Search Results - "Bowes, M.J."

Spatial and temporal changes in chlorophyll-a concentrations in the River Thames basin, UK: Are phosphorus concentrations beginning to limit phytoplankton biomass? by Bowes, M.J., Gozzard, E., Johnson, A.C., Scarlett, P.M., Roberts, C., Read, D.S., Armstrong, L.K., Harman, S.A., Wickham, H.D.

“…Chlorophyll-a and nutrient concentrations were monitored at weekly intervals across 21 river sites throughout the River Thames basin, southern England, between…”
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Intense summer floods may induce prolonged increases in benthic respiration rates of more than one year leading to low river dissolved oxygen by Hutchins, M.G., Harding, G., Jarvie, H.P., Marsh, T.J., Bowes, M.J., Loewenthal, M.

“…[Display omitted] •Evidence from data analysis and models was used to assess river benthic respiration.•All methods of modelling and analysis showed…”
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Streamwater phosphorus and nitrogen across a gradient in rural–agricultural land use intensity by Jarvie, H.P., Withers, P.J.A., Bowes, M.J., Palmer-Felgate, E.J., Harper, D.M., Wasiak, K., Wasiak, P., Hodgkinson, R.A., Bates, A., Stoate, C., Neal, M., Wickham, H.D., Harman, S.A., Armstrong, L.K.

“…This paper provides an overview of the impacts of rural land use on lowland streamwater phosphorus (P) and nitrogen (N) concentrations and P loads and sources…”
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Linking Soil Erosion to Instream Dissolved Phosphorus Cycling and Periphyton Growth by Brennan, R.B., Scott, J.T., Sharpley, A.N., Lally, H.T., Jarvie, H.P., Bowes, M.J., Haggard, B.E., Gbur, E.

“…Phosphorus (P) is a limiting nutrient in freshwater systems and when present in runoff from agricultural lands or urban centers may contribute to excessive…”
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Are groundwater nitrate concentrations reaching a turning point in some chalk aquifers? by Smith, J.T., Clarke, R.T., Bowes, M.J.

“…In past decades, there has been much scientific effort dedicated to the development of models for simulation and prediction of nitrate concentrations in…”
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Characterising phosphorus and nitrate inputs to a rural river using high-frequency concentration–flow relationships by Bowes, M.J., Jarvie, H.P., Halliday, S.J., Skeffington, R.A., Wade, A.J., Loewenthal, M., Gozzard, E., Newman, J.R., Palmer-Felgate, E.J.

“…The total reactive phosphorus (TRP) and nitrate concentrations of the River Enborne, southern England, were monitored at hourly interval between January 2010…”
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Evaluating diffuse and point source phosphorus inputs to streams in a cold climate region using a load apportionment model by Rattan, K.J., Bowes, M.J., Yates, A.G., Culp, J.M., Chambers, P.A.

“…Variation in the timing and quantity of diffuse versus point-source inputs of phosphorus (P) to streams can be evaluated by examining P concentration-flow…”
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A novel application of remote sensing for modelling impacts of tree shading on water quality by Bachiller-Jareno, N., Hutchins, M.G., Bowes, M.J., Charlton, M.B., Orr, H.G.

“…Uncertainty in capturing the effects of riparian tree shade for assessment of algal growth rates and water temperature hinders the predictive capability of…”
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Identifying multiple stressor controls on phytoplankton dynamics in the River Thames (UK) using high-frequency water quality data by Bowes, M.J., Loewenthal, M., Read, D.S., Hutchins, M.G., Prudhomme, C., Armstrong, L.K., Harman, S.A., Wickham, H.D., Gozzard, E., Carvalho, L.

“…River phytoplankton blooms can pose a serious risk to water quality and the structure and function of aquatic ecosystems. Developing a greater understanding of…”
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Temporal drivers of tryptophan-like fluorescent dissolved organic matter along a river continuum by Harris, N.A., Sorensen, J.P.R., Marchant, B., Old, G.H., Naden, P.S., Bowes, M.J., Scarlett, P.M., Nicholls, D.J.E., Armstrong, L.K., Wickham, H.D., Read, D.S., Lapworth, D., Bond, T., Pond, K.

“…Tryptophan-like fluorescence (TLF) is used to indicate anthropogenic inputs of dissolved organic matter (DOM), typically from wastewater, in rivers. We…”
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A case study: The deployment of a novel in situ fluorimeter for monitoring biological contamination within the urban surface waters of Kolkata, India by Fox, B.G., Thorn, R.M.S., Dutta, T.K., Bowes, M.J., Read, D.S., Reynolds, D.M.

“…The quality and health of many of our vital freshwater systems are poor. To tackle this with ever increasing pressures from anthropogenic and climatic changes,…”
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Characterisation of a major phytoplankton bloom in the River Thames (UK) using flow cytometry and high performance liquid chromatography by Moorhouse, H.L., Read, D.S., McGowan, S., Wagner, M., Roberts, C., Armstrong, L.K., Nicholls, D.J.E., Wickham, H.D., Hutchins, M.G., Bowes, M.J.

“…Recent river studies have observed rapid phytoplankton dynamics, driven by diurnal cycling and short-term responses to storm events, highlighting the need to…”
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Using dissolved organic matter fluorescence to identify the provenance of nutrients in a lowland catchment; the River Thames, England by Old, G.H., Naden, P.S., Harman, M., Bowes, M.J., Roberts, C., Scarlett, P.M., Nicholls, D.J.E., Armstrong, L.K., Wickham, H.D., Read, D.S.

“…Catchment based solutions are being sought to mitigate water quality pressures and achieve multiple benefits but their success depends on a sound understanding…”
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Nutrient and light limitation of periphyton in the River Thames: Implications for catchment management by Bowes, M.J., Ings, N.L., McCall, S.J., Warwick, A., Barrett, C., Wickham, H.D., Harman, S.A., Armstrong, L.K., Scarlett, P.M., Roberts, C., Lehmann, K., Singer, A.C.

“…Soluble reactive phosphorus (SRP) concentrations in the River Thames, south east England, have significantly decreased from an annual maximum of 2100μgl−1 in…”
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Phosphorus fluxes to the environment from mains water leakage: Seasonality and future scenarios by Ascott, M.J., Gooddy, D.C., Lapworth, D.J., Davidson, P., Bowes, M.J., Jarvie, H.P., Surridge, B.W.J.

“…Accurate quantification of sources of phosphorus (P) entering the environment is essential for the management of aquatic ecosystems. P fluxes from mains water…”
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Projections of future deterioration in UK river quality are hampered by climatic uncertainty under extreme conditions by Hutchins, M.G., Williams, R.J., Prudhomme, C., Bowes, M.J., Brown, H.E., Waylett, A.J., Loewenthal, M.

“…A modelling study was undertaken to quantify effects that the climate likely to prevail in the 2050s might have on water quality in two contrasting UK rivers…”
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Physico-chemical factors alone cannot simulate phytoplankton behaviour in a lowland river by Waylett, A.J., Hutchins, M.G., Johnson, A.C., Bowes, M.J., Loewenthal, M.

“…•A river quality model (QUESTOR) was applied in the upper R. Thames (UK) in 2009–11.•Three alternative assumptions representing phytoplankton were tested.•A…”
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Changes in water quality of the River Frome (UK) from 1965 to 2009: Is phosphorus mitigation finally working? by Bowes, M.J., Smith, J.T., Neal, C., Leach, D.V., Scarlett, P.M., Wickham, H.D., Harman, S.A., Armstrong, L.K., Davy-Bowker, J., Haft, M., Davies, C.E.

“…The water quality of the River Frome, Dorset, southern England, was monitored at weekly intervals from 1965 until 2009. Determinands included phosphorus,…”
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Phosphorus–discharge hysteresis during storm events along a river catchment: the River Swale, UK by Bowes, Michael J., House, William A., Hodgkinson, Robin A., Leach, David V.

“…Variations in the concentration of determinands in rivers during storms often result in a hysteresis effect with different concentration during the rising and…”
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Riparian shading controls instream spring phytoplankton and benthic algal growth by Halliday, S J, Skeffington, R A, Wade, A J, Bowes, M J, Read, D S, Jarvie, H P, Loewenthal, M

“…Dissolved oxygen (DO) concentrations showed a striking pattern in a multi-year study of the River Enborne, a small river in SE England. In each of three years…”
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