initial fill excursion 



total excursion loss at time t 



total fill excursion remaining after time t 



long-term excursion loss (gain) at time t 



fraction of f j lost at time tj 



initial excursion loss at time t due to slope readjustment 



and sorting 



time at which essentially all initial losses due to slope 



readjustment and sorting have occurred 



effective life of beach fill 



t=o 



— j— 



t=ti 



t = t e 



TIME (yr) 



Figure 19. Definition sketch for beach-fill response. 





90 

 80 



- 



MLW 



MSL 



MHW 



- 





70 



- 









- 





60 



- 









- 





50 







\ < 





- 





40 











- 



_§ 



30 













o 







k=0.61 



\ k=0.78 



\ k=0.93 





3 



u 















X 



(J 

 < 



CD 



20 



10 

 9 















8 









\« 



- 





7 











- 





6 











" 



TIME AFTER FILL PLACEMENT (yr) 



Figure 20. Semilog plots of excursion distance versus 

 time after fill placement for profile WB 15. 



43 



