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Climate Change, Marine Renewables and Sustainable Development

A special issue of Sustainability (ISSN 2071-1050). This special issue belongs to the section "Sustainable Oceans".

Deadline for manuscript submissions: closed (31 July 2023) | Viewed by 3777

Special Issue Editors


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Guest Editor
Cyprus Marine and Maritime Institute, Larnaca 6023, Cyprus
Interests: marine renewable energy; marine observation networks; coastal processes; applied statistics

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Guest Editor
Institute of Oceanography, Hellenic Centre for Marine Research, 19013 Anavyssos, Greece
Interests: marine renewable energy; stochastic modeling; extremes; marine monitoring systems
Special Issues, Collections and Topics in MDPI journals

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Guest Editor
Cyprus Marine and Maritime Institute, Larnaca 6023, Cyprus
Interests: heterogeneous configurable sensors and data fusion; sequential Monte Carlo Methods

Special Issue Information

Dear Colleagues,

A global transition from fossil fuels to a low-carbon future with significant penetration of marine renewables should be made in a way that minimizes, or even avoids, adverse environmental impacts and concurrently follows the UN’s Sustainable Development Goals (SDGs). The development of the marine renewable energy (MRE) sector will significantly mitigate the impact of climate change.

The rate of MRE development and climate change mitigation is still behind in achieving the 2 °C climate goal of the Paris Agreement. Therefore, more actions to tackle climate change and enhance sustainability are imperative. For instance, the goal of sustainably managing our seas requires Marine Spatial Planning (MSP) and integrated coastal/ocean management to map marine-based activities and develop efficient management and decision support tools. It is evident that this approach will further unlock and facilitate the expansion of MRE projects by balancing the needs of marine users and ensuring the sustainability of coastal and marine ecosystems. The development of the MRE sector is also susceptible to climate change. Therefore, a better understanding of how climate change impacts marine energy resources provides input to the design of more efficient MRE technologies and long-term planning procedures.

This Special Issue aims at presenting and highlighting novel methods, modeling approaches and solutions in the aforementioned challenges and welcomes both research articles and reviews. Research areas may include (but are not limited to) the following:

  • MRE technologies;
  • Offshore wind, wave, ocean/tidal current and offshore solar energy;
  • Emerging MRE sources;
  • Knowledge gaps in MRE;
  • MRE and climate nexus;
  • Climate change impacts on MRE at different scales;
  • Tools for MSP.

Dr. Flora E. Karathanasi
Dr. Takvor Soukissian
Dr. Ioannis Kyriakides
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. Sustainability 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

  • harvesting devices
  • resource assessment
  • multi-purpose platforms
  • climate change adaptation
  • marine spatial planning
  • socio-economics of marine renewables
  • environmental sustainability

Published Papers (3 papers)

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Research

22 pages, 17967 KiB  
Article
A 3D BEM Model for the Hydrodynamic Analysis and Design of Heaving WEC Arrays Attached to a Breakwater
by Alexandros Magkouris, Markos Bonovas, Theodoros Gerostathis and Kostas Belibassakis
Sustainability 2023, 15(17), 12777; https://doi.org/10.3390/su151712777 - 23 Aug 2023
Viewed by 627
Abstract
Assessment of the performance of arrays of wave energy converters (WECs) of the type of simple heaving floaters, operating in nearshore and coastal areas, is essential to estimate their power production capacity. The effective design and layout of such WEC farms can be [...] Read more.
Assessment of the performance of arrays of wave energy converters (WECs) of the type of simple heaving floaters, operating in nearshore and coastal areas, is essential to estimate their power production capacity. The effective design and layout of such WEC farms can be supported by studying the system’s operational characteristics based on the wave climatology of the deployment region. Installation along the exposed side of harbor breakwaters in sea areas with substantial incoming energy potential is a promising option. In this study, a 3D hydrodynamic model based on the boundary element method (BEM) is presented and discussed, aiming to evaluate the performance of WEC arrays consisting of multiple heaving bodies attached to the exposed side of a harbor breakwater, modelled as a vertical wall, considering its reflective effects, as well as hydrodynamic interactions between the multiple floating devices. Numerical results of the predicted power performance for various configurations, including interactions of multiple WECs with the nearshore topography and the breakwater wall, as well as the effects of power take off (PTO) parameters, are presented and discussed. Finally, a case study is presented for a selected coastal site at the port of Heraklion, located in the north-central part of Crete Island in the South Aegean Sea, characterized by relatively increased wave energy potential, using long-term climatological data, illustrating the method and its applicability as a supporting tool for optimal design of WEC arrangements. Full article
(This article belongs to the Special Issue Climate Change, Marine Renewables and Sustainable Development)
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29 pages, 9248 KiB  
Article
The Effect of Hydrodynamics on the Power Efficiency of a Toroidal Oscillating Water Column Device
by Dimitrios N. Konispoliatis
Sustainability 2023, 15(16), 12524; https://doi.org/10.3390/su151612524 - 17 Aug 2023
Cited by 1 | Viewed by 660
Abstract
This study tries to identify the effect of hydrodynamics on the absorbed wave power using a toroidal Oscillating Water Column (OWC) device. To this end, the fundamental hydrodynamic boundary value problem for an arbitrary shaped toroidal OWC device of revolution with vertical axis [...] Read more.
This study tries to identify the effect of hydrodynamics on the absorbed wave power using a toroidal Oscillating Water Column (OWC) device. To this end, the fundamental hydrodynamic boundary value problem for an arbitrary shaped toroidal OWC device of revolution with vertical axis is solved. The described method is based on the discretization of the flow field around the device by means of ring-shaped macro-elements, in each of which axisymmetric eigenfunction expansions for the velocity potential is made. The solution sought for the corresponding diffraction and radiation velocity potentials is achieved using Galerkin’s method. The applied formulation is generic and can be employed for arbitrary configurations of toroidal OWCs. Therefore, the numerical results shown and discussed in the present paper, in terms of the hydrodynamic loads and the air volume flows inside the OWC chamber, concern different types of OWCs. From the present analysis, it is demonstrated that the absorbed wave power by the examined toroidal devices is strongly affected by the geometrical parameters of the device; thus, these should be properly considered towards the maximization of the device’s wave power efficiency. Full article
(This article belongs to the Special Issue Climate Change, Marine Renewables and Sustainable Development)
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12 pages, 3295 KiB  
Article
Modelling of a Wave Energy Converter Impact on Coastal Erosion, a Case Study for Palm Beach-Azur, Algeria
by Mehrdad Moradi, Narimene Chertouk and Adrian Ilinca
Sustainability 2022, 14(24), 16595; https://doi.org/10.3390/su142416595 - 11 Dec 2022
Cited by 2 | Viewed by 1710
Abstract
Facing the exhaustion of fossil energy and in the context of sustainable development, strong incentives are pushing for the development of renewable energies. Nuclear energy and fossil fuels like petroleum, coal, and natural gas provide most of the energy produced today. As a [...] Read more.
Facing the exhaustion of fossil energy and in the context of sustainable development, strong incentives are pushing for the development of renewable energies. Nuclear energy and fossil fuels like petroleum, coal, and natural gas provide most of the energy produced today. As a result, greenhouse gases are released and climate change becomes irreversible. Furthermore, radioactive waste disposal causes severe radiation pollution in nuclear power. Alternatives such as marine energy are more sustainable and predictable. It has none of the detrimental effects of fossil and nuclear energies and is significant in terms of environmental sustainability by defending the coastline from erosion. Here, we study the Palm Beach-Azur region near Algiers on the Mediterranean Sea. The study aims to use wave energy converters (WEC) to generate clean energy and reduce coastline erosion. The results of this study show that in the presence of wave energy converters, the wave height decreased by 0.3 m, and sediment deposition increased by 0.8 m. Thus, sand deposit prediction demonstrates that the presence of WEC decreases marine erosion and contributes to an accumulation of sediments on the coast. Moreover, this confirms that WECs can serve a dual role of extracting marine energy by converting it into electrical energy and as a defence against marine erosion. Therefore, WECs justify their efficiency both in energy production and economic and environmental profitability due to coastal protection. Full article
(This article belongs to the Special Issue Climate Change, Marine Renewables and Sustainable Development)
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