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Research

Dr Patrick Keenan

Formerly at Lancaster University

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  1. Conference contribution/Paper
  2. Published

    In-stream phosphorus dynamics from high temporal sampling in the River Leith, Cumbria, UK.

    Mullinger, N., Heathwaite, A. L., Keenan, P. O. & Zhang, H., 2010, Proceedings of the British Hydrological Society 3rd International Symposium.

    Research output: Contribution in Book/Report/Proceedings - With ISBN/ISSN › Conference contribution/Paper › peer-review

  3. Conference paper
  4. Published

    Reach Scale Variability in Vertical Hydraulic Gradients in the Hyporheic Zone of a Groundwater-fed River in Cumbria, UK.

    Ullah, S., Binley, A. M., Heathwaite, A. L., Lansdown, K., Heppell, C. M., Trimmer, M., Mullinger, N., Keenan, P. O. & Zhang, H., 2010.

    Research output: Contribution to conference - Without ISBN/ISSN › Conference paper

  5. Published

    Application of in-situ passive samplers for the investigation of the impacts of vegetated river beds on mineral N concentration gradients in the hyporheic zone

    Ullah, S., Zhang, H., Heathwaite, A. L., Lansdown, K., Heppell, C. M., Binley, A. M., Trimmer, M. & Keenan, P. O., 2010.

    Research output: Contribution to conference - Without ISBN/ISSN › Conference paper › peer-review

  6. Journal article
  7. Published

    Modelling lake cyanobacterial blooms: disentangling the climate-driven impacts of changing mixed depth and water temperature

    Gray, E., Elliott, A., MacKay, E. B., Keenan, P., Folkard, A. & Jones, I., 1/12/2019, In: Freshwater Biology. 64, 12, p. 2141-2155 15 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  8. Published

    Long-term macronutrient stoichiometry of UK ombrotrophic peatlands

    Schillereff, D. N., Boyle, J., Toberman, H., Adams, J. L., Bryant, C. L., Chiverrell, R. C., Helliwell, R. C., Keenan, P. O., Lilly, A. & Tipping, E. W., 1/12/2016, In: Science of the Total Environment. 572, p. 1561-1572 12 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  9. Published

    Control of river stage on the reactive chemistry of the hyporheic zone

    Byrne, P., Binley, A., Heathwaite, L., Ullah, S., Heppell, C. M., Lansdown, K., Zhang, H., Trimmer, M. & Keenan, P., 15/08/2014, In: Hydrological Processes. 28, 17, p. 4766-4779 14 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  10. Published

    Interpreting spatial patterns in redox and coupled water–nitrogen fluxes in the streambed of a gaining river reach

    Heppell, C. M., Heathwaite, A. L., Binley, A., Byrne, P., Ullah, S., Lansdown, K., Keenan, P., Trimmer, M. & Zhang, H., 03/2014, In: Biogeochemistry. 117, 2-3, p. 491-509 19 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  11. Published

    Understanding nutrient biogeochemistry in agricultural catchments: the challenge of appropriate monitoring frequencies

    Bieroza, M., Heathwaite, L., Mullinger, N. & Keenan, P., 2014, In: Environmental Science: Processes and Impacts. 16, 7, p. 1676-1691 16 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  12. Published

    Determining E. coli burden on pasture in a headwater catchment: combined field and modelling approach

    Oliver, D., Page, T., Zhang, T., Heathwaite, L., Beven, K., Carter, H., McShane, G., Keenan, P. & Haygarth, P., 08/2012, In: Environment International. 43, p. 6-12 7 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  13. Published

    Nitrate concentration changes along the groundwater–surface water interface of a small Cumbrian river.

    Krause, S., Heathwaite, A. L., Binley, A. B. & Keenan, P., 15/07/2009, In: Hydrological Processes. 23, 15, p. 2195-2211 17 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  14. Published

    The GreenScreen genotoxicity assay : a screening validation programme.

    Cahill, P. A., Knight, A. W., Billinton, N., Barker, M. G., Walsh, L., Keenan, P. O., Williams, C. V., Tweats, D. J. & Walmsley, R. M., 03/2004, In: Mutagenesis. 19, 2, p. 105-119 15 p.

    Research output: Contribution to Journal/Magazine › Journal article

  15. Published

    Results of a technology demonstration project to compare rapid aquatic toxicity screening tests in the analysis of industrial effluents.

    Daniel, M., Sharpe, A., Driver, J., Knight, A. W., Keenan, P. O., Walmsley, R. M., Robinson, A., Zhang, T. & Rawson, D., 2004, In: Soil Use and Management. 6, p. 855-865 11 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  16. Published

    A yeast-based cytotoxicity and genotoxicity assay for environmental monitoring using novel portable instrumentation.

    Knight, A. W., Keenan, P. O., Goddard, N. J., Fielden, P. R. & Walmsley, R. M., 2004, In: Journal of Environmental Monitoring. 6, 1, p. 71-79 9 p.

    Research output: Contribution to Journal/Magazine › Journal article

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