Tsunami Flashcards
1
Q
tsunamis are caused by ______ of ______ in an ocean, sea, or lake
A
- displacement
- water
2
Q
causes of tsunami
A
- meteor impacts
- earthquakes
- volcanic eruptions
- landslides/mass movements
- icebergs calving from glaciers
3
Q
crest
A
highest point of a wave
4
Q
trough
A
lowest point of a wave
5
Q
wavelength
A
distance from crest to crest or trough to trough
6
Q
wave height
A
vertical distance from crest to trough
7
Q
amplitude (waves)
A
Height/2
8
Q
period (wave)
A
= time for one wavelength to pass a point
9
Q
frequency
A
number of waves per unit time
10
Q
speed/celerity
A
wavelength/period
11
Q
Water moves back &
up, thendown & forward, in a ______ motion
A
circular
12
Q
_____ passes through the water, but there is no net ______ of the water
A
- energy
- movement
13
Q
wave orbits are largest at the ______
A
surface
14
Q
orbits disappear below _______
A
half a wavelength
15
Q
as waves shoal (move into shallow water), characteristics ______
A
change
