Sami Ullah

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Publications

  1. Published

    Seasonal variability of sediment controls of carbon cycling in an agricultural stream

    Sophie Comer-Warner, Sami Ullah, Nicholas Kettridge & Stefan Krause, 20 Oct 2019, In: Science of the Total Environment. 688, p. 732-741 10 p.

    Research output: Contribution to journal › Article › peer-review

  2. Published

    Seasonal variability of sediment controls of nitrogen cycling in an agricultural stream

    Sophie Comer-Warner, Sami Ullah, Nicholas Kettridge & Stefan Krause, Mar 2020, In: Biogeochemistry. 148, 1, p. 31-48 18 p.

    Research output: Contribution to journal › Article › peer-review

  3. Published

    Simultaneous detection of ammonium and nitrate in environmental samples using on ion-selective electrode and comparison with portable colorimetric assays

    Sami Ullah, 19 Oct 2018, In: Sensors (Switzerland). 18, 10

    Research output: Contribution to journal › Article › peer-review

  4. Published

    Single strip solid contact ion selective electrodes on a pencil-drawn electrode substrate

    Sami Ullah, 2017, In: Analytical Methods. 9, 7, p. 1213-1220 8 p.

    Research output: Contribution to journal › Article › peer-review

  5. Published

    Soil greenhouse gas fluxes, environmental controls and the partitioning of N2O sources in UK natural and semi-natural land use types.

    Sami Ullah, 25 Sep 2017, In: Journal of Geophysical Research: Biogeosciences.

    Research output: Contribution to journal › Article › peer-review

  6. Published

    Streambed organic matter controls on carbon dioxide and methane emissions from streams

    Sophie Comer-Warner, Sami Ullah, David Hannah & Stefan Krause, 5 Mar 2019, In: Environmental Science and Technology. 53, 5, p. 2364-2374 11 p.

    Research output: Contribution to journal › Article › peer-review

  7. Published

    The method controls the story - Sampling method impacts on the detection of pore-water nitrogen concentrations in streambeds

    Sophie Comer-Warner, Phillip Blaen, Megan Klaar, Sami Ullah, Nicholas Kettridge, Sandy Milner & 2 others, David Hannah & Stefan Krause, 20 Mar 2020, In: Science of the Total Environment. 709, 19 p., 136075.

    Research output: Contribution to journal › Review article › peer-review

  8. Published

    Thermal sensitivity of CO2 and CH4 emissions varies with streambed sediment properties

    Sophie Comer-Warner, Sami Ullah, Nicholas Kettridge, David Hannah & Stefan Krause, 18 Jul 2018, In: Nature Communications. 9, 1, 2803.

    Research output: Contribution to journal › Article › peer-review

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