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Modeling the Transport of Pollutants and Tracers in the Ocean
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Modeling the Transport of Pollutants and Tracers in the Ocean

A special issue of Journal of Marine Science and Engineering (ISSN 2077-1312). This special issue belongs to the section "Marine Environmental Science".

Deadline for manuscript submissions: closed (5 November 2023) | Viewed by 5171

Special Issue Editor

Dr. Raul Perianez

E-Mail Website
Guest Editor
Departamento de Física Aplicada I, ETSIA, Universidad de Sevilla, 41013 Sevilla, Spain
Interests: numerical modeling of marine processes; tide simulation; tsunami propagation; pollutant transport; geochemical processes of pollutant modeling

Special Issue Information

Dear Colleagues,

The numerical modelling of the transport of pollutants in the marine environment has been attracting attention for many years. This interest has increased in recent years as regarding radioactive pollutants after the 2011 accident in the Fukushima Daiichi nuclear power plant, and after the planned release of contaminated stored water from Fukushima into the Pacific Ocean. Reliable models are required to predict the fate of contaminants from planned releases in the marine environment, in general, but also for the assessment of the aftermath of accidental releases of any pollutant. In addition, modelling the transport of tracers is a useful tool in oceanography, applied to tracing water currents and water masses. We expect to publish high-quality papers on the following topics:

  • modelling techniques
  • rapid response models for emergencies
  • description of water/sediment interactions
  • modelling tracers and radiotracers as a tool for oceanography
  • model application cases

Dr. Raul Perianez
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Journal of Marine Science and Engineering is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • numerical model
  • ocean transport
  • hydrodynamics
  • sediments
  • radionuclides
  • chemical pollutants
  • marine tracer
  • water masses

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Further information on MDPI's Special Issue policies can be found here.

Published Papers (3 papers)

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Research

15 pages, 5293 KiB  
Article
The Effect of Model Input Uncertainty on the Simulation of Typical Pollutant Transport in the Coastal Waters of China
by Nan Wang, Zihan Zhao, Ruichen Cao, Xianqing Lv and Honghua Shi
J. Mar. Sci. Eng. 2024, 12(7), 1196; https://doi.org/10.3390/jmse12071196 - 17 Jul 2024
Viewed by 731
Abstract
Route planning to evade potential pollution holds critical importance for aquaculture vessels. This study establishes a fish-feed pollutant drift model based on the Lagrangian particle tracking algorithm and designs four sets of sensitivity experiments in the East China Sea. The research investigates the [...] Read more.
Route planning to evade potential pollution holds critical importance for aquaculture vessels. This study establishes a fish-feed pollutant drift model based on the Lagrangian particle tracking algorithm and designs four sets of sensitivity experiments in the East China Sea. The research investigates the impact of model input uncertainties on the drift trajectory, centroid position, and sweeping area of the fish-feed pollutants. Numerical results indicate that the uncertainty in the background flow field significantly affects the uncertainty in the centroid position and sweeping area in the numerical simulations. Specifically, when a 35% random error is added to the background flow field, the centroid shift distance reaches its maximum, and the sweeping area also attains its largest value. The uncertainty in the background wind field affects the centroid position of particles but to a much lesser extent compared to the background flow field. When considering only the uncertainty of the background wind field, the sweeping area does not significantly differ from the control experiment as the uncertainty of the background wind field increases. The initial release position has little effect on the drift direction of the fish-feed pollutants but does affect the drift distance; it has minimal impact on the trajectory but significantly affects the final position of the pollutant centroid. By analyzing the model uncertainties, this study reveals the key factors influencing the drift of fish-feed pollutants. This information is crucial for aquaculture vessels in planning routes, considering environmental factors, and reducing potential pollution risks. Full article
(This article belongs to the Special Issue Modeling the Transport of Pollutants and Tracers in the Ocean)
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18 pages, 6697 KiB  
Article
Research on the Transport of Typical Pollutants in the Yellow Sea with Flow and Wind Fields
by Nan Wang, Ruichen Cao, Xianqing Lv and Honghua Shi
J. Mar. Sci. Eng. 2023, 11(9), 1710; https://doi.org/10.3390/jmse11091710 - 30 Aug 2023
Cited by 2 | Viewed by 1572
Abstract
In this study, we developed a transport model for typical pollutants in the Yellow Sea using the Lagrangian particle tracking method to analyze the trajectories of fish feed, a common pollutant in the Yellow Sea. The model incorporates the influence of ocean currents [...] Read more.
In this study, we developed a transport model for typical pollutants in the Yellow Sea using the Lagrangian particle tracking method to analyze the trajectories of fish feed, a common pollutant in the Yellow Sea. The model incorporates the influence of ocean currents and surface winds on pollutant transport and utilizes a series of numerical experiments to simulate pollutant transport. Through statistical analysis of the numerical experiment results, we identified characteristic circles that represent the pollutant distribution patterns. Furthermore, based on the current and wind information within these characteristic circles, we derived an empirical formula to describe pollutant distribution. This formula enables us to predict the spatial distribution of pollutants using available current and wind data. Using this empirical formula, we designed an effective path to avoid pollutant contamination. This approach not only optimizes the utilization of computational resources within the study area but also contributes to the rational planning of navigation routes for aquaculture vessels. Overall, our study provides valuable insights into the transport behavior of fish feed pollutants in the Yellow Sea. The establishment of the empirical formula and the design of effective routes to avoid pollution contribute to the efficient management of pollution and facilitate the planning of marine activities in the region. Full article
(This article belongs to the Special Issue Modeling the Transport of Pollutants and Tracers in the Ocean)
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14 pages, 3611 KiB  
Article
A Numerical Model to Simulate the Transport of Radionuclides in the Western Mediterranean after a Nuclear Accident
by Raúl Periáñez and Carmen Cortés
J. Mar. Sci. Eng. 2023, 11(1), 169; https://doi.org/10.3390/jmse11010169 - 10 Jan 2023
Cited by 4 | Viewed by 2186
Abstract
The transport of radionuclides in the western Mediterranean Sea resulting from hypothetical accidents in a coastal nuclear power plant, and in a vessel with nuclear power or transporting radioactive material, was assessed with a Lagrangian model developed for this kind of accident assessment. [...] Read more.
The transport of radionuclides in the western Mediterranean Sea resulting from hypothetical accidents in a coastal nuclear power plant, and in a vessel with nuclear power or transporting radioactive material, was assessed with a Lagrangian model developed for this kind of accident assessment. Water circulation was obtained from the HYCOM global ocean model. The transport model was developed in spherical coordinates and includes advection by currents, three-dimensional turbulent mixing, radioactive decay, and radionuclide interactions between water and seabed sediments. Age calculations are included as well. A dynamic model based on kinetic transfer coefficients was used to describe these interactions. Mixing, decay, and water/sediment interactions were solved applying a stochastic method. Hypothetical accidents occurring at different moments were simulated to investigate seasonal effects in the fate of radionuclides. In addition, simulations for different radionuclides were carried out to investigate the effects of their different geochemical behaviours. Thus, in the case of a coastal release, 137Cs is transported at long distances from the source, while 239,240Pu stays close to the release point due to its strong reactivity, most of it being quickly fixed to the seabed sediment. In deep waters, in case of a surface release, 239,240Pu spreads over larger areas since sediments are not reached by radionuclides. Full article
(This article belongs to the Special Issue Modeling the Transport of Pollutants and Tracers in the Ocean)
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