Why do waves slow down as they get to the shore?



  1. 0 Votes

    As waves enter shallow water, they become taller and slow down, eventually breaking on the shore. In shallow water, wave action does not decrease with depth. At a depth of half its wave length, the rounded waves start to rise and their crests become shorter while their troughs lengthen. Although their period (frequency) stays the same, the waves slow down.

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