786 



EIGHTH PACIFIC SCIENCE CONGRESS 



% 



120 r 



100 



80 



r 



co/litre 



■6.0 



6.0- •^ 



4,0 



Dec, 1962 

 July, 1961 



Wif^'ter 



8 10 18 14 16 18 20 22 24 2 4 6 8 hr 



Fig. 4. — The diurnal variation of the dissolved oxygen. 



