<Dd> C = L / T (\ displaystyle C = (L) / (T)) </Dd> <P> where C is speed (celerity), L is wavelength, and T is time, or period (in seconds). </P> <P> The speed of a deep - water wave may also be approximated by: </P> <Dl> <Dd> <Dl> <Dd> <Dl> <Dd> C = g L / 2 π (\ displaystyle C = (\ sqrt ((gL) / (2 \ pi)))) </Dd> </Dl> </Dd> </Dl> </Dd> </Dl>

Where do ocean waves do most of their erosion