10 

 8.0 



6.0 

 4.0 



2.0 



10 

 0.8 

 0.6 



04 



0.2 rrir 



0.1 

 0.08 



0.06 

 0.04 



0.02 



0.01 

 0.008 



0.006 

 0.004 



0.002 



0.001 



0.0001 0.0002 00004 0.001 0.002 0,004 



0.01 

 d 



0,02 0.04 0.06 0.1 0.2 0.4 0,6 1.0 



after Wiegel. R. L.. "Oscillatory Waves." U.S. Army. Beach Erosion Board. 

 Bulletin. Special Issue No. I.July 1948. 



Plate C-1. Illustration of various functions of 



C-2 



