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Topic Review
Zero-Trust Marine Cyberdefense for IoT-Based Communications
Integrating Explainable Artificial Intelligence (XAI) into marine cyberdefense systems can address the lack of trustworthiness and low interpretability inherent in complex black-box Network Intrusion Detection Systems (NIDS) models. XAI has emerged as a pivotal focus in achieving a zero-trust cybersecurity strategy within marine communication networks. 
  • 86
  • 31 Jan 2024
Topic Review
Wave Energy Marine Buoys
The power supply is usually the bottleneck for marine distributed systems such as buoys. Wave energy technologies are especially useful in this sense, as they can capture and convert the promising “native” renewable energy in the ocean (i.e., wave energy) into electricity.
  • 2.4K
  • 08 Jul 2022
Topic Review
Vortex-Induced Motions of Floating Offshore Wind Turbine Structures
The ‘Green Shift’ from fossil energy (coal, oil and natural gas) to renewable energy (sunlight, wind, waves and tide) is now a global trend. DNV forecasts that by 2050, the installed floating global wind capacity will have grown from today’s 100 megawatts (MW) to over 264 gigawatts (GW), so that 2% of the world’s electricity demand can be supplied by cost-efficient and dependable floating offshore wind. Floating offshore wind is considered to be a viable solution at water depths exceeding 50 to 60 m with abundant wind resources. As a fast-evolving technology, it has the potential for less foundation material, shortened installation cycle and decommissioning, and additional wind power generation.
  • 660
  • 11 Aug 2022
Topic Review
USRC Washington (1832)
The United States Revenue Cutter Washington was one of the 13 cutters of the Morris-Taney class. These cutters were the backbone of the United States Revenue Cutter Service for more than a decade. Samuel Humphreys designed these cutters for roles as diverse as fighting pirates, privateers, combating smugglers and operating with naval forces. He designed the vessels on a naval schooner concept. They had Baltimore Clipper lines. The vessels built by Webb and Allen, designed by Isaac Webb, resembled Humphreys' but had one less port.
  • 217
  • 20 Oct 2022
Topic Review
Underwater Sensing Technologies and Applications
Currently, a variety of sensing methods based on optics, acoustics, and electromagnetics are widely applied for ocean observation and exploration. Acoustic sensing contains various sonar devices for seafloor mapping, submersible navigation, and underwater object. Optical sensing technologies applied to ocean exploration include underwater imaging for objects inspection, spectrophotometry, and fluorophotometry for environmental parameters monitoring. Technologies of electromagnetics are used for underwater metal detection such as mines and mineral resources, and for underwater inspections of cables and pipelines.
  • 1.5K
  • 13 Dec 2021
Topic Review
Underwater Image Enhancement and Underwater Biological Detection
For aquaculture resource evaluation and ecological environment monitoring, the automatic detection and identification of marine organisms is critical; however, due to the low quality of underwater images and the characteristics of underwater biological detection, the lack of abundant features can impede traditional hand-designed feature extraction approaches or CNN-based object detection algorithms, particularly in complex underwater environments.
  • 382
  • 05 Sep 2022
Topic Review
Traditional Seaweed Farming Methods
The imperative to substantially expand the world’s seaweed aquaculture supply is well established in published literature and has the strong backing of virtually all global non-government organizations (NGOs). The expansion of seaweed farming is recognised as one of the best approaches to realising many of the sustainable development goals of the United Nations.
  • 1.6K
  • 27 Oct 2022
Topic Review
The Optimal Configuration of Wave Energy Conversions
Ocean energy is one potential renewable energy alternative to fossil fuels that has a more significant power generation due to its better predictability and availability. In order to harness this source, wave energy converters (WECs) have been devised and used over the past several years to generate as much energy and power as is feasible. While it is possible to install these devices in both nearshore and offshore areas, nearshore sites are more appropriate places since more severe weather occurs offshore. Determining the optimal location might be challenging when dealing with sites along the coast since they often have varying capacities for energy production. Constructing wave farms requires determining the appropriate location for WECs, which may lead us to its correct and optimum design. The WEC size, shape, and layout are factors that must be considered for installing these devices. 
  • 436
  • 08 Nov 2022
Topic Review
The Offshore Wind Farms Investigations Using Machine Learning
The offshore wind energy sector continues to make substantial progress, driven by the urgent need for renewable energy, climate change mitigation strategies, and the ambitious zero-emission objectives set by governments and local communities. Key drivers of this progress include scaling up offshore wind turbine dimensions to boost energy output, improving the efficiency of existing systems, addressing environmental concerns associated with these installations, exploring deeper waters for turbine deployment in areas with optimal wind conditions, and pursuing the innovation of floating offshore turbines. These challenges are at the forefront of efforts to advance the development, installation, operation, and maintenance of offshore wind energy systems.
  • 255
  • 11 Oct 2023
Topic Review
The Mobility and Agility of Subsea AUV
The observation and detection of the subsea environment urgently require large-scale and long-term observation platforms. The design and development of subsea autonomous underwater vehicles (AUVs) involve three key points: the subsea-adapted main body structure, agile motion performance that adapts to complex underwater environments, and underwater acoustic communication and positioning technology. 
  • 366
  • 27 Jun 2023
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