with sonar and mulitbeam echosounder data revealing that the Stewart was sitting 3,500 feet (1,036 meters) below the ocean’s ...

Three underwater autonomous vehicles from Ocean Infinity were launched Aug. 1 to conduct a day-long scan of the ocean floor using sonar and multibeam echosounder systems. Analyzing the data ...

The “state-of-the-art unmanned submersibles,” which were “equipped with high-resolution synthetic aperture sonar (HiSAS) and multibeam echosounder systems,” scanned the seafloor over a 24 ...

The quest to compile the definitive map of Earth's ocean floor has edged a little nearer to completion. Modern measurements ...

Parks Canada has acquired multibeam echosounder technology, which can produce a 3D topographic map of the seafloor and ideally any structures — such as a shipwreck — lying there.

The quest to compile the definitive map of Earth's ocean floor has edged a little nearer to completion. Modern measurements of the depth and shape of the seabed now encompass 20.6% of the total ...