Results 51 to 60 of about 19,886 (166)

Efficient AUV Navigation Fusing Acoustic Ranging and Side-scan Sonar [PDF]

, 2011
This paper presents an on-line nonlinear least squares algorithm for multi-sensor autonomous underwater vehicle (AUV) navigation. The approach integrates the global constraints of range to and GPS position of a surface vehicle or buoy communicated ...
Fallon, Maurice Francis, Johannsson, Hordur, Kaess, Michael, Leonard, John Joseph   +3 more
core   +2 more sources

Variations in downslope activity and bottom current dynamics in a land‐detached submarine channel system since the Last Glacial Maximum

Sedimentology, EarlyView.
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, Aggeliki Georgiopoulou, Kobus Langedock, Fred Fourie, Martin White, Sara Benetti, Fabio Sacchetti, Wieter Boone, David Van Rooij   +8 more
wiley   +1 more source

Visualizing And Processing Side-Scan Sonar Images: a Case of the Lower Reaches of the Enisei River

Российская Арктика, 2020
In this paper, the authors discuss some issues of collecting and processing side-scan sonar (SSS) images collected during a survey of the lower reaches of the Enisei River.
Babiy I. A., Galimzyanov O. A., Goncharov A. E.   +2 more
doaj   +1 more source

Habitat mapping effort at the Olympic Coast National Marine Sanctuary – Current status and future needs [PDF]

, 2006
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  

Prioritized Real‐Time UAV‐Based Vessel Detection for Efficient Maritime Search

Journal of Field Robotics, Volume 43, Issue 2, Page 561-577, March 2026.
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, Zikai Jia, Siyuan Yang, Muhayy Ud Din, Lakmal Seneviratne, Shaoming He, Irfan Hussain   +6 more
wiley   +1 more source

Caratterizzazione fisiografica, geomorfologica e bionomica della Rias di Santa Teresa di Gallura: Sardegna nord-orientale = Physiographic, geomorphological and bionomic characterization of the Santa Teresa di Gallura Rias (N.E. Sardinia) [PDF]

, 2011
An underwater survey in the Rias of S. Teresa di Gallura was made to characterize the benthic environment by integrating three methods: Side Scan Sonar, ROV, SCUBA diving. The main bionomic features at different depths were described and mapped.
Andreucci, Stefano, Chessa, Lorenzo Antonio, Cossu, Andrea Vito Luigi, Deluca, Michael, Mura, F., Pala, David, Pascucci, Vincenzo   +6 more
core  

A Conceptual Framework and Methods for Studying the Connectivity of Fishes

Fish and Fisheries, Volume 27, Issue 2, Page 342-369, March 2026.
ABSTRACT Connectivity is a multifaceted concept that has important implications for the management and conservation of marine and freshwater fishes. We developed a conceptual framework that encompasses multiple, interrelated categories of connectedness, including landscape (e.g., structural, functional) connectivity and ecological (e.g., trophic ...
Jordanna N. Bergman, Jessica A. Robichaud, Jasper McCutcheon, Michael T. Booth, Brendan Campbell, Grace A. Casselberry, Cienna R. Cooper, Bronwyn M. Gillanders, Lucas P. Griffin, Edward Hale, Luc LaRochelle, Karen J. Murchie, Mary Peacock, Reid G. Swanson, Simon D. Stewart, Ryan. J. Woodland, Daniel P. Zielinski, Steven J. Cooke, Morgan L. Piczak   +18 more
wiley   +1 more source

A Mapping Method Fusing Forward-Looking Sonar and Side-Scan Sonar

Journal of Marine Science and Engineering
In modern ocean exploration, forward-looking sonar (FLS) provides real-time 2D imaging of the seabed ahead, but its detection range is relatively limited.
Hong Liu, Xiufen Ye, Hanwen Zhou, Hanjie Huang   +3 more
doaj   +1 more source

PING‐Mapper: Open‐Source Software for Automated Benthic Imaging and Mapping Using Recreation‐Grade Sonar

Earth and Space Science, 2022
The characterization of benthic habitats is essential for aquatic ecosystem science and management, but is frequently limited by waterbody visibility and depth. Recreation‐grade side‐scan sonar systems are increasingly used to aid scientific inquiries in
C. S. Bodine, D. Buscombe, R. J. Best, J. A. Redner, A. J. Kaeser   +4 more
doaj   +1 more source

Sub‐annual spatiotemporal dynamics of sediment and organic matter storage in beaver ponds

Earth Surface Processes and Landforms, Volume 51, Issue 2, February 2026.
Ponds higher up the beaver cascades showed increasing erosion of sediments following heavier rainfall events, whereas those further down showed increasing sediment accretion. Following periods with less intense rainfall all ponds showed net sediment accretion.
Gareth Bradbury, Alan Puttock, Gemma Coxon, Stewart Clarke, Richard E. Brazier   +4 more
wiley   +1 more source