Describe the sea state and what factors it depends on.
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Sea State: the assessment of the ocean's conditions or the roughness of the
ocean surface.
Depends on:
1. wind strength/speed
2. fetch (the uninterrupted distance)
3. wind duration.
Identify tsunami warning signs, and know how to respond
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, Warning Signs:
-noticeable rise or fall of coastal waters.
-load roaring sounds.
Safety:
-keep calm and move to higher ground away from the coast.
-cooperate with emergency management.
-seek shelter in upper floors of high, multi-story, reinforced concrete
buildings/hotels.
-if on boat and there is time move your vessel to deeper water (at least
2,000 meters).
-if on boat and no time, leave the boat.
Describe the typical wavelength, restoring force and generating force. -Tsunami
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Wavelength = 200km
Restoring = gravity
Generating = faults, volcanoes, landslides
Describe the typical wavelength, restoring force and generating force. -Tides
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Wavelength = 20,000km
Restoring = gravity
Generating = rotation of Earth.
Describe the typical wavelength, restoring force and generating force. -Seiche
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Wavelength = large, vary
Restoring = gravity
Generating = storm surges, tsunami, change in pressure
Describe shoaling waves and how waves change as they shoal.
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Shoaling Waves: the process of a wave moving for the deep ocean toward
the coastline into shallow water.
-the depth at which waves become shallow-water waves depend on its
wavelength.
-long waves become shallow waves farther off-shore (deep water) than
shorter waves.
Changes:
-waves slow down.
-wavelengths shorten.
-orbitals flatten.
-energy is conserved.
-wave period remains the same.
-wave height increases.
-wave steepen.
Describe safety procedures during a hurricane and relate that to storm surges.
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Give this one a try later!
Sea State: the assessment of the ocean's conditions or the roughness of the
ocean surface.
Depends on:
1. wind strength/speed
2. fetch (the uninterrupted distance)
3. wind duration.
Identify tsunami warning signs, and know how to respond
Give this one a try later!
, Warning Signs:
-noticeable rise or fall of coastal waters.
-load roaring sounds.
Safety:
-keep calm and move to higher ground away from the coast.
-cooperate with emergency management.
-seek shelter in upper floors of high, multi-story, reinforced concrete
buildings/hotels.
-if on boat and there is time move your vessel to deeper water (at least
2,000 meters).
-if on boat and no time, leave the boat.
Describe the typical wavelength, restoring force and generating force. -Tsunami
Give this one a try later!
Wavelength = 200km
Restoring = gravity
Generating = faults, volcanoes, landslides
Describe the typical wavelength, restoring force and generating force. -Tides
Give this one a try later!
Wavelength = 20,000km
Restoring = gravity
Generating = rotation of Earth.
Describe the typical wavelength, restoring force and generating force. -Seiche
, Give this one a try later!
Wavelength = large, vary
Restoring = gravity
Generating = storm surges, tsunami, change in pressure
Describe shoaling waves and how waves change as they shoal.
Give this one a try later!
Shoaling Waves: the process of a wave moving for the deep ocean toward
the coastline into shallow water.
-the depth at which waves become shallow-water waves depend on its
wavelength.
-long waves become shallow waves farther off-shore (deep water) than
shorter waves.
Changes:
-waves slow down.
-wavelengths shorten.
-orbitals flatten.
-energy is conserved.
-wave period remains the same.
-wave height increases.
-wave steepen.
Describe safety procedures during a hurricane and relate that to storm surges.
Give this one a try later!
