Underway Sound Velocity Profiler27/08/2010 |
| Building on the success of the UnderwayCTD system, Oceanscience has partnered with Valeport (UK) to develop an Underway sound velocity (SV) profiling system. The UnderwaySV system includes the new Valeport RapidSV ‘freefall' sound velocity profiler, allowing hydrographic surveyors the opportunity of fast, high quality SV profiles without ever having to stop a ship and suspend survey operations. The system offers a predictable tow path allowing it to be used when other equipment is being towed. |
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| Product News |
| Product News > Underway Sound Velocity Profiler |
This approach to sound-speed profiling is aimed at the hydrographic survey market, where stopping a ship for a sound-speed profile means significant loss of active survey time. The UnderwaySV, first displayed at the Oceanology 2010
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Hydrographic Survey of Riverbed Erosion |
Members of the US Geological Survey were filmed while out on the Missouri River at Williston, North Dakota, USA, performing a hydrographic survey to monitor the state of riverbed erosion. They were using a multibeam echo sounder which transmits sound energy and analyses the return signal (echo) that has bounced off the riverbed or other objects. Multibeam sonars emit sound waves from directly beneath a ship's hull to produce fan-shaped coverage of the riverbed.
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