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Development and Challenges in Marine Geology

A special issue of Applied Sciences (ISSN 2076-3417). This special issue belongs to the section "Marine Science and Engineering".

Deadline for manuscript submissions: 20 September 2025 | Viewed by 998

Special Issue Editors


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Guest Editor
1. Department of Geological Sciences, School of Mining and Metallurgical Engineering, National Technical University of Athens, 15773 Athens, Greece
2. Institute of GeoEnergy, Technical University of Crete Campus, 73100 Chania, Greece
Interests: sedimentology; petroleum geology; clastic and carbonate reservoirs; sediment transport; geological modellig; tectonics; geological mapping

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Guest Editor
Hellenic Survey of Geology & Mineral Exploration (HSGME), 13677 Acharnae, Greece
Interests: geological mapping; geographic information systems; marine geology; applied geophysics; geological heritage; EU policy and projects

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Guest Editor
Geological Survey of Finland (GTK), Vuorimiehentie 5, P.O. Box 96, FI-02151 Espoo, Finland
Interests: environmental solutions; marine geology

Special Issue Information

Dear Colleagues,

This Special Issue is dedicated to the latest advancements in marine geology. The marine environment has been of significant academic interest since the inception of earth sciences. This interest has been driven not only by academic curiosity but also by the industrial sector's ongoing efforts to explore and exploit natural resources, such as oil, gas, hydrates, placers, and rare earth elements. Additionally, energy transition policies have highlighted the importance of harnessing renewable marine energy sources, including wind power, tidal energy, and wave energy. These aspects of the marine environment present substantial opportunities for various earth scientists working in the fields of marine geology and marine environmental protection.

In this context, contributing authors are invited to present new insights in areas such as marine sediment mapping using advanced techniques (e.g., multispectral analyses, remotely operated vehicles), seafloor geology (stratigraphy and lithology), marine geochemistry, marine minerals (hydrocarbons, gas hydrates, placers, polymetallic nodules), sediment transport simulations, coastal behavior using remote sensing and field data, and seismic and multi beam survey data.

Dr. Ioannis Vakalas
Dr. Irene Zananiri
Dr. Henry Vallius
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. 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

  • marine sediment mapping
  • marine minerals
  • sediment transport simulation
  • seafloor geology
  • seismic and multi beam survey data

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Published Papers (1 paper)

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Research

16 pages, 8252 KiB  
Article
Sound Absorption of the Water Column and Its Calibration for Multibeam Echosounder Backscattered Mapping in the East Sea of Korea
by Seung-Uk Im, Cheong-Ah Lee, Moonsoo Lim, Changsoo Kim and Dong-Guk Paeng
Appl. Sci. 2025, 15(3), 1131; https://doi.org/10.3390/app15031131 - 23 Jan 2025
Viewed by 604
Abstract
Multibeam echosounder (MBES) backscatter data are influenced by underwater sound absorption, which is dependent on environmental parameters such as temperature, salinity, and depth. This study leverages CTD datasets from the Korea Oceanographic Data Center (KODC) to analyze and visualize the spatiotemporal variations in [...] Read more.
Multibeam echosounder (MBES) backscatter data are influenced by underwater sound absorption, which is dependent on environmental parameters such as temperature, salinity, and depth. This study leverages CTD datasets from the Korea Oceanographic Data Center (KODC) to analyze and visualize the spatiotemporal variations in absorption parameters in the East Sea of Korea, which are subject to pronounced variability over time and space. The legacy MBES backscatter data, originally processed using generalized absorption parameters that neglected spatiotemporal variations, were compared with the calibrated data. The calibration process included inverse calculation of water temperature with depth-specific average salinity values from the nearest KODC stations. This calibration revealed discrepancies of up to 2.1 dB in backscatter intensity across survey lines, highlighting the potential misrepresentation of legacy MBES backscatter data due to site-specific absorption variability having been overlooked. By addressing these discrepancies, this study underscores the importance of incorporating spatiotemporal absorption variability into MBES calibration workflows. This integrated approach not only enhances the reliability of legacy MBES data but also provides valuable insights for marine resource management, seafloor mapping, and environmental monitoring in highly dynamic marine environments such as the East Sea of Korea. Full article
(This article belongs to the Special Issue Development and Challenges in Marine Geology)
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