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Beam of sound waves travels to bottom and is reflected back to ship Depth = V(5) %3D Figure 2.25 Echo sounders sense the contour of the seafloor by beam- ing sound waves to the bottom and measuring the time required for the sound waves to bounce back to the ship. If the round-trip travel time and wave velocity are known, distance to the bottom can be calculated. This technique was first used on a large scale by the German research vessel Meteor in the 1920s. © Cengage Leaming

Beam of sound waves travels to bottom and is reflected back to ship Depth = V(5) %3D Figure 2.25 Echo sounders sense the contour of the seafloor by beam- ing sound waves to the bottom and measuring the time required for the sound waves to bounce back to the ship. If the round-trip travel time and wave velocity are known, distance to the bottom can be calculated. This technique was first used on a large scale by the German research vessel Meteor in the 1920s. © Cengage Leaming

Applications and Investigations in Earth Science (9th Edition)
Applications and Investigations in Earth Science (9th Edition)
9th Edition
ISBN:9780134746241
Author:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Publisher:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Chapter1: The Study Of Minerals
Section: Chapter Questions
Problem 1LR
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Can you think of some factors that might affect the accuracy of an echo sounding?

Beam of sound waves travels to bottom and is reflected back to ship Depth = V(5) %3D Figure 2.25 Echo sounders sense the contour of the seafloor by beam- ing sound waves to the bottom and measuring the time required for the sound waves to bounce back to the ship. If the round-trip travel time and wave velocity are known, distance to the bottom can be calculated. This technique was first used on a large scale by the German research vessel Meteor in the 1920s. © Cengage Leaming
Transcribed Image Text:Beam of sound waves travels to bottom and is reflected back to ship Depth = V(5) %3D Figure 2.25 Echo sounders sense the contour of the seafloor by beam- ing sound waves to the bottom and measuring the time required for the sound waves to bounce back to the ship. If the round-trip travel time and wave velocity are known, distance to the bottom can be calculated. This technique was first used on a large scale by the German research vessel Meteor in the 1920s. © Cengage Leaming
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