1000 1 — r 



CHAPTER 4 

 1 



800 



UNSCREENED DATA 



^ 600 



Z 



o 



CO 



s 



Z3 

 Z 



400 



200 



A 



I ,. .I..III 



1930 



1940 



1950 



1960 



1970 



YEAR 



600 



400 



O 



a. 



1^ 

 O 



ee 



uj 



CO 



S 



D 

 Z 



200 - 



1930 



1940 



1950 



1960 



1970 



YEAR 



FIGURE 4-1. — Inventory of bottom dissolved oxygen d;\ta lor New 

 York Bight, 1930-76. A, unscreened data; B. screened data. 



81 



