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Research

Dr Sami Ullah

Formerly at Lancaster University

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  1. Published

    Revealing the spatial variability of water fluxes at the groundwater-surface water interface

    Binley, A., Ullah, S., Heathwaite, L., Heppell, C. M., Byrne, P., Lansdown, K., Trimmer, M. & Zhang, H., 07/2013, In: Water Resources Research. 49, 7, p. 3972-3992 15 p.

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

  2. 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

  3. 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

  4. 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

  5. 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

  6. Published

    Nitrous oxide consumption potentials of well-drained forest soils in Southern Québec, Canada.

    Frasier, R., Ullah, S. & Moore, T. R., 18/01/2010, In: Geomicrobiology Journal. 27, 1, p. 53-60 8 p.

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

  7. 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

  8. Published

    Characterization of the key pathways of dissimilatory nitrate reduction and their response to complex organic substrates in hyporheic sediments

    Lansdown, K., Trimmer, M., Heppell, C. M., Sgouridis, F., Ullah, S., Heathwaite, L., Binley, A. & Zhang, H., 03/2012, In: Limnology and Oceanography. 57, 2, p. 387-400 14 p.

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

  9. 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

  10. 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

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