Marine Renewable Energy and Environment Evaluation

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

Deadline for manuscript submissions: 20 May 2026 | Viewed by 3249

Special Issue Editor


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Guest Editor
Dalian Naval Academy, Dalian 116018, China
Interests: wind energy; wave energy; energy evaluation; energy big data; air-sea interaction; climate change

Special Issue Information

Dear Colleagues,

As the energy and environment crises are accelerating, the smog and the deteriorating ecological environment have been gaining more and more attention. How to solve these crises has become the shared responsibility for all mankind. Today, conventional energy, such as coal and gas, is in severe shortage. Thus, marine renewable energy will become a pillar to human society in the 21st century, supporting sustainable development. It will also be one of the best solutions to climate change and conventional energy shortages.

Advantages such as regeneration, large reserves, and continuous and wide distribution make marine renewable energy (wind energy, wave energy, etc.) important in breaking the energy dilemma. These energies are mainly used in power generation and can also be widely used in seawater desalination, hydrogen production, etc., providing electricity for distant islands, lighthouse buoys, marine pastures, and island tourism. However, there are significant regional and seasonal differences in the resource distribution of marine renewable energy. Therefore, adequate knowledge of the resource characteristics is a prerequisite for the safe and efficient development of energy, which puts forward the demand for resource assessment. In addition, frequent marine disasters usually bring serious harm to marine development and construction. Therefore, fully mastering marine environment characteristics is a prerequisite for safe marine construction.

Dr. Chongwei Zheng
Guest Editor

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Keywords

  • marine renewable energy evaluation
  • power plant location technology of marine renewable energy
  • energy big data construction of marine renewable energy
  • spatial–temporal characteristics of marine parameters
  • ocean observation technology
  • marine renewable energy device design and application
  • deep learning-based energy and environment short-term forecasting
  • machine learning-based energy and environmental forecasting
  • AI-based energy and environment evaluation and development
  • remoting sensing application in energy and environmental evaluation

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Published Papers (5 papers)

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Research

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24 pages, 5594 KB  
Article
A Joint Evaluation of the Renewable Energy Resources at the Mouths of the Danube River
by Victor-Ionut Popa, Eugen Rusu, Ana-Maria Chirosca and Liliana Rusu
J. Mar. Sci. Eng. 2026, 14(5), 471; https://doi.org/10.3390/jmse14050471 - 28 Feb 2026
Cited by 1 | Viewed by 368
Abstract
The present study aims to provide a comprehensive and integrated analysis of the potential of offshore renewable energy resources in the maritime sector located at the Danube mouth area in the Black Sea, one of the most complex and dynamic hydrological and climatic [...] Read more.
The present study aims to provide a comprehensive and integrated analysis of the potential of offshore renewable energy resources in the maritime sector located at the Danube mouth area in the Black Sea, one of the most complex and dynamic hydrological and climatic systems in Eastern Europe. In the current context of climate change, the Danube mouths are of strategic importance due to the specific morphology of the area and the high potential for harnessing multiple renewable sources such as wind, wave, and solar energy. Therefore, this research supports sustainable development and adaptation to climate change. At the same time, predicted climate change may increase the frequency of extreme events, such as storms, sudden changes in water levels, and increased wave heights, which can affect navigational safety, ecosystem integrity, and coastal infrastructure. Thus, this research seeks not only to identify the energy potential of renewable resources but also to assess their risks and vulnerabilities. Using a wide range of data types, three time periods were studied for the main Danube mouth: Sulina and St. George. Both Sulina and St. George present future wind and wave intensification trends, especially in high-emission scenarios, without significant changes in the dominant direction. St. George remains the area with the more intense regime, while Sulina has more moderate episodes, but with a slightly more evident increase in the frequency of 6–12 m/s winds. At the same time, solar radiation shows a slight increase in recent years, especially in the summer season. Harnessing these resources has the potential to, for example, power coastal communities and offshore installations, providing clean and reliable energy while reducing greenhouse gas emissions. Full article
(This article belongs to the Special Issue Marine Renewable Energy and Environment Evaluation)
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27 pages, 8569 KB  
Article
Spatiotemporal Characteristics of Offshore Wind Energy Availability in the China Seas and Adjacent Waters over the Past Several Decades
by Yunuo Liu, Qinghong Li, Ruizhe Shen, Fenghua Zhang, Zhengming Qiao and Lei Wang
J. Mar. Sci. Eng. 2026, 14(3), 320; https://doi.org/10.3390/jmse14030320 - 6 Feb 2026
Viewed by 458
Abstract
Current wind energy planning in the China Seas and adjacent waters generally focuses on wind speed or wind power density (WPD), yet lacks sufficient understanding of the long-term climatic evolution patterns and climatic driving mechanisms of effective wind speed occurrence (EWSO) and its [...] Read more.
Current wind energy planning in the China Seas and adjacent waters generally focuses on wind speed or wind power density (WPD), yet lacks sufficient understanding of the long-term climatic evolution patterns and climatic driving mechanisms of effective wind speed occurrence (EWSO) and its correlation with climate oscillations. Based on the ERA5 10 m sea surface wind reanalysis data from the European Centre for Medium-Range Weather Forecasts (ECMWF) and multiple key climate index datasets from 1941 to 2020, this study systematically analyzed spatiotemporal distribution characteristics, long-term variation trends, and correlations with climate oscillations of EWSO in the China Seas and adjacent waters. The results indicated the following: (1) There are discrepancies between the distribution of EWSO and mean wind speed. (2) Over the past 80 years, EWSO across the study area has shown an overall significant increasing trend with pronounced regional disparities, among which the Yellow–Bohai Sea area has exhibited a significant decreasing trend. (3) The interannual variability of EWSO is regulated by climate oscillations such as ENSO. This study demonstrates that incorporating EWSO as an independent indicator separate from wind speed into the wind energy resource assessment system is crucial for identifying offshore wind power generation risks and more accurately evaluating the actual operational duration of wind farms in China’s offshore waters and adjacent sea areas. The correlation between EWSO and climate oscillations such as ENSO provides an important scientific basis for improving seasonal prediction models of wind energy resources. Full article
(This article belongs to the Special Issue Marine Renewable Energy and Environment Evaluation)
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28 pages, 4777 KB  
Article
Spatiotemporal Characteristics and Long-Term Variability of Large-Wave Frequency in the Northwest Pacific
by Zhen-Yu Zhao, Hong-Ze Leng, Yu-Han Wei, Jin-Hui Yang, Xuan Zhou, Ze-Zheng Zhao, Hui-Peng Wang, Bao-Xu Li, Wu-Xin Wang and Jun-Qiang Song
J. Mar. Sci. Eng. 2026, 14(2), 200; https://doi.org/10.3390/jmse14020200 - 19 Jan 2026
Viewed by 427
Abstract
This study provides a systematic analysis of the spatiotemporal distribution and trends in the frequency of significant wave height (SWH) exceeding level 5 (SWH > 2.5 m) and level 7 (SWH > 6 m) in the Northwest Pacific (NWP) for 1993–2024, which are [...] Read more.
This study provides a systematic analysis of the spatiotemporal distribution and trends in the frequency of significant wave height (SWH) exceeding level 5 (SWH > 2.5 m) and level 7 (SWH > 6 m) in the Northwest Pacific (NWP) for 1993–2024, which are defined as f5 and f7, respectively, as well as their correlations with major climate indexes. Our results indicate that (1) the high-value zones for the annual mean f5 and f7 are both located in the south waters of the Aleutian Islands, with maximum values of 58.0% and 6.4%, respectively. Winter’s contribution is greatest (maximum values of 96.9% and 16.8% per year), while summer’s is the smallest. (2) f5 exhibits a significant decline trend across the entire NWP basin (of −0.15 to −0.30%/yr), with the steepest decline occurring in autumn (−0.69%/yr) and the shallowest in summer. f7 exhibits a significant linear decrease in the open ocean east of Japan (−0.08%/yr) while showing a significant linear increase in the waters east of the Kamchatka Peninsula (0.08%/yr). Both variations peak in winter (maximum values of −0.27% and 0.30% per year) and are smallest in summer. (3) Seasonal and regional variations in climate index–f5 and f7 relationships reflect large-scale atmospheric modulation of waves. For example, the Oceanic Niño Index shows a predominantly negative correlation with f5 in winter (maximum correlation coefficient rm = −0.70) around the Luzon Strait, shifting to a significant positive correlation in summer (rm = 0.70) across the extensive region east of Taiwan Island and the Philippines. The Pacific Decadal Oscillation index shows a significant positive correlation with f7 in summer and autumn (rm = 0.69) east of Taiwan Island and a strong negative correlation in winter (rm = −0.77) to the east of Kamchatka Peninsula. Full article
(This article belongs to the Special Issue Marine Renewable Energy and Environment Evaluation)
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Review

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32 pages, 4212 KB  
Review
Sustainable Marine Energy Solutions: Assessing the Renewable Potential of the Adriatic Sea in Croatia
by Nastia Degiuli, Carlo Giorgio Grlj and Ivana Martić
J. Mar. Sci. Eng. 2026, 14(6), 541; https://doi.org/10.3390/jmse14060541 - 13 Mar 2026
Viewed by 569
Abstract
Marine energy technologies offer renewable alternatives to conventional energy sources by harnessing ocean-based resources such as wave motion, tides, temperature, and salinity gradients. They are particularly promising for coastal and island regions. This paper presents a literature-based assessment of the technical potential and [...] Read more.
Marine energy technologies offer renewable alternatives to conventional energy sources by harnessing ocean-based resources such as wave motion, tides, temperature, and salinity gradients. They are particularly promising for coastal and island regions. This paper presents a literature-based assessment of the technical potential and limitations of these resources, with a focus on the Adriatic Sea as a model for low-energy, semi-enclosed basins. Resource availability and technological maturity are systematically reviewed. Results indicate that wave energy offers the highest regional potential, with peak annual mean wave power reachig up to 2.784 kW/m near the southern offshore regions of the Adriatic. However, current resource levels limit feasibility to down-scaled, modular installations. Tidal and thermal energy are constrained by the Adriatic’s microtidal regime and limited temperature gradients. Although still in early development, salinity gradient systems may become viable near major river mouths such as those of the Po and Neretva. In addition to technical analysis, broad environmental and socio-economic considerations are reviewed to inform responsible marine energy development. These findings help define strategic development and research priorities for marine renewables in enclosed seas and other resource-constrained marine environments. Full article
(This article belongs to the Special Issue Marine Renewable Energy and Environment Evaluation)
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33 pages, 2278 KB  
Review
Local Scour Around Tidal Stream Turbine Foundations: A State-of-the-Art Review and Perspective
by Ruihuan Liu, Ying Li, Qiuyang Yu and Dongzi Pan
J. Mar. Sci. Eng. 2025, 13(12), 2376; https://doi.org/10.3390/jmse13122376 - 15 Dec 2025
Viewed by 729
Abstract
Local scour around support structures has remained a critical barrier to tidal stream turbine deployment in energetic marine channels since loss of embedment and bearing capacity has undermined stability and delayed commercialization. This review identifies key mechanisms, practical implications, and forward-looking strategies related [...] Read more.
Local scour around support structures has remained a critical barrier to tidal stream turbine deployment in energetic marine channels since loss of embedment and bearing capacity has undermined stability and delayed commercialization. This review identifies key mechanisms, practical implications, and forward-looking strategies related to local scour. It highlights that rotor operation, small tip clearance, and helical wakes can significantly intensify near-bed shear stress and erosion relative to monopile foundations without turbine rotation. Scour behavior is compared across monopile, tripod, jacket, and gravity-based foundations under steady flow, reversing tides, and combined wave and current conditions, revealing their influence on depth and morphology. The review further assesses coupled interactions among waves, oscillatory currents, turbine-induced flow, and seabed response, including sediment transport, transient pore pressure, and liquefaction risk. Advances in prediction methods spanning laboratory experiments, high-fidelity simulations, semi-empirical models, and data-driven techniques are synthesized, and mitigation strategies are evaluated across passive, active, and eco-integrated approaches. Remaining challenges and specific research needs are outlined, including array-scale effects, monitoring standards, and integration of design frameworks. The review concludes with future directions to support safe, efficient, and sustainable turbine deployment. Full article
(This article belongs to the Special Issue Marine Renewable Energy and Environment Evaluation)
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