BOO 



1200 



1600 



\ 



2000 



2400 



N 



\ 



\ 



\ 



\ 



"^5, 



3200 



3600 



4000 



\ 



\ 



\ 



\ 



60v 



>55 



4400 



OXYGEN ml 



4800 



Figure 19. Vertical distribution of dissolved oxygen (ml/1) along Section D. 



25 



