Characteristics of destructive waves?
High wave height, short in length, have a plunging breaker, a weak swash, strong backwash and takes beach sediment. Also has a frequency of 10-14 p/m
Characteristics of a constructive wave?
Low wave height, long in length, spiling breaker, strong swash, weak backwash, places sediment on the beach. Frequency of 6-9 p/m.