1.2 



. 





























1.0 



- 



























y"'^^ 



0.9 



- 



























^y^"^ 



8 



- 



























y^"" 



0.7 



- 



























y^^ 



0.6 



- 





























0.5 



























^^^^^ 





0.4 



























^■^ ^^^^ 





03 

















^y 



" 



yy 



y 



^^ 







0.2 

 1 



-" 



^ 



y' 



^ 



y' 



_l 



y' 





y^ 











, 1 1 l..l_L_l_l 



004 0.006 0.008 0.01 0.02 



Wave Steepness, H./L^ or H/L^ 



0.04 0.06 0.08 0.1 



Figure 1. Solutions of equations (5) [dashed curve) and (7) (dotted curve] 



4r 



Initial Slope 



After 150 hr 



After 375 hr 



5 



-2 



-14 



7 14 



Horizontal Distance 



21 

 (ft) 



Figure 2. Definition of cut depth, d^ , in laboratory profile development: 

 T = 1.9 seconds, H = 0.36 foot, d^ = 0.73 foot (profiles from 

 Fig. 7 in Chesnutt and Galvin, 1974) . 



