Table 2. Values of the empirical coefficients 

 A2 and A3 for predicting relative 

 crest. ^ 



d/Lo 



d/gT2 



A2 



A3 



0.005 



0.000796 



0.0791 



125.9 



0.01 



0.00159 



0.12A 



67.6 



0.02 



0.00318 



0.197 



35.5 



0.05 



0.00796 



0.353 



15.07 



0.10 



0.0159 



0.498 



7.71 



0.20 



0.0318 



0.609 



4.11 



0.50 



0.0796 



0.698 



2.82 



1.0 



0.159 



0.624 



2.37 



Elevation for horizontal bottoms, using 



equation (3) and Aj = 1.0. 



Table 3. Observed versus predicted relative crest elevations for 

 monochromatic waves. 



Type of 



wave 



generator 



motion 



1/m 



Al 



Std. 

 dev. 



Coefficient 



of 



variation 



(pet) 



No. 



of 



tests 



range 



Source 



Sine 



00 



0.992 



0.0393 



4.0 



53 



0.3 to 



25 



This study 



Cnoidal 



00 



0.95 



0.038 



4.0 



13 



27 to 



184 



Weggel (1976b) 



Sine 



40 



0.909^ 



0.0375 



4.1 



26 



3.7 to 



24 



Singamsetti 

 and Wind 

 (1980) 



Sine 



20 



0.88^ 



0.035 



4.0 



12 



1.8 to 



24 



Singamsetti 

 and Wind 

 (1980) 



Sine 



10 



0.8181 



0.0752 



9.2 



22 



2.5 to 



23 



Singamsetti 

 and Wind 

 (1980) 



Sine 



5 



0.672^ 



0.0370 



5.5 



21 



2.0 to 



22 



Singamsetti 

 and Wind 

 (1980) 



At the breaking point, 



20 



