LATITUDE 



34-4 1500 



in 



2 



■34 3 1000 



34 2 500 



ANTARCTIC INTERMEDIATE WATER 



4q°5 3p° 20° 



56 II67II66II72 1173 1174 1175 1176 1177 1176 



IL I 



3p° 20" 10" 



5TATI0N 1162 1163 11641165 1166 1167 II6BII72 1173 1174 1175 1176 1177 11761179 1180 IIBI 1182 1183 



II III I I IK I II I I III I i II I I 



1170 



■34 5 2000 - 



© SILICATE MGMSiOg/M 



6 7 



184 



34 1 0- 



Fig. 20. Graph showing the variation of salinity and silicate content from south to north at the depth of 

 minimum salinity in the Antarctic intermediate current in the eastern part of the South Atlantic Ocean. 



LATITUDE 40,5 3,0 20° 10 0° 



STATION 1162 1163 1 1641165 1166 1167 H6B 1172 1173 1174 1175 1176 1177 1178 1179 1180 IIBI 1182 IIB3 1184 



II ill I I iRl I II II I III 



/^N N 1 1 in 



-140 ?000 



X PHOSPHATE ugm PjOj/m 3 

 O SILICATE mgmSi0 2 /m 3 



60 50D- 



L 60 0- 



Fig. 21. Graph showing the variation of phosphate and silicate content from south to north at the depth of 

 minimum salinity in the Antarctic intermediate current in the eastern part of the South Atlantic Ocean. 



9-2 



