Results 111 to 120 of about 6,273,313 (270)
ABSTRACT Mesophotic reefs are located in low light conditions which, depending on the region, are usually found in water depths greater than ~30 m. They are less affected by ocean warming than reefs found in shallower water depths and thus might become increasingly important for the sustainability of marine biodiversity.
Or M. Bialik +7 more
wiley +1 more source
Fast, Accurate Thin-Structure Obstacle Detection for Autonomous Mobile Robots
Safety is paramount for mobile robotic platforms such as self-driving cars and unmanned aerial vehicles. This work is devoted to a task that is indispensable for safety yet was largely overlooked in the past -- detecting obstacles that are of very thin ...
Hua, Gang +3 more
core +1 more source
ABSTRACT The Gollum Channel System is a land‐detached large‐scale canyon‐channel system situated offshore southwest Ireland on the Northeast Atlantic margin. The system has been considered inactive with downslope gravity flows since the last glacial period, but geophysical data in some of its branches do suggest Holocene activity.
Lotte Verweirder +8 more
wiley +1 more source
Mapping and Characterizing Subtidal Oyster Reefs Using Acoustic Techniques, Underwater Videography and Quadrat Counts [PDF]
Populations of the eastern oyster Crassostrea virginica have been in long-term decline in most areas. A major hindrance to effective oyster management has been lack of a methodology for accurately and economically obtaining data on their distribution and
Adams, J R +4 more
core +1 more source
ABSTRACT Chronic anthropogenic activity is an ongoing threat to the marine environment and presents unique challenges in shallow, coastal habitats where harbor porpoises reside. Harbor porpoises have high metabolic needs and are highly susceptible to negative environmental factors; however, no long‐term studies have been conducted on wild populations ...
Rachel L. Lennon +5 more
wiley +1 more source
Dual-Path Residual "Shrinkage" Network for Side-Scan Sonar Image Classification. [PDF]
Ruan F +5 more
europepmc +1 more source
Prioritized Real‐Time UAV‐Based Vessel Detection for Efficient Maritime Search
ABSTRACT Real‐time vessel detection in maritime environments is crucial for diverse applications requiring speed and accuracy. Static camera views often introduce blind spots, compromising detection efficiency. This paper proposes a novel, real‐time UAV‐based system that uses a dynamic camera control strategy to address this limitation.
Lyes Saad Saoud +6 more
wiley +1 more source
Habitat mapping effort at the Olympic Coast National Marine Sanctuary – Current status and future needs [PDF]
With elevating interest to establish conservation efforts for groundfish stocks and continued scrutiny over the value of marine protected areas along the west coast, the importance of enhancing our knowledge of seabed characteristics through mapping ...
Intelmann, Steven S.
core
Abstract The increased reliance on remote warfare by US‐led military coalitions presents us with questions of “what war is” and “how to know about war” in the 21st century. In this article we substantiate calls for an embodied epistemology of war by introducing a transdisciplinary research agenda to investigate the temporal and spatial civilian harm ...
Lauren Gould +3 more
wiley +1 more source
A Robust and Fast Method for Sidescan Sonar Image Segmentation Based on Region Growing. [PDF]
Wang X, Wang L, Li G, Xie X.
europepmc +1 more source

