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Migration, Transformation and Ecological Risk of Pollutants in Offshore Environments
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Migration, Transformation and Ecological Risk of Pollutants in Offshore Environments

A special issue of International Journal of Environmental Research and Public Health (ISSN 1660-4601). This special issue belongs to the section "Environmental Science and Engineering".

Deadline for manuscript submissions: closed (31 March 2023) | Viewed by 3930

Special Issue Editors

Dr. Jicai Zhang

E-Mail Website
Guest Editor
Ocean College, Zhejiang University, Zhoushan 316000, China
Interests: ocean dynamics; ocean modelling; data assimilation
Dr. Mengmeng Tong

E-Mail Website
Co-Guest Editor
Ocean College, Zhejiang University, Zhoushan 316000, China
Interests: harmful algal blooms; marine biotoxins; eutrophication; phytoplankton physiological ecology; microplastic
Dr. Daosheng Wang

E-Mail Website
Co-Guest Editor
College of Marine Science and Technology, China University of Geosciences, Wuhan 430074, China
Interests: shallow sea dynamics; data assimilation; offshore material transport

Special Issue Information

Dear Colleagues,

Pollutants are ubiquitous in offshore environments and have become a universal problem across the world. Climate change and human activity threaten our oceans in a variety of ways that create risks for marine ecosystems. In this Anthropocene era, the complexity of marine pollutants has largely increased, comprising a wide range of physical, chemical, geological, and biological aspects. The temporal and spatial distribution of marine pollutants is significantly affected by the dynamic processes of oceans (tide, wave, wind, circulation, etc.), and in recent years, the responses of oceans to extreme events (tropical cyclones, cold fronts, etc.) are sparking increased research interests. The stressors generated from marine pollutants, including chemical (e.g., metals, pesticides, pharmaceuticals), physical (e.g., microplastics, sediments, temperature) and biological (e.g., red tide, eutrophication), are increasingly impacting the biodiversity and functioning of marine species and habitats. Hence, it is important to determine how new technologies, methods and theories can be used to clarify and predict the migration, transformation and ecological risk of pollutants in offshore environments under the combined influence of climate change and human activity.

This Special Issue focuses on exploring state-of-the-art advances in the migration, transformation and ecological risks of pollutants in offshore environments, especially their physical transport and ecological responses, and aims to provide a comprehensive perspective. The scope of this research topic is broad (physical, chemical, geological and biological) and especially encourages interdisciplinary research to evaluate the combined influence of climate change and human activity. New observation techniques, modelling predictions, novel theories, and assessment methods are all welcomed. Submissions can address, but are not limited to, the following topics:

  • Modelling and prediction techniques of marine pollutants;
  • Observation techniques;
  • Novel data-analyzing methods;
  • Assessment methods of sustainability;
  • Response to climate change and human activity;
  • Ecological impact of marine pollutants;
  • Typical cases across world oceans;
  • Ecological responses of environmental stressors.

Dr. Jicai Zhang
Dr. Mengmeng Tong
Dr. Daosheng Wang
Guest Editors

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. International Journal of Environmental Research and Public Health 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 2500 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

  • offshore environment
  • climate change
  • human activity
  • extreme events
  • ocean dynamics
  • material transport
  • pollutant dispersion
  • ecological risk
  • assessment and prediction
  • coastal sustainability
  • environmental stressors
  • eutrophication

Published Papers (2 papers)

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Research

18 pages, 12748 KiB  
Article
Numerical Study on the Influence of Model Uncertainties on the Transport of Underwater Spilled Oil
by Daosheng Wang, Zhixuan Luo and Lin Mu
Int. J. Environ. Res. Public Health 2022, 19(15), 9274; https://doi.org/10.3390/ijerph19159274 - 29 Jul 2022
Cited by 1 | Viewed by 1320
Abstract
Oil pollution influences marine biology, ecology, and regional sustainable development capacity, but model uncertainties limit the ability of the numerical model to accurately predict the transport and fate of the underwater oil spill. Based on a three-dimensional underwater oil spill model validated by [...] Read more.
Oil pollution influences marine biology, ecology, and regional sustainable development capacity, but model uncertainties limit the ability of the numerical model to accurately predict the transport and fate of the underwater oil spill. Based on a three-dimensional underwater oil spill model validated by satellite images of the oil slick at the sea surface, the Penglai 19-3 oil spill accident in the Bohai Sea was simulated; in addition, several sensitivity experiments were set up to investigate the influence of model uncertainties in the background wind, current, start time of the oil spill, and spill site on the transport of underwater spilled oil in the Penglai 19-3 oil spill accident. The experimental results indicate that the uncertainty in the background wind has a certain impact on the simulated centroid position at the sea surface, and little effect on the simulated underwater results, while the uncertainty in the background current has a significant influence on the transport of the underwater spilled oil both at the sea surface and underwater. An uncertainty of 24 h in the start time of the oil spill can cause more than 1 time larger than the benchmark case displacement of the oil spill centroid point and sweeping area at the sea surface, as the periodic tidal current is the main constituent of the ocean current in the Bohai Sea. The uncertainty in the spill site has a large influence on the final position of the oil spill centroid point, but the oil spill trajectories do not intersect with each other within 48 h, which makes it possible to identify the oil spill platform from the actual observations. The influence of uncertainties in the important model inputs and key model parameters on the transport of underwater spilled oil in the Penglai 19-3 oil spill accident is evaluated for the first time, which is of substantial significance for improving the prediction accuracy of the transport and fate of underwater oil spills. Full article
(This article belongs to the Special Issue Migration, Transformation and Ecological Risk of Pollutants in Offshore Environments)
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16 pages, 2918 KiB  
Article
Characteristics and Health Risk Assessment of Heavy Metal Pollution in Haikou Bay and Adjacent Seas
by Dezhong Wang, Honghai Zhang, Wenzhuo Zhu, Xiaoling Zhang, Qiao Yang, Mei Liu and Qingguo Chen
Int. J. Environ. Res. Public Health 2022, 19(13), 7896; https://doi.org/10.3390/ijerph19137896 - 27 Jun 2022
Cited by 2 | Viewed by 1755
Abstract
Heavy metal contamination in coastal waters may pose a serious threat to aquatic products and human health. This study aimed to gain a better understanding of the pollution-induced by heavy metals in Haikou Bay and adjacent seas and assessed the potential ecological risk. [...] Read more.
Heavy metal contamination in coastal waters may pose a serious threat to aquatic products and human health. This study aimed to gain a better understanding of the pollution-induced by heavy metals in Haikou Bay and adjacent seas and assessed the potential ecological risk. The spatial distributions of heavy metals including Cu, Pb, Zn, Cd, Cr, Hg, and As were analyzed in the surface and bottom water, surface sediment, and five species of fish collected from Haikou Bay and adjacent seas. For seawater, the results showed that the horizontal distribution of the seven heavy metal elements in the study area had no uniform pattern due to the influence of complex factors, such as land-based runoff, port shipping, and ocean current movement. In contrast, the vertical distribution of these heavy metal elements, except for Zn and Cd, showed high concentrations in the surface water and low concentrations in the bottom water. Due to the symbiotic relationship between Zn and Cd, the distributions of these two elements were similar in the study areas. Different from the complex distribution of heavy metals in water, the highest concentrations of these elements in surface sediment all occurred at station 11 except for Pb. Our study revealed that organic carbon and sulfide are important factors affecting the heavy metal concentrations in the surface sediments. Heavy metals in waters and surface sediment were lower than the quality standard of class I according to the China National Standard for Seawater Quality and the sediment quality, except for Zn in water, suggesting that the seawater and surface sediment in Haikou Bay and adjacent seas has not been polluted by heavy metals. Additionally, the heavy metal As was the main element affecting the quality of fish in this study area, and attention should be paid in the future. The target hazard quotient (THQ) values of seven heavy metal elements in fish were all lower than 1.0, indicating that eating fish in this area will not pose a risk to human health. These results provide valuable information for further understanding the status of heavy metal pollution in Haikou Bay and adjacent seas and the development of targeted conversation measures for the environment and fish consumers. Full article
(This article belongs to the Special Issue Migration, Transformation and Ecological Risk of Pollutants in Offshore Environments)
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