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  • Analysis of the Mixing Processes in a Shallow Subtropical Reservoir and Their Effects on Dissolved Organic Matter

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    Wang221948.pdf (701.3Kb)
    Author(s)
    Wang, Xinchen
    Zhang, Hong
    Bertone, Edoardo
    Stewart, Rodney A
    O'Halloran, Kelvin
    Griffith University Author(s)
    Zhang, Hong
    Bertone, Edoardo
    Stewart, Rodney A.
    O'Halloran, Kelvin
    Wang, Xinchen
    Year published
    2019
    Metadata
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    Abstract
    A good understanding of the physical processes of lakes or reservoirs, especially of those providing drinking water to residents, plays a vital role in water management. In this study, the water circulation and mixing processes occurring in the shallow, subtropical Tingalpa Reservoir in Australia have been investigated. Bathymetrical, meteorological, chemical and physical data collected from field measurements, laboratory analysis of water sampling and an in-situ Vertical Profile System (VPS) were analysed. Based on the high-frequency VPS dataset, a 1D model was developed to provide information for vertical transport and ...
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    A good understanding of the physical processes of lakes or reservoirs, especially of those providing drinking water to residents, plays a vital role in water management. In this study, the water circulation and mixing processes occurring in the shallow, subtropical Tingalpa Reservoir in Australia have been investigated. Bathymetrical, meteorological, chemical and physical data collected from field measurements, laboratory analysis of water sampling and an in-situ Vertical Profile System (VPS) were analysed. Based on the high-frequency VPS dataset, a 1D model was developed to provide information for vertical transport and mixing processes. The results show that persistent high air temperature and stable reservoir water depth lead to a prolonged thermal stratification. Analysis indicates that heavy rainfalls have a significant impact on water quality when the dam level is low. The peak value of Dissolved Organic Carbon (DOC) concentration occurred in the wet season, while the specific UV absorbance (SUVA) value decreased when solar radiation increased from spring to summer. The study aims to provide a comprehensive approach for understanding and modelling the water mixing processes in similar lakes with high-frequency data from VPS’s or other monitoring systems.
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    Journal Title
    Water
    Volume
    11
    Issue
    4
    DOI
    https://doi.org/10.3390/w11040737
    Copyright Statement
    © 2019 by the authors. Licensee MDPI, Basel, Switzerland. This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited
    Subject
    Architecture
    Environmental Engineering
    Science & Technology
    Physical Sciences
    Water Resources
    mixing processes
    Vertical Profiling System
    Publication URI
    http://hdl.handle.net/10072/386871
    Collection
    • Journal articles

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