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Katrien An Heirman, Tove Nielsen and Antoon Kuijpers
To understand the geomorphological contrast between the northern and southern parts of the Southeast Greenland margin with its marked differences in sedimentary regime, bathymetric and seismic reflection, data have been compiled and analysed. While previ...
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Guohui Xu, Shiqing Sun, Yupeng Ren, Meng Li and Zhiyuan Chen
Turbidity currents are important carriers for transporting terrestrial sediment into the deep sea, facilitating the transfer of matter and energy between land and the deep sea. Previous studies have suggested that turbidity currents can exhibit high velo...
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Majid Mehrasa, Radu Godina, Edris Pouresmaeil, Eduardo M. G. Rodrigues and João P. S. Catalão
In order to reach better results for pulse width modulation (PWM)-based methods, the reference waveforms known as control laws have to be achieved with good accuracy. In this paper, three control laws are created by considering the harmonic components of...
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Xinran Ji, Chuanle Xu, Zhiyuan Ren, Sheng Yan, Daoru Wang and Zongbing Yu
Rip currents are fast offshore currents generated during the breaking process of waves propagating nearshore, posing a potential life safety threat to coastal bathers. This study utilizes a Boussinesq phase-resolving model to investigate the formation me...
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David B. Fissel and Yuehua Lin
Lower Cook Inlet (LCI) is an important waterway with very large tides and high marine productivity. Oceanographic forcing in LCI is complex due to a combination of tides, seasonal winds, and large freshwater discharges, as well as inflow from the Alaska ...
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Chaopeng Yang, Jiacai Pan, Kai Wei, Mengjie Lu and Shihao Jia
Ocean currents make it difficult for unmanned surface vehicles (USVs) to keep a safe distance from obstacles. Effective path planning should adequately consider the effect of ocean currents on USVs. This paper proposes an improved A* algorithm based on a...
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Elizaveta Khimchenko and Alexander Ostrovskii
The article presents observations of near-inertial internal waves (NIWs) in the slope waters of the Black Sea in winter and summer. Rotary spectral analysis of a time series of sea current velocity measurements revealed the prevailing anticyclonic compon...
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Shitu Chen, Ling Feng, Xuteng Bao, Zhe Jiang, Bowen Xing and Jingxiang Xu
Path planning is crucial for unmanned surface vehicles (USVs) to navigate and avoid obstacles efficiently. This study evaluates and contrasts various USV path-planning algorithms, focusing on their effectiveness in dynamic obstacle avoidance, resistance ...
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Tatyana Aksenovich and Vasiliy Selivanov
During geomagnetic storms, which are a result of solar wind?s interaction with the Earth?s magnetosphere, geomagnetically induced currents (GICs) begin to flow in the long, high-voltage electrical networks on the Earth?s surface. It causes a number of ne...
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Juan Gabriel Rueda-Bayona, José Luis García Vélez and Daniel Mateo Parrado-Vallejo
The evolution of tidal stream turbines is increasing the feasibility of future tidal plants in shallow depth areas with mid-tidal ranges (<5 m). However, extreme events such as changes in bathymetry due to the access channel deepening of coastal ports an...
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Yuliya Koudryashova, Tatiana Chizhova, Pavel Zadorozhny, Anna Ponomareva and Alena Eskova
The concentrations of 14 polycyclic aromatic hydrocarbons (PAHs) in the sediment of the Tatar Trough were studied. Despite the increase in PAH concentrations over recent decades, which is likely the result of the handling and transportation of fossil fue...
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Andrei Kholmogorov, Vladimir Ponomarev, Nadezhda Syrbu and Svetlana Shkorba
Dissolved methane coming from its various sources is an important component of seawater. Finding these probable sources allows for the determination of potential oil and/or gas deposit areas. From an ecological point of view, methane transport studies ca...
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Changsheng Chen and Qichun Xu
An adjoint data assimilation method was incorporated into the ECOM-si coastal ocean circulation model and applied to assimilate the flow field on the southern flank of Georges Bank from March to June 1999. The model was driven by tidal forcing consisting...
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Andrew Want, Audrey Goubard, Solène Jonveaux, Donald Leaver and Michael C. Bell
Marine habitats are being targeted for the extraction of offshore renewable energy (ORE) as part of the drive to decarbonise electricity generation. Unmanaged biofouling impacts ORE devices and infrastructure by elevating drag forces, increasing weight, ...
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Ageliki Kytariolou and Nikos Themelis
Route planning procedures for ocean-going vessels depend significantly on prevailing weather conditions, the ship?s design characteristics and the current operational state of the vessel. The operational status considers hull and propeller fouling, which...
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Raúl Jiménez-Romero, Luis Miguel Fernández-Salas, Desirée Palomino, Ricardo Félix Sánchez-Leal and Yolanda Vila
The dense and deep water flow that leaves the Mediterranean Sea to the Atlantic flows through the upper and middle slope of the Gulf of Cádiz as a powerful bottom stream that models and interacts with bathymetry. The detailed analysis of underwater image...
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Sang Su Shin, Seo Yeol Choi, Min Ho Seo, Seok Ju Lee, Ho Young Soh and Seok Hyun Youn
To understand the effects of variable water masses in the northeastern East China Sea (Korea South Sea), planktonic copepods were seasonally sampled. Out of a total of 106 copepod species, 85 were oceanic warm-water species, and the number of species var...
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Vsevolod Yutsis, Oleg Levchenko and Victoria Putans
High fluvial input combined with specific topographic and oceanographic settings in the Caspian Sea create favorable conditions for contourite deposition. For the first time in its middle portion, contourite deposits have been observed in high-resolution...
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Guoqi Han, Jon Chamberlain, Colin Webber and Charles Hannah
The world?s largest living glass sponge reefs, located in the Hecate Strait and Queen Charlotte Sound off British Columbia, are impacted by bottom contact fishing gear. The existing Adaptive Management Zones (AMZs) for the protection of these reefs were ...
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Qunhong Tian, Tao Wang, Yunxia Wang, Changjiang Li and Bing Liu
The bionic robotic fish is one of the special autonomous underwater vehicles (AUV), whose path planning is crucial for many applications including underwater environment detection, archaeology, pipeline leak detection, and so on. However, the uncertain o...
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