70X-I0 

 (after 210 hr) 

 I Or i i i i l 



-5 



if 5 



CO 



- 15 



20 



25 



30 



-0.7 k v, X v 



-0.6 ~-^' 



^ - 



! 1 -0.8 



-0.6 >,' 



*'' < 

 v 



-0.6,-./ 



•0.8 



Seaward most position 

 of each contour 

 Other more landward 

 positions of a given 



contour 



I I I I 



13 5 7 



Range 



0.2 ft 



0.0 



0.2 

 0.4 



-0.6 

 -0.7 



-0.7 

 -0.7 



-0.8 

 .0 

 .2 

 .4 



.6 



.8 



-2.0ft 



71 Y-IO 

 (after 335 hr) 



-0.7 



•=15- 



20- 



30 L ' 



0.2 ft 

 0.0 



-0.2 

 -0.4 



-0.5 



-0.6 



-1.2 



- I 



-2. 



.4 

 .6 



.8 

 Oft 



Figure 42. Profile shape at end of experiments 70X-10 and 71Y- 

 (L/W = 1.43). Compare with Figure 39. 



10 



89 



