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Oceans, Volume 7, Issue 2

2026 April - 16 articles

Cover Story: Marine renewable energy assessments rely on long-term met-ocean datasets, yet these often differ in temporal resolution, complicating their joint use. This study presents a unified framework to harmonise multi-variable ocean and climate time series by balancing interpolation accuracy and computational efficiency. Six environmental variables relevant to offshore energy (wind, waves, solar irradiance, and thermal gradients) are analysed using ten years of data for the Madeira Archipelago. Results show that makima interpolation provides the most consistent compromise between accuracy and efficiency for most variables in dense, regularly sampled met-ocean datasets, while spline methods better capture highly skewed solar irradiance. The proposed workflow supports efficient, reliable early-stage marine renewable energy assessments. View this paper
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Articles (16)

  • Article
  • Open Access
1 Citations
1,363 Views
31 Pages

16 April 2026

Harmonising heterogeneous met-ocean time series to a common temporal resolution is a prerequisite for integrated marine renewable energy assessments. Such datasets often differ in their sampling frequency, statistical distribution, and non-stationari...

(This article belongs to the Special Issue Offshore Renewable Energy and Related Environmental Science)
  • Article
  • Open Access
1,019 Views
20 Pages

10 April 2026

To ensure safe and stable operation of towed array systems in complex marine environments, the concept of a Safe Maneuvering Envelope (SME) for towing maneuvers is proposed based on flexible cable dynamics theory. The dynamic equations of the towed a...

  • Article
  • Open Access
1,617 Views
26 Pages

Physical Coastal Vulnerability Assessment of the Monrovia Coastline (Liberia) Using a Multi-Parameter Coastal Vulnerability Index

  • Titus Karderic Williams,
  • Youssef Fannassi,
  • Zhour Ennouali,
  • Abdelahq Aangri,
  • Tarik Belrhaba,
  • Isaac Tukpah,
  • Aıcha Benmohammadi and
  • Ali Masria

7 April 2026

This study presents a city-scale physical coastal vulnerability assessment of the 21 km Monrovia coastline (Liberia) using a multi-parameter coastal vulnerability index (CVI). Nine physical parameters—geology/geomorphology, shoreline change rat...

(This article belongs to the Topic Coastal Engineering: Past, Present and Future)
  • Article
  • Open Access
879 Views
17 Pages

Marine Litter Monitoring on Apulian Beaches in the Decade 2014–2023: Some Evidence of a Decreasing Trend

  • Nicola Ungaro,
  • Federica Lefons,
  • Annamaria Pastorelli and
  • Enrico Barbone

7 April 2026

In recent decades, the issue of marine litter has emerged as a major environmental concern, particularly with regard to plastic litter. The European Marine Strategy Framework Directive (MSFD, 2008/56/EC) requires member states to monitor marine litte...

(This article belongs to the Topic Conservation and Management of Marine Ecosystems)
  • Article
  • Open Access
985 Views
20 Pages

2 April 2026

Quinolone antibiotic (QA) residues in various natural environments have recently received massive scientific attention. Nevertheless, there is limited information on the distribution characteristics and potential hazards of antibiotics in coastal wet...

  • Article
  • Open Access
1,793 Views
26 Pages

1 April 2026

Marine Protected Areas (MPAs) are essential for preserving marine biodiversity; yet they face challenges from various human pressures, including vessel activities. This study examines the extent, spatial distribution, and temporal variability of vess...

  • Article
  • Open Access
1 Citations
1,097 Views
15 Pages

31 March 2026

Ocean fronts play a vital role in modulating climate variability, driving material transport, and maintaining the stability of marine ecosystems. Therefore, accurate identification of ocean fronts is of great significance for marine environmental mon...

(This article belongs to the Special Issue Recent Progress in Ocean Fronts)
  • Article
  • Open Access
1,278 Views
25 Pages

Spatial Priorities for Protecting the Black Sea Harbour Porpoise: Abundance and Habitat Suitability in Bulgarian Waters

  • Venceslav Delov,
  • Krastio Dimitrov,
  • Konstantin Mihaylov,
  • Georgi Terziyski,
  • Yana Stoyanova,
  • Petar Dimov,
  • Nikolay Nedyalkov,
  • Gergana Nikolova,
  • Boris Karakushev and
  • Nikolay Natchev

20 March 2026

The Black Sea harbour porpoise (Phocoena phocoena relicta Abel, 1905) is an endemic cetacean with poorly understood spatial ecology in Bulgarian waters. This study aimed to update knowledge on its distribution, abundance, and habitat use throughout t...

  • Article
  • Open Access
1 Citations
1,757 Views
18 Pages

The Alien Jellyfish Cassiopea andromeda in the Mediterranean Sea: Invasion Dynamics and Management Strategies

  • Patrizia Perzia,
  • Serena Zampardi,
  • Teresa Maggio,
  • Manuela Falautano and
  • Luca Castriota

18 March 2026

Cassiopea andromeda is an invasive alien jellyfish that is increasingly reported across the Mediterranean Sea, yet its invasion dynamics and ecological implications remain poorly understood. This study provides an updated assessment of its spatial an...

  • Article
  • Open Access
1,400 Views
28 Pages

Model Prediction of Macroplastic Distributions in European Marine Basins: Comparison with Beach and Floating Macroplastic Observations and Estimation of Model Accuracy

  • Elisa Garcia-Gorriz,
  • Diego Macias-Moy,
  • Daniel González-Fernández,
  • Antonella Arcangeli,
  • Nuno Ferreira-Cordeiro,
  • Olaf Duteil,
  • Svetla Miladinova,
  • Ove Pärn,
  • Luis Francisco Ruiz-Orejón and
  • Léa David
  • + 2 authors

12 March 2026

Accumulation of plastic litter in the marine environment is a pressing global concern. To study this issue, we use the Blue2 Modelling Framework (Blue2MF), an integrated modelling tool developed by the Joint Research Centre (JRC) of the European Comm...

  • Article
  • Open Access
1,308 Views
23 Pages

9 March 2026

The wake that forms behind a yawing wind turbine is a complex flow region that can affect the performance of downstream turbines in offshore wind farms. It contains various flow features, including velocity deficit, shear layers, and vortex structure...

(This article belongs to the Special Issue Offshore Renewable Energy and Related Environmental Science)
  • Article
  • Open Access
1,039 Views
17 Pages

5 March 2026

The characteristics and causes of the long-term trends of diurnal variation of sea surface temperature (DSST) in the South China Sea (SCS) are investigated in this study based on the global hourly sea surface temperature data generated by the mixed l...

(This article belongs to the Special Issue Recent Progress in Ocean Fronts)
  • Article
  • Open Access
929 Views
11 Pages

Coherent Sea Level Variability Between the Sicily Channel and the Ionian Sea: Evidence of a Dynamical Coupling in the Mediterranean Sea

  • Ernesto Napolitano,
  • Adriana Carillo,
  • Roberto Iacono,
  • Gianluca Eusebi Borzelli and
  • Maria Vittoria Struglia

4 March 2026

This study uses satellite altimeter data from the new AVISO dataset to investigate the coupling between sea level variability in the Sicily Channel and the Ionian Sea. The dataset spans the last three decades (1993–2024) and provides high spati...

(This article belongs to the Special Issue Ocean Observing Systems: Latest Developments and Challenges)
  • Article
  • Open Access
1 Citations
1,927 Views
18 Pages

Baited-Associated Aggregation of Spinner Sharks in Hulhumale, Maldives: Preliminary Observations and Photo-Identification Tools

  • Francesca Romana Reinero,
  • Marco Pireddu,
  • Giacomo Ridella,
  • Lorenzo Valenti,
  • Antonio Pacifico,
  • Francesca Ellero and
  • Primo Micarelli

2 March 2026

The spinner shark is a widely distributed coastal species that faces significant anthropogenic pressures, yet information on its ecology in the western Indian Ocean remains poorly documented. This study provides preliminary baseline observations on t...

  • Article
  • Open Access
1,511 Views
23 Pages

26 February 2026

The Bering Sea and its surrounding waters are commercially and ecologically important ecosystems. Knowledge of phytoplankton phenology is crucial for understanding ecosystem dynamics. However, estimates of phenological parameters of spring phytoplank...

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Oceans - ISSN 2673-1924