Stokes' 
order profile:
Transitional water (d/L=0.1)
Non-linear effects are important. H/L = 1/60
Deep water 
Same T as Case 1. H/L = 1/107
Deep water
Same L as Case 1. H/L = 1/60
Cases 1,2,3 Shown in Fig. 2-7 of SPM:
