Results 251 to 260 of about 3,880 (287)

The Nile deep sea fan: preliminary results from a swath bathymetry survey

Marine and Petroleum Geology, 2001
We present and discuss a set of data, mainly swath bathymetry, backscatter images and a few seismic data, that have been recently recorded over large areas of the Nile deep-sea fan between water depths of 1200 and 3000 m. These data demonstrate the presence of at least three distinct morphostructural provinces where interacting sedimentary, tectonic ...
Jean Mascle, Tiphaine Zitter, Gilbert Bellaiche   +2 more
exaly   +4 more sources

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Simulation of the Wide Swath Sea Surface Height Calibration Using GNSS Buoy Array

IGARSS 2020 - 2020 IEEE International Geoscience and Remote Sensing Symposium, 2020
The calibration and validation task is very challenging for new-generation wide swath altimeters. There are two error terms sensitive to the across-track distance to the satellite nadir: the roll error which is proportional to the across-track distance, and the baseline length bias which is proportional to the square of the across-track distance.
Xi-Yu Xu
exaly   +2 more sources

Swath bathymetric investigation of the seamounts located in the Laxmi Basin, Eastern Arabian Sea

Marine Geodesy, 1994
Multibeam (Hydrosweep) swath bathymetric investigations revealed the presence of a NNW trending linear seamount chain along the axial part of the Laxmi Basin in the eastern Arabian Sea, between 15°N, 70°15'E and 17°20'N, 69°E. This chain consists of three major edifices: RAMAN1 and PANIKKAR2 seamounts and WADIA2 guyot.
G C Bhattacharya, A K Chaubey, R R Nair
exaly   +2 more sources

Directional Wave Spectra from a Swath Ship at Sea

Journal of Atmospheric and Oceanic Technology, 1994
Abstract During the Surface Wave Dynamics Experiment (SWADE), the swath ship Frederick G. Creed was equipped with an array of wave staffs for the estimation of wave directional spectra. This paper reports on the first such estimates taken from a ship at sea.
William M Drennan, C N Flagg
exaly   +2 more sources

Wide Swath Sea Surface Topography Mapping via Ka-band SAR Interferometry

2019 6th Asia-Pacific Conference on Synthetic Aperture Radar (APSAR), 2019
Ka-band Interfeometry SAR (InSAR) is a promising technique for global submesoscale sea surface tomography mapping, which still remains blank today. In this paper, we will introduce the arrangement, key techniques and preliminary results of our airborne Ka-band InSAR experiment.
Minkun Liu, Zegang Ding
exaly   +2 more sources

Site selection for the validation of wide-swath interferometric altimeter in the South China Sea

International Journal of Remote Sensing, 2022
Qianran Zhang, Fangjie Yu, Ge Chen
exaly   +2 more sources

Model functions for retrieving sea surface wind speed with wide-swath imaging altimeter

Journal of Applied Remote Sensing, 2021
Using satellite remote sensing technology to observe sea surface wind fields has become an important instrument. The successful launch of Tiangong-2, the future Surface Water and Ocean Topography (SWOT) mission, and demonstrating GaoFen Project provides the future understanding for the generation of new wide-swath imaging altimeter.
Dan Wang, Xiaojuan Kong, Zhe Zhang
openaire   +1 more source

Centimetric sea surface height accuracy using the Wide-Swath Ocean altimeter

IGARSS 2003. 2003 IEEE International Geoscience and Remote Sensing Symposium. Proceedings (IEEE Cat. No.03CH37477), 2004
In this paper, we present error sources and predicted performance of the Wide-Swath Ocean altimeter, an instrument which has been proposed as an experiment for the NASA/CNES Ocean Surface Topography Mission. The data obtained by this instrument will allow the detailed study of ocean mesoscale phenomena, with a space-time resolution which cannot be ...
Rodriguez, Ernesto, Pollard, Brian
openaire   +1 more source

Sea Trials of the SWATH Ship USNS Victorious (T-AGOS 19)

Marine Technology and SNAME News, 1994
In 1986 the design of the Navy's first large SWATH (small waterplane area twin hull) ship was completed. Designated the T-AGOS 19 Class, these vessels were designed to operate comfortably in high latitudes during winter months. The T-AGOS 19 and T-AGOS 23 Classes represent one of the greatest departures in naval surface ship design in the past century.
Jim Sandison, Dennis Woolaver, Martin Dipper, Mark Rice   +3 more
openaire   +1 more source

Ultra Wide Swath Deep Sea Interferometric Multibeam Echo Sounder With Sea Bottom Imaging System

Conference Proceedings on Engineering in the Ocean Environment, 2005
The SIMRAD EM12 is a new full ocean depth multibeam echo sounder, operating at 13 kHz. By use of interf erometric signal processing techniques it will acheive an ultra wide swath geometry of 150 degrees, corresponding to 7 . 5 times the depth of water.
E. Hammerstad, F. Pohner
openaire   +1 more source