



0)" 



15 2 



CHAPTER 6 



Stratification (C^ Units) 

 12 3 4 



FIGURE 6-7. — Relation between strength of stratification and decline in dissolved oxygen in bottom waters (>20 m) of Long Island shelf. 



8 



Nov Dec Jan Feb Mar Apr May Jun Jul Aug Sep 



E 6 



C 

 O 

 O) 



O ^ 



_> 

 o 



From Maximum 

 Stratification 



Average 



-1 [ Range of 



Observed , 

 In 1976 



Values 



J I I L 



Long Island Shelf 



J I 1 L. 



FIGURE 6-8. Dissolved oxygen content of bottom waters (>20 m) of Long Island shelf as predicted from stratification model and as observed in 



1976. 



145 



