^'U ;m '^^ 



6 F E D C 



OBSERVED SALINITY GRADIENTS 

 (26,27/6/41) 



30 30 30 30 30 30 20 30 10 20 S30%o 



J 1 I i_ I .1 ■ .1 'I ■ , I ■ I I L 



-Boundory - - Depth — | - 8*7 meters 



(0) 



-Om. 



"5 



10 



(5 

 20 



0.! 



meters 



Boundary Depth 8.7 meters 



Salinity 31.2 to 3l.6%o' 

 (b> 31.6 to 3l.7%o.^ 5» 



10 



20 



Fig. 4. — Salinity gradients, logarithmic depth scale 



275 



