Datum = MTL = Mean Tide Level 

 initial Survey 11 October 1962 

 - MTL-Beach Intersect 

 jurveys did not always reach MTL) 



10 



> 

 03 



20 



o 5 _ ^ 



I 10^ 



> 



oLM 



O'^ 



-300 -200 -100 +100 1-200 +300 



ft 



I U—\ \ \ L— J 



-90 -60 -30 +30 +60 +90 

 m 

 Distance fronn Mean Water Line of Initial Survey 



Figure 4-1. Typical profile changes with time, Westhampton 

 Beach, New York. 



4-2 



