloyd, C. E. M.

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