They use an Echo Sounder. Many pulses of sound per second are sent to the ocean floor & the time it takes to rebound is measured and therefore the depth is calculated.
That technique is called sonar.
they probably would use a sonar which is a device that bounces sound waves off under water objects and then records the echoes of these sound waves. =]
A sound wave
sonar is used, to steer a vessel because sound waves are emitted around the vessel. Then the sound waves are traveled back to the vessel. If the sound waves are block by an object, it will tell the vessel.
Sound waves. Also ocean waves. Also earthquake waves. Also explosion waves.
They use an Echo Sounder. Many pulses of sound per second are sent to the ocean floor & the time it takes to rebound is measured and therefore the depth is calculated.
Scientists use sound waves to measure the depth of the ocean through a method called sonar. By sending sound pulses from a ship to the ocean floor and measuring the time it takes for the sound waves to bounce back, scientists can calculate the depth of the ocean at that location.
Scientists use echo sounders or sonar technology to measure ocean depth. These tools work by sending sound waves down into the water and measuring how long it takes for the sound to bounce back, allowing scientists to calculate the depth of the ocean floor.
Scientists know the depth of the ocean by using technology like the Deep Worker or the "Alvin". It takes them to the bottom of the ocean so they can study ocean life. Also ships use sonar (SOund NAvigation and Ranging) to see what the depth of the ocean is.
Scientists use sonar to map the ocean floor by sending sound waves from a ship to the ocean floor. These sound waves bounce back and are picked up by a receiver on the ship, providing information about the depth and texture of the ocean floor. By analyzing the time it takes for the sound waves to return, scientists can create detailed maps of the underwater terrain.
A device called a echo sounder or sonar is used to measure the depth of the ocean using sound waves. Sound waves are emitted from the instrument and the time taken for the sound waves to bounce back from the ocean floor is used to calculate the depth.
The equipment is called a "fathometer" or "echo sounder." It works by emitting sound waves from a transducer on a ship, which bounce off the seafloor and return to the transducer. By measuring the time it takes for the sound waves to return, the depth of the ocean can be accurately determined.
Scientists measure ocean depths using sonar technology, which involves sending sound waves into the water and measuring how long it takes for them to bounce back. Another method is using satellite altimetry, which measures the sea surface height and then estimates the depth based on the gravitational pull of underwater features. Submersibles equipped with depth sensors can also be used to directly measure the depth of the seafloor.
scientist use sound
SONAR
About 1000 meters
Sonar.