M3 Sonar HF
M3 Sonar HF
2 weeks ago
kongsberg.com
Are Ship Sonars Actually Dangerous? Sonar is a device that uses underwater sound waves to find other objects in the sea. An active sonar works by sending out sound and listening for echoes.These underwater machines emit sounds up to a deafening 235 decibels, which is powerful enough to temporarily boil water nearby. But what's truly alarming is how far these intense sound waves can travel – hundreds of miles underwater, affecting marine life dramatically. Whales, in their attempts to escape this
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Sonar, short for Sound Navigation and Ranging, is helpful for exploring and mapping the ocean because sound waves travel farther in the water than do radar and light waves. NOAA scientists primarily use sonar to develop nautical charts, locate underwater hazards to navigation, search for and map objects on the seafloor such as shipwrecks, and map the seafloor itself. https://oceanservice.noaa.gov/facts/sonar.html #GeographyAwareness | National Ocean Service
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