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Distribution and Content of Trace Elements in Seawater and Sediments
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Distribution and Content of Trace Elements in Seawater and Sediments

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

Deadline for manuscript submissions: closed (20 November 2024) | Viewed by 1771

Special Issue Editors

Dr. Dawei Pan

E-Mail Website
Guest Editor
CAS Key Laboratory of Coastal Environmental Processes and Ecological Remediation, Shandong Key Laboratory of Coastal Environmental Processes, Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, Yantai 264003, China
Interests: trace metals; speciation analysis; environmental monitoring; electroanalytical chemistry; biogeochemistry
Special Issues, Collections and Topics in MDPI journals
Dr. Sílvia C. Gonçalves

E-Mail Website
Guest Editor
Marine and Environmental Sciences Center, ESTM—School of Tourism and Maritime Technology, Polytechnic of Leiria, 2520-641 Peniche, Portugal
Interests: biodiversity and ecosystem functioning; environmental risk; aquaculture and fisheries; biotechnology and resources valorization
Special Issues, Collections and Topics in MDPI journals
Dr. Wei Cai

E-Mail Website
Guest Editor
Department of Ocean Science and Engineering, Southern University of Science and Technology, Shenzhen 518055, China
Interests: trace heavy metals; water environment; electrochemical analysis; in situ detection; sensor chip

Special Issue Information

Dear Colleagues,

Seawater sustains diverse marine ecosystems, providing a habitat for countless species and regulating the Earth’s climate. Sediments play a crucial role by storing nutrients, supporting marine life, and preserving a historical record of environmental changes. Together, seawater and sediments contribute to the delicate balance of our planet’s aquatic environments.

Trace elements dynamically interact with seawater and sediments, influencing marine ecosystems and biogeochemical cycles. Seawater serves as a medium for elemental transport and transformation, while sediments act as crucial sinks and sources, affecting elemental availability and ecological processes. Understanding this intricate interplay is vital for assessing environmental health and managing the impact of trace elements on aquatic systems.

This Special Issue aims to provide a comprehensive overview of the current research landscape in the field, fostering discussions on methodologies, challenges, and advancements. Contributions that expand our understanding of trace element concentration as well as distribution in seawater and sediment, in addition to contributing to the development of novel research methodologies, are highly encouraged.

Dr. Dawei Pan
Dr. Sílvia C. Gonçalves
Dr. Wei Cai
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. 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

  • trace metals and non-metal elements
  • concentration, spatial, and temporal distribution analyses
  • seawater and sediment media
  • pre-treatment methods and detection technologies
  • speciation analysis and kinetic characteristics

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Published Papers (2 papers)

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13 pages, 752 KiB  
Article
Contribution of Lab Radon Flux Measurements for Evaluating Submarine Groundwater Discharge in Coastal Areas
by Daniel M. Bonotto, José R. C. Nery, Tatiani P. P. Sabaris, Luis H. Mancini, Marina Lunardi, Cristiano Cigagna, Lucas P. Fontanetti and Gabrielle R. Ceccato
J. Mar. Sci. Eng. 2024, 12(10), 1867; https://doi.org/10.3390/jmse12101867 - 18 Oct 2024
Viewed by 515
Abstract
Laboratory-scale experiments were conducted on Carboniferous Limestone gravels from the Mendip Hills area, England; sandstones from the Pirambóia and Botucatu formations, Paraná sedimentary basin, Brazil; samples of schist and quartzite from Caldas Novas Hydrothermal Complex, Brazil; and the minerals tantalite, cassiterite, and columbite [...] Read more.
Laboratory-scale experiments were conducted on Carboniferous Limestone gravels from the Mendip Hills area, England; sandstones from the Pirambóia and Botucatu formations, Paraná sedimentary basin, Brazil; samples of schist and quartzite from Caldas Novas Hydrothermal Complex, Brazil; and the minerals tantalite, cassiterite, and columbite from mining areas at Rio Grande do Norte State, Brazil, with the purpose of evaluating the release of 222Rn to the water phase. The specific surface area of the samples corresponded to 1.69–81.36 cm2g−1, which provided values of 0.001–1.68 dpm/g and 3.18 × 10−6 to 0.59 for the radon released and radon emanation coefficient, respectively. These results allowed us to calculate the radon flux with respect to the radon leakage, which corresponded to values of 0.00016–0.00158 Bq/m2/d for the denser materials and 0.018–0.43 Bq/m2/d for limestones and sandstones. They also permitted us to find an inverse, significant relationship between the radon generated by the minerals/rocks and the radon flux into the water phase, which was tested for sediments in coastal and inland Brazilian areas, demonstrating utility for evaluating the diffusive radon flux from the sediments, which is an important parameter to monitor submarine groundwater discharge (SGD) by means of radon as a natural tracer. Full article
(This article belongs to the Special Issue Distribution and Content of Trace Elements in Seawater and Sediments)
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15 pages, 1847 KiB  
Article
Continuous Field Determination and Ecological Risk Assessment of Pb in the Yellow Sea of China
by Zhiwei Zhang, Dawei Pan, Yan Liang, Md. Abdur Rahman and Xiaofeng Wang
J. Mar. Sci. Eng. 2024, 12(8), 1452; https://doi.org/10.3390/jmse12081452 - 22 Aug 2024
Viewed by 807
Abstract
Field determination and ecological risk assessment of dissolved lead (Pb) were performed at two Yellow Sea sites in China using a continuous automated electrochemical system (CAEDS). This CAEDS instrument includes an automatic triple filter sampler and an electrochemical detection water quality analyzer, which [...] Read more.
Field determination and ecological risk assessment of dissolved lead (Pb) were performed at two Yellow Sea sites in China using a continuous automated electrochemical system (CAEDS). This CAEDS instrument includes an automatic triple filter sampler and an electrochemical detection water quality analyzer, which might be operated automatically four times daily. The dissolved Pb concentrations varied from 0.29 to 1.57 μg/L in the South Yellow Sea over 16 days and from 0.32 to 2.28 μg/L in the North Yellow Sea over 13 days. During the typhoon and algal bloom periods, the Pb concentration was as high as ten times greater than usual. According to the calculation of contamination factors (Cf) and subsequent analysis, seawater quality was classified as Grade II. Through species sensitivity distribution (SSD) method experiments and ecological risk analysis, an average risk quotient (RQ) below 1 for both areas was obtained, indicating a low-to-moderate ecological risk. This system will be helpful for Pb monitoring and assessment in seawater and contribute to the biogeochemical cycling study of Pb. Full article
(This article belongs to the Special Issue Distribution and Content of Trace Elements in Seawater and Sediments)
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