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Near the shore tsunamis are higher or lower than average waves?
They are usually higher than average waves near shore..
What are some natural signs of an approaching tsunami?
If the tsunami is caused by an earthquake, a slight rumble can be heard, and the ground might shake. As the waves approach shore, the water near the shore will recede dramatically, leaving fish, seaweed coral and such like. (following a 'sucking* sound'). A clear rumble should be heard. The fast moving waves will start to get higher as the seafloor gets shallower near the coastline. This forms a 20m wall of waves (a tsunami) and the waves will crash onto shore and rush inland. Sometimes, warnings are given to the country and surrounding countries. *Note that 'sucking' means being sucked in, and is not a vulgarity.
Name and describe two kinds of currents that wave action can cause near shore?
Two kinds of currents that wave action can cause near shore are "Longshore Current", which is the overall direction and movement of the waves that strike the shore at an angle. The other kind of current is "Rip Currents", which are narrow streams of water that break through sandbars and drain rapidly back to sea.
How are tsunamis different from just big ocean waves?
An ordinary large wave has a short wavelength. When it reaches shore it will break wash in, and wash out in a matter of seconds. A tsunami wave behaves in a much different way. Such waves can be hundreds of miles in wavelength. When they reach shore, they do not behave as breaking waves, but rather come in as a massive surge of water, that continues to come in for several minutes.
What happens to ships when an earthquake occurs in the ocean?
Large earthquakes could potentially cause large waves (relatively near shore), which could capsize boats. If the boat is in the middle of the ocean, it most likely would not be affected.
What happen when waves come near the shore?
they break
When wave come near the shore they speed up?
Yes
Near the shore tsunamis are higher or lower than average waves?
They are usually higher than average waves near shore..
Near shore crest shaped waves are called what?
breakers
Do box jellyfish come near shore?
Sometimes they do
Why should you avoid operating your motorboat or pwc above no wake speed near shore?
You should avoid operating your motorboat or pwc above no wake speed near the shore because engine efficiency is reduced.
Were do near shore zones get their nutrients and in what form are these nutrients?
They come from england
Why should you avoid operating your motorboat above no wake speed near shore?
It causes erosion
Why do waves change direction when they are near shore?
The reason they change direction near shore is because the density of objects increase!
Are the heavy waves that are caused by hurricanes called rip tides?
Hurricanes do produce rip tides, but rip tides are not waves. They are strong currents near the shore that take water and anyone caught in them out to sea.
Does bacteria live near the shore?
yes bacteria does live near the shore
How do waves chenge near the shore describe 2 main changes?
Become faster the distance between two wave peaks become smaller
