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Research

Dr Sami Ullah

Formerly at Lancaster University

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  1. Conference paper
  2. Published

    Passive pore water sampling provides evidence of suppression of hyporheic exchange and ntrate transformation in a groundwater-fed river

    Byrne, P., Zhang, H., Heathwaite, L., Binley, A., Ullah, S., Kaeser, D., Heppell, C. M., Lansdown, K. & Trimmer, M., 2013. 8 p.

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

  3. Published

    Direct evidence of lateral hyporheic flows revealed through single well tracer dilution tests

    Binley, A. M., Ullah, S., Lansdown, K., Heathwaite, A. L. & Kaeser, D., 2010.

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

  4. Published

    Environmental controls on groundwater- surface water mixing and nitrogen biogeochemistry in the hyporheic zone of a gravel bed river

    Lansdown, K., Heppell, C. M., Ullah, S., Heathwaite, A. L., Trimmer, M., Heaton, T. & Binley, A. M., 2010.

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

  5. 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

  6. Published

    Spatial Variability of Redox Sensitive Chemical Species in the Hyporheic Zone of a Groundwater-fed River in Cumbria, UK

    Ullah, S., Heathwaite, A. L., Zhang, H., Lansdown, K. & Heppell, C. M., 2010.

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

  7. 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

  8. Journal article
  9. Published

    Diffusive equilibrium in thin films provides evidence of suppression of hyporheic exchange and large-scale nitrate transformation in a groundwater-fed river

    Byrne, P., Zhang, H., Ullah, S., Binley, A., Heathwaite, L., Heppell, C. M., Lansdown, K. & Trimmer, M., 15/03/2015, In: Hydrological Processes. 29, 6, p. 1385-1396 12 p.

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

  10. 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

  11. Published

    Fine-scale in situ measurement of riverbed nitrate production and consumption in an armored permeable riverbed

    Lansdown, K., Heppell, C. M., Dossena, M., Ullah, S., Heathwaite, A. L., Binley, A., Zhang, H. & Trimmer, M., 15/04/2014, In: Environmental Science and Technology. 48, 8, p. 4425-4434 10 p.

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

  12. Published

    Influence of emergent vegetation on nitrate cycling in sediments of a groundwater-fed river

    Ullah, S., Zhang, H., Heathwaite, A. L., Heppell, C., Lansdown, K., Binley, A. & Trimmer, M., 04/2014, In: Biogeochemistry. 118, 1-3, p. 121-134 14 p.

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

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