2026 October-1 - 101 articles
Accurate prediction of sea level change in the Mediterranean Sea is essential for coastal risk management; however, the nonstationary behavior of sea level makes this difficult. This study presents a hybrid framework that integrates variational mode...
Underwater sensor networks (USNs) constitute the fundamental infrastructure for marine monitoring and oceanographic data collection. The reliable transmission links are essential for the operation of these sensor nodes. Acoustic transmission provides...
This study investigated the spatial distribution, pollution levels, probable sources, and overall ecological risks of heavy metals (Cu, Pb, Zn, Cd, and Hg) in surface sediments from a coastal area near Yangshan Port using 45 sediment samples. The mea...
Missing acceleration responses caused by sensor faults and transmission interruptions can compromise the reliability of structural health monitoring for offshore platforms. To address continuous data loss, this study proposes a hierarchical feature f...
Wind loads acting on an offshore floating structure are important for the global performance analysis and mooring design. In early design stages, detailed topside geometry may not be fully available; therefore, a wind-load analysis should be performe...
The cooling of surface water in coastal seas is routinely detected by surface sensors, but a surface record alone cannot show whether the water below cooled at the same time or instead became warmer, and the two patterns may arise from different phys...
Automatic Identification System (AIS) data provide sequential motion observations for ship-behavior analysis, yet high-level navigational behavioral semantics cannot be reliably interpreted from low-level motion features alone, especially considering...
Marine herbivorous isopods can have negative impacts on cultivated marine macroalgae, in the same way that terrestrial insects can negatively affect plant communities. Color preference of harmful insects has been studied and applied in controlling th...
Wind turbines exhibit pronounced dynamic responses under complex environmental loading conditions such as wind, waves, and earthquakes. To this end, this study proposes a decoupled aeroelastic analysis method that explicitly accounts for blade dynami...
Planing-hull dynamics differ markedly from those of displacement vessels because, at high speeds, hydrodynamic lift dominates and pressure forces depend strongly on the instantaneous wetted surface—even small heave and pitch motions can introdu...
Organic carbon bound to reactive iron (OC-FeR) constitutes 10–80% of the organic carbon (OC) preserved in marine sediments. Estuaries are characterized by strong OC-FeR enrichment, but the distribution and preservation of OC-FeR in tropical est...
Atypical bottom-simulating reflector (BSR)-like responses in structurally complex gas-hydrate provinces are difficult to interpret using morphology alone. This review develops a literature-constrained, physics-guided framework that organizes such res...
Ballast water can transport microorganisms, including potentially pathogenic bacteria (PPB), between aquatic environments. This study examined bacterial communities and PPB assemblages in 11 ballast water samples using 16S rRNA gene amplicon sequenci...
Longline fisheries harvest high-value pelagic and demersal species but remain labor-intensive and require reliable monitoring of catches, bycatch, and fishing effort. This technology-oriented narrative review synthesizes 71 sources on mechanization,...
Submarine landslides are a major geohazard in deep water, posing a severe threat to the safety of seabed infrastructure. Progressive failure on gentle slopes is commonly governed by strain softening of soils and shear band propagation (SBP). Several...
Ocean acoustic-tomography (OAT) inversion depends on relative clock offsets, transducer positions, the sound-speed profile, and the system time offset, which are unknown and coupled. We propose a segmented Bayesian method for their unified calibratio...
To address the problems of low contrast, blurred target edges and strong background clutter interference in foggy maritime images, as well as the fixed parameters and poor adaptability of conventional enhancement methods in maritime scenarios, a weak...
Shipboard spare-parts management is a safety-critical duty required by SOLAS, but it still relies on manual identification by crew, which risks misclassification and maintenance failure. Image-based classification faces two constraints: labeled image...
Reliable visual perception of surrounding vessels is essential for situational awareness and safe navigation of unmanned surface vehicles (USVs). In complex nearshore waterways, densely distributed ships, significant scale variations, and mutual occl...
Research on gas hydrate accumulation in the Shenhu Area of the northern South China Sea has been conducted, highlighting a vertical distribution pattern with gas hydrates at the top and free gas at the bottom, with both coexisting in the middle of th...
This study presents a numerical investigation of an artificial baffle-assisted horizontal well depressurization production scheme. The baffles were placed at the top and bottom of the hydrate layer to mitigate water invasion. Based on the simulation...
The advantage of transverse vertical-axis tidal turbines (TVATTs) lies in exploiting the free-surface effect to enhance the power coefficient, which renders their hydrodynamic characteristics susceptible to wave influence. Therefore, this paper devel...
Against the backdrop of global climate change and rapid urbanization, island cities face increasing compound-flood risks due to their fragmented topography and limited terrestrial space, yet cross-scale modeling and high-resolution exposure assessmen...
Hydropower is recognized as a clean and low-carbon energy source, playing an important role in the green development of various countries. Cavitation is likely to occur at the turbine blades and pipes under complex working conditions. Machine perform...
To address the issues of model uncertainties and external disturbances in path tracking control, a gain-scheduled adaptive Tube-NMPC algorithm is proposed. Tube robust constraints are incorporated into the NMPC framework to enhance disturbance reject...
Large-scale offshore aquaculture vessels provide an effective approach for expanding marine aquaculture; however, the complex flow characteristics induced by water circulation systems and vessel motion remain insufficiently understood. In this study,...
Addressing the engineering needs of long-distance towing transportation for offshore wind turbine jackets in deep seas, as well as addressing the deficiencies in existing research regarding the quantitative comparison of stress response systems under...
Diving accidents remain frequently fatal, and most stem from preventable human factors: panic, failed buoyancy control, and disorientation. Underwater human–robot interaction research has focused on observing the diver and offers little help wh...
Coastal geoheritage is exposed to interacting natural and human pressures that require management approaches capable of linking degradation diagnosis with conservation responses. This study applies an integrated decision-support framework combining a...
Federated learning (FL) enables collaborative maritime perception without transferring raw observations, but solar-powered clients must preserve energy for platform-specific duties. Existing energy-aware FL generally applies a common battery constrai...
Accurate compensation for acoustic ranging errors is essential for high-precision underwater positioning. However, existing effective sound velocity table (ESVT) methods remain constrained by the computational overhead of dense spatial grids and inte...
Large LNG carriers are sensitive to wave-induced motions at berth, where excessive motions and mooring-line loads compromise operations and safety. This study investigates the wave-induced responses of a fully loaded 177,000 m3 LNG carrier using the...
A growing reliance on (ageing) sea walls to protect people, property and infrastructure is a global coastal management issue. Wave overtopping hazard is increasing in likelihood throughout the year due to sea-level rise and is not only associated wit...
This study evaluated excessive-acceleration vulnerability based on the Level 1 and Level 2 criteria of the IMO second-generation intact stability framework. A 13K oil chemical tanker was analyzed, incorporating wave-induced dynamic effects into the a...
Accurate short-term container throughput volume (CTV) forecasting is crucial for optimizing yard management and port operational efficiency. However, conventional forecasting frameworks typically assume deterministic vessel-side container volumes, ne...
Wake losses constrain power capture in deep-offshore floating wind farms. Unlike fixed-bottom turbines, yaw control in floating turbines changes both wake propagation and aerodynamic thrust; the resulting platform repositioning further alters wake ov...
Abandoned delta lobes worldwide face severe net erosion driven by chronic sediment starvation and intensifying marine hydrodynamic forcing, which poses pervasive threats to nearshore and offshore engineering infrastructure, particularly delta zones w...
Nautical area scattering coefficient (NASC) data from small coastal acoustic surveys are strongly zero-inflated and spatially autocorrelated. We analysed 3324 integration intervals from 19 surveys in Jinhae Bay, Korea: May–September 2023 and Ma...
Reliable characterization of dependent wind–wave extremes is essential for offshore wind engineering in monsoon- and tropical-cyclone-affected seas. Using a 2002–2020 COAWST hindcast for an offshore site in the northern South China Sea, w...
Uncertainty may affect the effectiveness and feasibility of berthing trajectory planning for unmanned surface vessels. To enhance the disturbance-rejection capability and robustness of unmanned surface vessel berthing trajectory planning under uncert...
Maritime surveillance by unmanned surface vehicles (USVs) can be degraded by external supervisory communication loss. This study formulated communication-denied maritime surveillance using a USV as a surveillance-band regulation problem, assuming tha...
To address slow dynamic-reconfiguration response and difficulty in satisfying hard constraints in the task scheduling of heterogeneous maritime unmanned platforms, this paper proposes a constraint-aware proximal policy optimization (CPPO). CPPO model...
Nuclear propulsion has returned to the shipping decarbonisation debate, but its commercial case is settled by institutions rather than by reactors. We develop a reproducible stochastic model that endogenises the two-tier compliance mechanism of the I...
Surface wakes generated by submerged bodies are weak in visible-light images and obscured by wind waves. Towing experiments with a submerged sphere in a large basin investigated the effects of towing speed, submergence depth, wind speed, and camera v...
The deep reinforcement learning (DRL) method shows great potential in unmanned underwater vehicle (UUV) motion control. Traditional control methods rely on an accurate UUV model. However, due to the nonlinearity of the UUV model and the complex under...
Reliable burst strength assessment of corroded casing is essential for wellbore integrity in offshore CO2 storage. Existing burst strength models were mostly developed in the pipeline context, and some have been introduced into downhole casing assess...
Maritime safety and security are increasingly shaped by dense traffic, digitised navigation, automation, cyber-physical dependencies, decarbonisation and geopolitical conflict. Deliberate attacks on civilian shipping compound the difficulty of protec...
Automated Container Terminals (ACTs) are increasingly challenged by uncertain vessel arrival times, which cause fluctuations in unloading demand and disrupt pre-established yard allocation plans. To address this issue, this study develops a yard allo...
Underwater object detection is hindered by haze, color distortion, and weak object boundaries. This study develops MTUDNet, a YOLOv8n-based framework that combines a dehazed appearance, RGB-derived pseudo-depth, and depth-guided texture cues with fre...
The thick organic-rich shale in the Mesoproterozoic Xiamaling Formation in the Yanshan area is a potential target for shale gas exploration. A field profile survey revealed several sets of diabase intrusions in the Xiamaling Formation, and these intr...
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