Results 171 to 180 of about 41,703 (217)
Marine Geophysical Researches, 2006 We present a large-scale quantitative test of a hyperspectral remote-sensing reflectance algorithm. We show that coastal bathymetry can be adequately derived through model inversions using data from the Airborne Visible-Infrared Imaging Spectrometer instrument.
McIntyre, Michelle L. +4 more
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Optimization Study of Multibeam Bathymetry Based on Genetic Algorithm
2023 IEEE International Conference on Electrical, Automation and Computer Engineering (ICEACE), 2023Shixian Wu, Zibing Shen, Haoqi Xu
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Automated error detection in multibeam bathymetry data
Proceedings of OCEANS '93, 2002For a variety of reasons, multibeam swath sounding systems produce errors that can seriously corrupt navigational charts. To address this problem, the authors have developed two algorithms for identifying subtle outlier errors in a variety of multibeam systems. The first algorithm treats the swath as a sequence of images.
S. Shaw, J. Arnold
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Multibeam Bathymetry of the Håkon Mosby Mud Volcano
Marine Geophysical Researches, 2005The Hakon Mosby Mud Volcano is a natural laboratory to study geological, geochemical, and ecological processes related to deep-water mud volcanism. High resolution bathymetry of the Hakon Mosby Mud Volcano was recorded during RV Polarstern expedition ARK XIX/3 utilizing the multibeam system Hydrosweep DS-2.
Andreas Beyer +2 more
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The Geisha Guyots: Multibeam bathymetry and morphometric interpretation
Journal of Geophysical Research: Solid Earth, 1984Multibeam bathymetric charts (100 fm = 183 m contour interval) are presented and analyzed for the ∼1100‐km‐long, 120° trending Geisha chain of eight guyots and at least 13 other seamounts (>1 km height) in the northwest Pacific; these guyots are compared with 23 others in the North Pacific.
Peter R. Vogt, N. Christian Smoot
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Statistical Characterization of Multibeam Bathymetry Data
2001Abstract : Multibeam sonar systems produce high-density depth data of the ocean floor. Point pattern analysis of the individual depth points is conducted to determine an appropriate parameterized point-to-event distance distribution, F(y). This distribution is needed to quantify the lower bound on the estimated position error of a terrain-based ...
Brian Bourgeois +3 more
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Bathymetry degradation causes for frequency modulated multibeam echo sounders
2012 Oceans, 2012FM-modulated signals with pulse compression are used in the new generation of bathymetric multibeam echo sounders in order to reach higher swath while keeping a high resolution. However, the expected performances are not reached on field data. This article discusses two different effects impacting the bathymetric measurement (Doppler effect and ...
Vincent, Pauline +4 more
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Registration of Airborne LiDAR Bathymetry and Multibeam Echo Sounder Point Clouds
IEEE Geoscience and Remote Sensing Letters, 2022Airborne light detection and ranging (LiDAR) bathymetry (ALB) and multibeam echo sounder (MBES) are both active remote sensing technologies that are complementary in terms of survey scope. The registration of ALB and MBES data can provide complete overwater and underwater geoinformation on a measurement target.
Xiankun Wang +5 more
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Comparison of bathymetry estimated from multibeam echosounder and optical data
Accurate bathymetry estimation is crucial for various marine and coastal applications, including resource management and environmental protection. This study presents a comparison of bathymetry estimated using optical satellite imagery, on sandy bottom ...
Antonino Maltese
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Multibeam Bathymetry and Slope Stability of Isvika Bay, Murchisonfjorden, Nordaustlandet
Marine Geodesy, 2012A research expedition to the polar region of Murchisonfjorden (Nordaustlandet, Svalbard) on the research vessel Horyzont II took place in August 2009. This paper presents results from an extensive bathymetric measurement campaign of the Isvika Bay, southern part of Murchisonfjorden.
Moskalik, Mateusz +2 more
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