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26.291  Articles
1 of 2.630 pages  |  10  records  |  more records»
Acoustic waves propagate through a medium meet the Snell’s Law, its energy is reflected and some are scattered back at certain angle. The Side Scan Sonar (SSS) methods use this principle to identify seabed character. The intensity of the backscatter great... see more

Acoustic waves propagate through a medium meet the Snell’s Law, its energy is reflected and some are scattered back at certain angle. The Side Scan Sonar (SSS) methods use this principle to identify seabed character. The intensity of the backscatter great... see more

The present work uses a modern generation of side scan sonar aiming to obtain sonographic images of the coastal region of Barra Grande River, located in the Dois Rios Creek, Ilha Grande, SE Brazil. This technological advanced technique has enabled to obta... see more

The bedrock-framed seafloor in the northwestern Gulf of Maine is characterized by extreme changes in bathymetric relief and covered with a wide variety of surficial materials. Traditional methods of mapping cannot accurately represent the great heterogene... see more

Manatees are threatened along their range.  In México, this species is listed as endangered.  Manatee conservation strategies require density or occupancy estimates, especially in areas where species face survival risks.  On turbid waters, ... see more

AUV is an unmanned submersible platform to accomplish a mission. Side-scan sonar, Conductivity Temperature Depth (CTD), and underwater video camera are usually attached on AUV. These sensors were used for identifying seawater and seabed condition. Data ac... see more

The importance of knowing the method for seabed detection using side-scan sonar images with sonar instrument is a much-needed requirement right now. This kind of threat also requires frequent sonar surveys in such areas. These survey operations need speci... see more

Marine seismic reflection data have been collected for decades and since the mid-to late- 1980s much of this data is positioned relatively accurately. Marine geophysical acquisition of data is a very expensive process with the rates regularly ship through... see more

A series of side-scan sonar surveys, seismic profiles and Remotely Operated Vehicle (ROV) observations along rocky terraces on the distal continental shelf off northern Israel encountered eolianite ridges with steep seaward escarpments and gentle landward... see more

1 of 2.630 pages  |  10  records  |  more records»