Tracking a Coastal Wave Buoy, Lost from the Southern Coast of Jeju Island, Using Lagrangian Particle Modeling
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Title
- Tracking a Coastal Wave Buoy, Lost from the Southern Coast of Jeju Island, Using Lagrangian Particle Modeling
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Author(s)
- Seo, Seongbong; Park, Young Gyu
- KIOST Author(s)
- Park, Young Gyu(박영규)
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Alternative Author(s)
- 서성봉; 박영규
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Publication Year
- 2021-07
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Abstract
- A coastal wave buoy was lost near Jeju Island, Korea, in late July 2014 and found at Cape Mendocino, USA, in April 2020. The buoy’s journey was simulated with a Lagrangian particle tracking model using surface ocean currents and wind data at 10 m above sea level. Experiments were conducted with windage values of 0, 2, and 4%. Particles were released along the southern coast of Jeju Island from 31 July to 8 August 2014. When the windage was 0 or 2%, most particles reached the northwest Pacific via the East/Japan Sea or East China Sea, respectively. With 4% windage, very few particles entered the North Pacific. Under 0% windage, particles accumulated in the Great Pacific Garbage Patch (GPGP) and never reached the USA. Under 2%, particles were able to escape the GPGP and started to reach the USA coast 2 years and 7 months after the release. The trajectory of the buoy was deduced from the trajectories of particles with a similar travel time. The buoy likely moved to East China and then to the subtropical convergence zone, where it must have circulated for approximately 2 years before being pushed toward Cape Mendocino by the intensified winter westerlies.
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ISSN
- 2077-1312
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URI
- https://sciwatch.kiost.ac.kr/handle/2020.kiost/41533
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DOI
- 10.3390/jmse9080795
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Bibliographic Citation
- JOURNAL OF MARINE SCIENCE AND ENGINEERING, v.9, no.8, 2021
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Publisher
- MDPI AG
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Subject
- FLOATING DEBRIS; OCEAN; TRANSPORT
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Keywords
- floating ocean debris; wind effect; Great Pacific Garbage Patch; subtropical convergence zone
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Type
- Article
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Language
- English
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Document Type
- Article
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