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Echo sounding measures the time it takes a sound wave to hit the sea floor and return, knowing the speed of sound in water allows a depth to be calculated, if you have an existing depth map and a GPS , any differences
between the map and your reading, could indicate a shoal of fish has sent back a false depth reading.
What else can I help you with?
What is a sentence for shoal?
If you mean - make a sentence with the word shoal, then: "The waves crashed on the shoal" Or it can refer to a group of fish as in "a shoal of tuna"
Which use of sound waves depends on the fact that sound waves are reflected?
Sonar technology uses the reflection of sound waves to detect objects underwater. By emitting sound waves and measuring the time it takes for them to bounce back, sonar systems can create images of underwater environments and locate objects like submarines or fish.
What creature will you find a shoal?
shoal is a group of fish so it is a fish
What is a group of fishes called?
Shoal (Pronounced School)
Shoal of Fish or School of Fish?
School of fish is quite commonly used but a shoal of fish is the proper name.
Why would the depth suddenly change if the equipment were detecting a shoal of fish?
The depth would change if the equipment were detecting a shoal of fish because the sonar waves emitted by the equipment would bounce off the fish, leading to a different reading. This could make it appear as if the water was shallower than it actually is due to the presence of the fish in the water column.
Is shoal a collective or abstract noun?
The noun 'shoal' is a singular, common, concrete noun; a word for a large group of fish; a word for an area of shallow water, especially as a hazard to navigation; a word for a thing. The noun 'shoal' also functions as a collective noun for a 'shoal of fish'.
What do you call a huge group of fish?
A group of fish is called a school, shoal, draft, run, haul, or catch.
How do whales discover where krill are?
To find food, whales (and dolphins) use echolocation, which uses sound waves to locate krill or fish. they filter krill out of the water
Which creature will you find in a shoal?
A crocodile.
Is shoal a collective noun?
The word 'shoal' is believed to have come from Middle Dutch schole (a group of fish or other animals).In English, the noun 'shoal' is a standard collective noun for a shoal of fish.
Why fish not get fried when thunder strike?
Because thunder is a sound -- sound waves -- and sound waves can't fry anything.
