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    The influence of groundwater conditions on nutrient dynamics in waterways (2021)

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    Type of Content
    Conference Contributions - Published
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    https://hdl.handle.net/10092/102114
    http://dx.doi.org/10.26021/11169
    
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    • Engineering: Conference Contributions [2298]
    Authors
    Silveira F
    Charters F
    Bello-Mendoza, Ricardo cc
    Cochrane, Thomas cc
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    Abstract

    INTRODUCTION Excess nutrients in waterways contribute to eutrophication and poorer aquatic ecosystem health, a problem affecting rural and urban catchments. Key nutrients such as nitrogen and phosphorus can move between the stream bed sediment and water column due the influence of physical, chemical and microbiological factors in the stream environment, which affect their availability and resulting ecological impact. In order to address excess nutrient problems in urban waterways, authorities have been developing strategies to mitigate impacts by using inchannel and land-based stormwater treatment to remove pollutants via settling and other physical, chemical and/or biological processes. However, little is known about how pollutants are transported and transformed in these urban in-channel systems under the influence of different groundwater conditions. Therefore, this research aims to understand the dynamics of nutrients (nitrogen and phosphorus) in waterways systems under the influence of different groundwater conditions (seepage, neutral, and drainage). It was hypothesized that groundwater and bed material characteristics affect the concentration and form of pollutants, as well as their mobility. This understanding could help guide stream management decisions.

    Citation
    Silveira F, Cochrane T, Charters F, Bello Mendoza R (2021). The influence of groundwater conditions on nutrient dynamics in waterways. Tauranga, New Zealand: Stormwater 2021. 12/05/2021-14/05/2021.
    This citation is automatically generated and may be unreliable. Use as a guide only.
    ANZSRC Fields of Research
    41 - Environmental sciences::4105 - Pollution and contamination::410504 - Surface water quality processes and contaminated sediment assessment
    41 - Environmental sciences::4105 - Pollution and contamination::410503 - Groundwater quality processes and contaminated land assessment
    40 - Engineering::4005 - Civil engineering::400508 - Infrastructure engineering and asset management
    40 - Engineering::4005 - Civil engineering::400513 - Water resources engineering
    Rights
    All rights reserved unless otherwise stated
    http://hdl.handle.net/10092/17651

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