Figure 27. Definition sketch illustrating parameters used to obtain 

 shoreline change rates for a north-south-trending ocean shoreline 

 (a north-south trend is defined as 315° < a > 45°) 



created a change in plan area. The difference in plan area for each time 

 interval, divided by the shoreline length S, and the number of years between 

 surveys, produced an annual shoreline change rate S. for a particular survey 

 interval 



56 



