Ocean Engineering and Oceanography for Carbon Neutralization II

A special issue of Journal of Marine Science and Engineering (ISSN 2077-1312).

Deadline for manuscript submissions: closed (10 January 2023) | Viewed by 5551

Special Issue Editors


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Guest Editor
Institute of Marine Science and Technology, Shandong University, Qingdao 266000, China
Interests: marine biogeochemistry; carbonate chemistry; ocean acidification; air-sea CO2 flux; coastal eutrophication; ocean deoxygenation
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Guest Editor
School of Naval Architecture, Ocean & Civil Engineering, Shanghai Jiao Tong University, Dongchuan Rd. 800, Minhang District, Shanghai 200240, China
Interests: marine engines; emissions control; low-carbon propulsion; energy flow management& optimization in ships; renewable energies; alternative fuels
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Guest Editor
School of Marine Sciences, Sun Yat-Sen University, Zhuhai 519082, China
Interests: marine protists and fungi; protist–bacteria association; molecular microbial ecology; plankton ecology; sediment microbiome
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Guest Editor
Institute of Marine Science and Technology, Shandong University, Qingdao 266237, China
Interests: marine equipment; Fluid Power Transmission and Control; heave compensation; wave energy power generation
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Special Issue Information

Dear Colleagues,

In order to minimize dangerous anthropogenic interference with the climate system, we need to reduce greenhouse gas emissions in the middle of this century. In addition to industrial efforts and tree planting, marine systems have great potential in carbon uptake and storage and in reducing greenhouse gas emissions. The aim of this Special Issue is to collect cutting-edge knowledge of marine science and engineering, as well as the technological reserve in the field of carbon neutralization. Original research, literature reviews, mini-reviews, and perspectives are welcome. Relevant topics include but are not limited to marine new energy, marine equipment, and marine engineering. New ideas and discussions toward carbon neutralization are especially welcome.

Prof. Dr. Weidong Zhai
Prof. Dr. Tie Li
Prof. Dr. Jun Gong
Prof. Dr. Shizhen Li
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

  • carbon neutralization
  • carbon uptake
  • carbon storage
  • blue carbon
  • marine energy
  • wave energy
  • renewable energy
  • alternative fuel

Published Papers (2 papers)

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Research

12 pages, 6469 KiB  
Article
4D Seismic Monitoring with Diffraction-Angle-Filtering for Carbon Capture and Storage (CCS)
by Youngjae Shin, Hyeong-Geun Ji, Sea-Eun Park and Ju-Won Oh
J. Mar. Sci. Eng. 2023, 11(1), 57; https://doi.org/10.3390/jmse11010057 - 31 Dec 2022
Cited by 3 | Viewed by 1647
Abstract
Carbon capture and storage (CCS) is a key technology that directly removes industry driven CO2 to achieve carbon neutrality. In the process of CCS, it is necessary to monitor whether injected CO2 is properly stored and not leaking. The behavior of [...] Read more.
Carbon capture and storage (CCS) is a key technology that directly removes industry driven CO2 to achieve carbon neutrality. In the process of CCS, it is necessary to monitor whether injected CO2 is properly stored and not leaking. The behavior of CO2 can be investigated using a 4D seismic survey that compares seismic data before and after injection. We proposed a two-step monitoring with diffraction-angle filtering (DAF) to effectively locate the CO2 plume. Because DAF allows us to control wavenumber components, the gradient of full-waveform inversion (FWI), which is the first step, is composed of low-wavenumber components, and reverse time migration (RTM) for seismic imaging is carried out with high-wavelength components. To verify our method, we implemented FWI and RTM with and without DAF using the velocity model in the Volve oil field in the North Sea. Numerical examples show that the CO2 plume is properly detected from the difference between baseline and post-injected survey and the extension of the reflective boundary is improved compared to the results of the conventional method. With our proposed method, local minima problem is mitigated in FWI, and the boundaries between layers can be clearly distinguished in RTM. Full article
(This article belongs to the Special Issue Ocean Engineering and Oceanography for Carbon Neutralization II)
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11 pages, 1812 KiB  
Article
Critical Collision Risk Index Based on the Field Theory
by Wenyao Ma, Hongbo Wang and Shengyin Wang
J. Mar. Sci. Eng. 2022, 10(11), 1748; https://doi.org/10.3390/jmse10111748 - 14 Nov 2022
Cited by 4 | Viewed by 3331
Abstract
Collision-risk measurements are crucial for ships, as they are necessary for collision avoidance decision making. However, collision risks between ships have not been quantified in unified standards. In this study, a critical collision index is proposed to describe the critical degree of collision [...] Read more.
Collision-risk measurements are crucial for ships, as they are necessary for collision avoidance decision making. However, collision risks between ships have not been quantified in unified standards. In this study, a critical collision index is proposed to describe the critical degree of collision risks between ships. Based on the field theory, a collision-risk field was introduced to build a field strength model based on the collision index. The model synthetically considers the influences of distance at closest point of approach, time to closest point of approach, and the relative bearing of coming ships. Moreover, the real time to the closest point of approach was used for describing the collision risk between ships. In addition, encounter situations and collision risks in the field were simulated using the field strength model and isorisk lines. The results are in agreement with the real collision-risk perceptions of Officers on Watch. It was shown that the proposed ship critical collision index can play an important role in ship collision avoidance and early warning systems. Full article
(This article belongs to the Special Issue Ocean Engineering and Oceanography for Carbon Neutralization II)
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