As a tsunami enters a bay or fjord, wave height ____.
A)increases because the water depth deepens
B)increases because water is warmer
C)decreases because the water depth decreases near shore
D)increases because the wave is forced into a narrower space
E)decreases only if bay water is shallower, increases if it is deeper

Question

Quizplus · Accepted Answer

As a tsunami wave enters a narrower space such as a bay or fjord, its height increases due to the constriction of the wave's energy into a smaller area, a phenomenon known as wave shoaling.

As a Tsunami Enters a Bay or Fjord, Wave Height