How far can sound travel in sofar ocean?

Presley Marvin asked a question: How far can sound travel in sofar ocean?
Asked By: Presley Marvin
Date created: Tue, Jul 20, 2021 9:58 PM

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Those who are looking for an answer to the question «How far can sound travel in sofar ocean?» often ask the following questions:

❔ How far can sound travel in the sofar channel?

This channel is called the SOund Fixing And Ranging , or SOFAR, channel. Sound channel axis. On the left, sound speed profile from mid-latitudes. On the right is shown only the paths sound travels from a source at 1000m depth to a receiver at 1000m depth that is 210km away from the source.

❔ Why is the sofar layer efficient for sound travel?

Why is the sofar layer efficient for sound travel? a. Refraction causes the sound energy to remain within the layer. b. The density of the sofar layer traps the sound energy. c. Sound energy bends away from layers of lower sound velocity. d. Temperatures and salinity conditions are homogeneous.

❔ Does sound travel slowly and refract inward in the sofar layer?

Yes!

9 other answers

Sound Travel in the SOFAR Channel. In the deep ocean at mid- latitudes, the slowest sound speed occurs at a depth of about 800 to 1000 meters. This is called the sound speed minimum. The sound speed minimum creates a sound channel in which sound waves can travel long distances. Sound is focused in the sound channel because the sound waves are ...

The channeling of sound waves allows sound to travel thousands of miles without the signal losing considerable energy. In fact, hydrophones, or underwater microphones, if placed at the proper depth, can pick up whale songs and manmade noises from many kilometers away.

The SOFAR Channel. A sound channel exists in the ocean that allows low- frequency sound to travel great distances. This channel is called the SOund Fixing And Ranging , or SOFAR, channel. Sound channel axis. On the left, sound speed profile from mid-latitudes. On the right is shown only the paths sound travels from a source at 1000m depth to a ...

The SOFAR channel axis is at ca. 750-m depth The SOFAR channel (short for Sound Fixing and Ranging channel), or deep sound channel (DSC), is a horizontal layer of water in the ocean at which depth the speed of sound is at its minimum.

Because of SOFAR, sound emitted at a certain depth bounces between these various layers and can travel for hundreds of miles. This up-and-down bending of low-frequency soundwaves allows soundwaves to travel great distances without the signal losing significant energy.

The sound speed minimum at roughly 1000 meter depth in mid-latitudes creates a sound channel that lets sound travel long distances in the ocean. The SOFAR Channel Section provides more information on how the sound speed minimum focuses sound waves into the channel.

Traveling at minimum velocity, the sound waves lose little energy, allowing the waves to propagate over distances in excess of 25,000 kilometers (15,500 miles). Prior to the widespread use of GPS (global positioning system) equipment, the SOFAR channel also was used for navigation and the location of marine craft.

From this information, the ocean depth can be calculated if one knows that sound travels at 1531 in seawater.If a ship sends out sonar pulses and records their echo 3.35 later, how deep is the ocean floor at that point

Sound attenuation in sea water is extremely dependent on frequency. It is roughly a power law. Very low frequencies can easily travel extreme distances (0.001dB/km for 0.1Hz or so), but higher frequencies are attenuated more drastically. Whale song and man made noises have much higher frequencies.

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