US Army Corps of Engineers
Savannah District Website

sound velocity profiler
USACE Savannah District Civil Engineer Technician, Michael Ansley, explains the use of a sound velocity profiler. The device helps calibrate the fathometers before a survey by measuring the variables affecting sound velocity in water; salinity, temperature and pressure variables.

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Photo by: Jonathan Bell |  VIRIN: 200505-A-ZV819-0178.JPG