300 



200 - 



100 - 



2 -100 



-200 - 



-300 



CO -400 



-500 



This Study 



April 1948- February 1970 

 February 1970- May 1996 



300 



-500 



FDEP 



^*V 



April 1948 - February 1970 

 February 1970 - December 1993 



200 



100 - 



-100 



-200 - 



^ -300 - 



-400 



Difference (FDEP - This Study) 



April 1948- February 1970 



February 1970 - December 1993/May 1996 



10,000 20,000 30,000 



Distance from South Jetty, ft 



40,000 



Figure 3-3. Shoreline-position change after Harbor construction from data sets analyzed 

 (a) for this study and (b) from the FDEP. 



Chapter 3 Assessment of Coastal Change 



3-7 



