Search Results - Water Nitrate context

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  1. Wintertime nitrate isotope dynamics in the Atlantic sector of the Southern Ocean by Smart, Sandi

    Published 2014
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    Thesis
  2. Analysis of the quantity and cost of modelled nitrate deposition to the Vaal River from power station emissions with insights for cost-benefit analysis and policy recommendations by Ras, Anna

    Published 2020
    “…However, no studies similar to this have been done for the South African context. The aim of the study was to present a cost analysis of nitrate deposition originating from power station NOx emissions. …”
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    Thesis
  3. Nitrogen cycling in the South Atlantic and South Indian Oceans investigated using nitrate isotopes: implications for nutrient supply, ocean fertility, carbon export, and climate by Marshall, Tanya

    Published 2024
    “…Here, thermocline nitrate 15N is low and N:P is high relative to the underlying source water and the western tropical basin thermocline. …”
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    Thesis
  4. Solution combustion catalysts for the water-gas shift reaction by Van Der Merwe, Marianne Werle

    Published 2019
    “…In the context of a growing world population, more sustainable solutions for energy generation are required. …”
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    Thesis
  5. An analysis of nature-based treatment processes for cleaning contaminated surface water runoff from an informal settlement: a case study of the Stiebeuel River catchment, Franschho... by Nicklin, Emily

    Published 2023
    “…Biofiltration systems (biofilters) provide water pollution controls without inputs of additional energy and chemicals, placing them in the overall context of the need for affordable and sustainable stormwater infrastructure in informal settlements. …”
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    Thesis
  6. Phytoplankton's role in the biological pump during the growth season across the Atlantic Southern Ocean by Flynn, Raquel

    Published 2024
    “…In winter, iron and macronutrients such as nitrate are supplied to surface waters during deep mixing events. …”
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    Thesis
  7. Nitrogen cycling in the subtropical southeast Atlantic and southwest Indian Oceans as recorded by the nitrogen isotopes of modern planktic foraminifera by Granger, Robyn

    Published 2024
    “…Fur- thermore, the work detailed in this thesis examines how the unique δ15N of the nitrate and biological community of a particular water mass might be leveraged to reconstruct past variations in Agulhas leakage.…”
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    Thesis
  8. Health assessment of tilapia (Oreochromis spp.) aquaculture systems in the northern provinces of South Africa

    Published 2019
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    Thesis
  9. Groundwater contamination at a landfill: a case study of coastal park landfill, Cape Town by Baderoon, Muneeb

    Published 2023
    “…This study aimed to determine the fluxes in groundwater quality at the Coastal Park landfill in Cape Town, South Africa, and to analyse how groundwater quality changes with local rainfall. Changes in borehole water levels, pH, conductivity, dissolved oxygen, ammonia, nitrate and phosphate were analysed over consecutive weeks of seasonal rainfall from boreholes that were upstream and downstream of two large landfill cells; one being lined and the other unlined. …”
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    Thesis
  10. Nanocomposites of Layered Clays and graphene/graphene oxide for drug delivery by Hegazy, Nada Mahmoud

    Published 2015
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    Thesis
  11. Plankton dynamics of the open Southern Ocean and surrounding the (Sub)Antarctic islands by Stirnimann, Luca

    Published 2023
    “…Thirdly, I applied a new approach using the δ15N of seawater nitrate and SPM to quantify carbon export potential across the summertime Southern Ocean. …”
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    Thesis
  12. An external ecological niche for Candida albicans within reducing, oxygen-limited zones of wetlands and riverbanks by Stone, Wendy

    Published 2011
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    Thesis