Results 1 to 10 of about 64,703 (265)

Developing bottom drifters to better understand the stranding locations of cold-stunned sea turtles in Cape Cod Bay, Massachusetts [PDF]

open access: yesPeerJ, 2023
Every fall, juvenile sea turtles in the Northwest Atlantic Ocean are threatened by rapidly declining water temperatures. When sea turtles become hypothermic, or cold-stunned, they lose mobility—either at the surface, subsurface, or the bottom of the ...
Felicia M. Page   +4 more
doaj   +2 more sources

Dynamic Analysis and Safety Assessment of Ships and Cables during Salvage Operations

open access: yesApplied Sciences, 2023
The International Maritime Organization (IMO) emphasizes that shipwreck accidents frequently occur at sea and advocates for the safe recovery of shipwrecks.
Han Zou   +3 more
doaj   +1 more source

Semi-Active Heave Compensation for a 600-Meter Hydraulic Salvaging Claw System with Ship Motion Prediction via LSTM Neural Networks

open access: yesJournal of Marine Science and Engineering, 2023
Efficiently salvaging shipwrecks is of the utmost importance for safeguarding shipping safety and preserving the marine ecosystem. However, traditional methods find it difficult to salvage shipwrecks in deep water.
Fengrui Zhang   +6 more
doaj   +1 more source

Les jeunes années de l’archéologie préventive en mer

open access: yesArchéopages, 2022
Thanks to the methodological gains of the last years and the clarification of the legislative and tax framework, a non-negligible part of underwater heritage likely to be destroyed by planning or exploitation of the sea was made visible.
Arnaud Schaumasse, Souen Fontaine
doaj   +1 more source

Analisis hukum terhadap peran Syahbandar dalam pengawasan evakuasi kapal kandas di perairan laut

open access: yesJurnal Cakrawala Hukum, 2022
This writing aims to oversee the role of the harbormaster institution in supervising the evacuation of ships, obstacles, and the efforts of the harbormaster in evacuating an aground ship.
Irvan Hidayatulloh, Zuhdi Arman
doaj   +1 more source

Threats to Underwater Cultural Heritage from Existing and Future Human Activities

open access: yesBlue Papers, 2023
Our ocean heritage (natural and cultural) is at risk from destructive human activities, including bottom trawling, deep seabed mining (DSM), and potentially polluting wrecks (PPWs). The stories of our societies and our ancestors are often connected with
Charlotte Jarvis   +2 more
doaj   +1 more source

An Interview-Based Approach to Assess Angler Practices and Sea Turtle Captures on Mississippi Fishing Piers

open access: yesFrontiers in Marine Science, 2020
During 2010–2015, the Mississippi Sea Turtle Stranding and Salvage Network (STSSN) documented 1,073 sea turtles, primarily juvenile Kemp’s ridleys (Lepidochelys kempii), incidentally caught by recreational anglers.
Melissa Cook   +3 more
doaj   +1 more source

Lagrange tracking-based long-term drift trajectory prediction method for Autonomous Underwater Vehicle

open access: yesMathematical Biosciences and Engineering, 2023
Autonomous Underwater Vehicle (AUV) works autonomously in complex marine environments. After a severe accident, an AUV will lose its power and rely on its small buoyancy to ascend at a slow speed.
Shuwen Zheng   +3 more
doaj   +1 more source

Adaptive Threshold Model in Google Earth Engine: A Case Study of Ulva prolifera Extraction in the South Yellow Sea, China

open access: yesRemote Sensing, 2021
An outbreak of Ulva prolifera poses a massive threat to coastal ecology in the Southern Yellow Sea, China (SYS). It is a necessity to extract its area and monitor its development accurately. At present, Ulva prolifera monitoring by remote sensing imagery
Guangzong Zhang   +6 more
doaj   +1 more source

A mini ROV-based method for recovering marine instruments at depth.

open access: yesPLoS ONE, 2020
Instruments are often deployed at depth for weeks to years for a variety of marine applications. In many cases, divers can be deployed to retrieve instruments, but divers are constrained by depth limitations and safety concerns.
Joseph H Tarnecki, William F Patterson
doaj   +1 more source

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