Case Study of Contaminant Transport Using Lagrangian Particle Tracking Model in a Macro-Tidal Estuary
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Title
- Case Study of Contaminant Transport Using Lagrangian Particle Tracking Model in a Macro-Tidal Estuary
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Author(s)
- Gu, Bon Ho; Woo, Seung-Buhm; Kwon, Jae Il; Park, Sung Hwan; Kim, Nam Hoon
- KIOST Author(s)
- Gu, Bon Ho(구본호); Kwon, Jae Il(권재일); Park, Sung Hwan(박숭환); Kim, Nam Hoon(김남훈)
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Alternative Author(s)
- 구본호; 권재일; 박숭환; 김남훈
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Publication Year
- 2024-02
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Abstract
- This study presents a comprehensive analysis of contaminant transport in estuarine environments, focusing on the impact of tidal creeks and flats. The research employs advanced hydrodynamic models with irregular grid systems and conducts a detailed residual current analysis to explore how these physical features influence the movement and dispersion of contaminants. The methodology involves simulating residual currents and Lagrangian particle trajectories in both ‘Creek’ and ‘No Creek’ cases, under varying tidal conditions. The results indicate that tidal creeks significantly affect particle retention and transport, with notable differences observed in the dispersion patterns between the two scenarios. The ‘Creek’ case demonstrates enhanced material retention along the creek pathways, while the ‘No Creek’ case shows broader dispersion, potentially leading to increased sedimentation in open sea areas. The discussion highlights the implications of these findings for sediment dynamics, contaminant transport, and estuarine ecology, emphasizing the role of tidal creeks in modulating flow and material transport. The research underlines the necessity of incorporating detailed environmental features in estuarine models for accurate contaminant transport prediction and effective estuarine management. This study contributes to a deeper understanding of estuarine hydrodynamics and offers valuable insights for environmental policy and management in coastal regions.
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ISSN
- 2073-4441
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URI
- https://sciwatch.kiost.ac.kr/handle/2020.kiost/45400
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DOI
- 10.3390/w16040617
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Bibliographic Citation
- Water (Switzerland), v.16, no.4, 2024
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Publisher
- Multidisciplinary Digital Publishing Institute (MDPI)
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Keywords
- macro-tidal estuary; unstructured grid model; residual volume transport; Lagrangian particle tracking; Stokes drift; contaminant transport
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Type
- Article
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