10,000 r- 



8,000 



? 6,000 

 O 



o 



Ul 



IE 

 O 



< 

 Z3 



O 



4,000 



2.000 



(5 



'I 



Q 



-J 



I 



I 



1945 



t^s 



SHOALING RATE- 

 332,500 m3/YR 



SHOALING RATE= 153,000 m^/YR 



_L 



_L 



_L 



J_ 



1950 



1955 



1960 



1965 



1970 



1975 



1980 



-\ 8,000 



7,000 



6,000 <^ 



E 

 u. 

 O 



5,000 Q 

 2 

 < 

 to 



4,000 g 



3,000 S 



-J 



o 

 > 



2,000 



1,000 



(from Walton, 1977) 

 Figure 4-87. Mass dredging curve for Pensacola Inlet, Florida. 



1,500 r 



g 1,000 



5 

 a 



Q 



3 

 £ 



CI 



500 



- 1,400 



- 1,200 



- 1,000 O 



- 800 



- 600 



- 400 



- 200 



o 

 ■z. 

 < 



o 



I 





o 

 > 



1935 



1940 



1945 



1950 



1955 



1960 



1965 



1970 



(from Walton, 1977) 

 Figure 4-88. Mass dredging curve for East Pass, Florida. 



4-179 



