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Advances in Microplastic Pollution and Its Impact

A special issue of Applied Sciences (ISSN 2076-3417). This special issue belongs to the section "Environmental Sciences".

Deadline for manuscript submissions: closed (20 November 2024) | Viewed by 2093

Special Issue Editor


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Guest Editor
CNR-ISMAR, Institute of Marine Sciences, National Research Council, 19032 Lerici, Italy
Interests: microplastics; marine litter; plastic pollution; microfibers; marine debris
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Since the first reports dealing with the presence of small plastic particles in the oceans, worldwide attention has been focused on this problem, and the number of scientific publications has seen exponential growth. Microplastics have been detected virtually everywhere, from remote mountain glaciers to the deepest parts of our oceans. Microplastic particles have been detected in human lungs as well as in human blood and placenta, while plastic pollution is now so widespread that it has been proposed as a new stratigraphic indicator of Anthropocene. However, despite growing attention, the actual amounts of microplastics in environmental compartments (terrestrial, marine, freshwater, and atmospheric) and their ecological impacts are still unclear.

Many aspects still need to be explored; therefore, this Special Issue invites contributions dealing with the latest developments in the study of microplastics. Topics include Physico-chemical phenomena resulting in the formation of MPs; interaction of MPs with the biosphere, including humans and biogeochemical compartments; socioeconomic, environmental impact, and risk assessment of microplastics in the environment; new methodologies for sampling or isolating MPs from complex environmental matrices; development of innovative approaches for the characterization and quantification of MPs; theory, simulation, and modeling of the degradation processes of MPs in the environment; study of the sources, fate, impacts and of the distribution at horizontal and vertical spatiotemporal scales of MPs in the environment; and innovative solutions to mitigate or remove MPs from the environment.

Authors are therefore invited to submit original contributions, research papers, reviews, and short communications on all aspects related to the issue of microplastic pollution.

Dr. Giuseppe Suaria
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. Applied Sciences is an international peer-reviewed open access semimonthly 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 2400 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

  • microplastics
  • microfibers
  • plastic pollution
  • marine litter

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Published Papers (1 paper)

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Research

21 pages, 10366 KiB  
Article
Integrating Biofilm Growth and Degradation into a Model of Microplastic Transport in the Arctic Ocean
by Elena Golubeva and Marina Gradova
Appl. Sci. 2024, 14(22), 10229; https://doi.org/10.3390/app142210229 - 7 Nov 2024
Viewed by 1366
Abstract
The present study analyzes the potential propagation trajectories and fate of floating microplastic particles released on the Kara Sea shelf. The transport of microplastics is described using a Lagrangian model based on daily 2016–2020 data obtained from numerical modeling of Arctic Ocean dynamics. [...] Read more.
The present study analyzes the potential propagation trajectories and fate of floating microplastic particles released on the Kara Sea shelf. The transport of microplastics is described using a Lagrangian model based on daily 2016–2020 data obtained from numerical modeling of Arctic Ocean dynamics. A particle biofouling model is used to simulate the submergence of floating microplastic particles in the water column. The model includes a parameterization of the processes of biofilm accumulation (via collision with algae in surrounding water, algae growth) and degradation (via respiration, mortality). The behavior of microplastic particles of different sizes (0.5 and 0.01 mm) during the sinking process and subsequent rising due to biofilm degradation is examined. The simulation results reveal that particles of 0.01 mm in size display a tendency to sink immediately during the process of biofouling. However, when the biofilm degraded, the particles exhibited a rising velocity, comparable to the current vertical velocity, and the particles remained submerged in the water for long periods. In contrast, the 0.5 mm particles remained at the surface for a longer period before sinking, accumulating biofilm. Subsequently, their behavior was oscillatory in response to changes in the biofilm, rising rapidly when the biofilm decayed and sinking rapidly again as a result of biomass accumulation. In winter, the 0.5 mm particles were mostly frozen into the ice. The phenomenon of biofouling, whereby microplastic particles of various sizes sink at different depths, results in considerable variation in the subsequent pathways of these particles in the Arctic Ocean. Full article
(This article belongs to the Special Issue Advances in Microplastic Pollution and Its Impact)
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