Discussion: Restoring Forces.
Discussion: Restoring Forces.
Discussion: Restoring Forces.
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Discussion: Restoring Forces.
- Which of the following is true of swell?
- found in the area of the wind that generated it found far away from wind that generated it caused by wind
- caused by earthquakes presents as multiple wave trains
- single wave train
- Which of these are restoring forces.
- gravitational forces between Earth and Moon
- Earth’s gravity earthquakes
- landslides
- surface tension
- wind
- Which of the following are possible generating force(s) for waves.
- gravitational forces between Earth and Moon |
- Earth’s gravity
- earthquakes
- landslides
- surface tension
- wind
- Which of these forces restores a capillary wave.
- gravitational forces between Earth and Moon
- Earth’s gravity earthquakes
- landslides
- surface tension
- wind
- Which of these forces generates a capillary wave.
- gravitational forces between Earth and Moon
- Earth’s gravity earthquakes
- landslides
- surface tension
- wind
- Which of the following is true of an internal wave?
- Found at surface
- Found along pycnoclines
- Found along seafloor
- Using Figure 1, label crest, trough, equilibrium surface, height, and wavelength.
Figure 1. Parts of a wave. - What are the number of wavelengths shown in the image above?
- Which of the following would be considered a standing wave?
- Tsunami
- Swell
- Chop
- Seiche
- Tides
- Which of the following would be considered a progressive wave?
- Tsunami
- Swell
- Chop
- Seiche
- Tides
- Give equation for wave base and describe how it is measured.
- If a wave has a wave length of 30 m, what is the wave base depth?
- If 4 wave lengths pass a point in 2 minutes, what is the wave period?
- How fast do tsunami travel?
- What’s the average period of a tsunami?
- What’s the average wavelength of a tsunami?
- With a period of 10 seconds and a wavelength of 50 m, what is the wave speed?
- What happens to wave speed after a wave feels bottom and approaches shore?
- What happens to wave height after a wave feels bottom and approaches shore?
- What happens to wave length after a wave feels bottom and approaches shore?
- What happens to wave period after a wave feels bottom and approaches shore?
- At what ocean depths is a 30-m wave length wave considered a deep water wave?
- At what ocean depths is a 30-m wave length wave considered NOT a deep water wave?
- Which types of waves have the potential to have the largest height?
- Which of the following would be considered a deep-water wave in the open ocean?
- Tsunami
- Swell
- Chop
- Seiche in Pool/Lagoon/Bay
- Which of the following will increase wind wave height in the open ocean?
- Strong winds
- Moderate winds
- Weak winds
- As a result, where in the world’s oceans do we get the largest open ocean wind waves? Why?
- What type of interference causes rogue waves?
- constructive
- destructive
- Which direction does a rip current move? (Hint: time to do some outside research):
- along the shore
- towards the shore
- away from the shore
- What causes rip currents?
- jetty
- headland
- two longshore currents colliding
- wave direction
- Can they be predicted? Explain.
- Which direction does a longshorecurrentmove?
- along the shore
- towards the shore
- away from the shore
- What cause(s) longshore currents?
- jetty
- headland
- two longshore currents colliding
- wave direction
- Which of the following is true for tsunami (pick all that apply):
- deep-water wave
- shallow-water wave
- produced by earthquakes
- produced by landslides
- produced by strong winds
- considered a rogue (episodic) wave
- considered a standing wave
- considered a progressive wave
- What’s the average height of a tsunami in the open ocean?
- Are tsunami dangerous in the open sea? What happens when they reach shore?
- Which types of waves have the smallest wavelength, height, and period? (Check the Log Book)
- Which types of waves have the largest wavelength? (Check the Log Book)
- Which types of waves have the longest period? (Check the Log Book)
- Where is your Pirate Ship headed? (Check the Chapter 2 introduction). What are the coordinates of the landmark?
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