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How is an echo sounder used to determine the bathymetry of the ocean floor?
They send down a sound wave (whose velocity they know) and measure how much time it takes for it to return. Velocity=Distance/time Distance=Velocity*time They divide the distance by 2 (since the sonar wave has to return as well.) They make thousands of these measurements to make a map of the ocean floor based on these distances.
What was used aboard HMS Challenger to map the ocean floor?
Dredge they used it to collect samples from the ocean floor
Are submersibles used to map the ocean floor?
no sonars areNo they are not, a sonar maps the ocean floor.
What tools are used to study ocean floor?
echo location is used to study, and map the ocean floor. submarines and camaras can also be used.
How are ocean floor technologies used?
ocean technologies are used from like scientist objects to go into the ocean
A small vessel used to explore the ocean?
a trieste or a submersible is used to explore the ocean floor
What are sonars used for?
Scientist use Sonar to map the ocean floor. Scientist use Sonar to map the ocean floor.
What are three ways sonar is used?
1. Determine location of fish 2. Help navigators on ships avoid icebergs 3. Help map the ocean floor.
What is the term used to describe ocean floor sinking into a deep-ocean trench?
Subduction
How is sea level used to measure depth of the ocean?
A satellite named Jason 2 gives telemetry measurements of the ocean surface. It is now paired with an earlier satellite. Jason 1, and these tracks are interleaved to give comprehensive data. Interpretations are made, along with gravity measurements, to infer ocean bathymetry.
Is distance from the ocean used to determine absolute location?
No.
Is a seismograph used to record the ocean floor for rift zones?
no
