Results 101 to 110 of about 32,153 (173)

Multibeam Wideband Transmit Beamforming Using 2D Sparse FIR Trapezoidal Filters

Journal of Low Power Electronics and Applications
A low-complexity multibeam wideband transmit beamformer using a 2D sparse FIR filter design capable of multiple beams is proposed as a digital building block for fully digital beamformers.
Nadeeshan Dissanayake, Chamira U. S. Edussooriya, Chamith Wijenayake, Arjuna Madanayake   +3 more
doaj   +1 more source

A Mass Conservation Model to Study the Evolution of Coastal Soft Cliffs Driven by Sea Level Rise Over Multi‐Century Timescales

Journal of Geophysical Research: Earth Surface, Volume 131, Issue 3, March 2026.
Abstract Soft cliffed coasts are particularly vulnerable to erosion and their retreat depends on environmental, geological and geomechanical factors. In this work, we use a mathematical modeling approach to understand effects of future global sea level rise on these coasts over multiple centuries.
M. Appleton, R. Briganti, N. Dodd, A. Payo   +3 more
wiley   +1 more source

A Suite of Field Manuals for Marine Sampling to Monitor Australian Waters

Frontiers in Marine Science, 2019
One of the main challenges in assessing marine biodiversity is the lack of consistent approaches to monitor it. This threatens to undermine ocean best practice in marine monitoring, as it impedes a reduction in the bias and variance of sampled data and ...
Rachel Przeslawski, Scott Foster, Jacquomo Monk, Neville Barrett, Phil Bouchet, Phil Bouchet, Andrew Carroll, Tim Langlois, Vanessa Lucieer, Joel Williams, Nicholas Bax, Nicholas Bax   +11 more
doaj   +1 more source

Geometric and Radiometric Correction of Multibeam Backscatter Derived from Reson 8101 Systems [PDF]

, 2002
A common by-product of multibeam surveys is a measure of the backscattered acoustic intensity from the seafloor. These data are of immense interest to geologists and geoscientists since maps of the acoustic backscatter strength can be used to infer ...
Beaudoin, Jonathan, Clarke, J.E. Hughes, Gardner, James V., Van den Ameele, Edward J   +3 more
core   +1 more source

Direct Observations of Strong Jets Transporting Deep and Bottom Water Into the Indian Ocean Through the Fracture Zones of the Southwest Indian Ridge

Journal of Geophysical Research: Oceans, Volume 131, Issue 3, March 2026.
Abstract The Indian Ocean plays a crucial role in the abyssal overturning circulation, transforming Antarctic Bottom Water (AABW) into lighter water. In the western Indian Ocean, the only path for AABW to reach the subtropics as part of the global overturning is through the fracture zones of the Southwest Indian Ridge.
Viviane V. Menezes, Heather Furey, Daniel J. Torres, Frank Bahr, Lois Baker   +4 more
wiley   +1 more source

Subsidence of Artificial Reefs with Bamboo Foundations on a Soft Seabed

Applied Sciences
The design of artificial reefs must be based on the criteria of both durability and serviceability. In this respect, the seabed subsidence rate related to the weight of the reefs and of their foundation system should be limited.
Enrico Dini, Mario Nuzzolese, Francesco Cafaro, Annamaria di Lernia, Alessandra Gadaleta, Francesca Sollecito   +5 more
doaj   +1 more source

Morphological Variability of Submarine Mass Movements in the Tectonically–Controlled Calabro–Tyrrhenian Continental Margin (Southern Italy)

Geosciences, 2019
The analysis of high resolution morpho–bathymetric data on the Calabro Tyrrhenian continental margin (Southern Italy) enabled us to identify several morphological features originated by mass–wasting processes, including shallow gullies, shelf&
Daniele Casalbore, Alessandro Bosman, David Casas, Francesco Chiocci, Eleonora Martorelli, Domenico Ridente   +5 more
doaj   +1 more source

Establishing a Multibeam Sonar Evaluation Test Bed near Sidney, British Columbia [PDF]

, 2012
The Canadian Hydrographic Service (CHS), Naval Oceanographic Office (NAVOCEANO) and the Ocean Mapping Group of the University of New Brunswick (OMG) collaborated on establishing a multibeam sonar test bed in the vicinity of the Institute of Ocean ...
Beaudoin, Jonathan, Clarke, J.E. Hughes, Hare, Rob, Whittaker, Clay   +3 more
core   +2 more sources

Impacts of Temperature‐ and Stress‐Dependent Rheology on Ice‐Shelf‐Front Bending

Journal of Geophysical Research: Earth Surface, Volume 131, Issue 3, March 2026.
Abstract Classical treatments of ice‐shelf bending suggest that shelf fronts should bend downwards, due to the distribution of hydrostatic water pressure at the front. However, LiDAR data show several instances of upward‐bending ice‐shelf fronts. While this phenomenon has often been attributed to a buoyant force from a submerged ice bench, recent work ...
Emily C. Glazer, W. Roger Buck
wiley   +1 more source

Seafloor Characterization from Spatial Variation of Multibeam Backscatter vs. Grazing Angle [PDF]

, 2001
Backscatter vs. grazing angle, which can be extracted from multibeam backscatter data, depend on characteristics of the multibeam system and the angular responses of backscatter that are characteristic of different seafloor properties, such as sediment ...
Hou, Tianhang, Huff, Lloyd C., Mayer, Larry A., Rzhanov, Yuri   +3 more
core   +1 more source