FIGURES 



1. Tracks of icebreakers conducting oceanographic work on 



DEEP FREEZE II 2 



2. Track and station location chart, USS STATEN ISLAND - 



DEEP FREEZE II 6 



3. Vertical distribution of temperature, salinity and density 



in Drake Passage, USS STATEN ISLAND - December 1956 8 



h» Vertical distribution of temperature, salinity, and density 



in Weddell Sea Area, USS STATEN ISLAND - December 19$6 , , , , 10 



5. Track and station location chart, USS GLACIER » DEEP 



FREEZE II •.••••••.•.••».•••.«.«. •••Ill 



6. Track and station location chart, USS ATKA - DEEP 



FREEZE II 15 



7. Track and station location chart, USCCC NORTHWIND - 



DEEP FREEZE II , . 16 



8. Vertical distribution of temperature, salinity, density, 



and oxygen in Ross Sea Area, USS GLACIER - November 1956 . . , 17 



9. Vertical distribution of tenperature , salinity, and density 



in Vincennes Bay, USS GLACIER - February 1957 « 20 



10, Conparison of vertical ten^serature , salinity, and density 



in Vincennes Bay - March 1956 and February 1957 21 



11, Vertical distribution of teii5)erature , Atlantic Antarctic 

 Convergence ■- December 1956 and February 1957 •....e»e2li 



12, Vertical distribution of temperature. Pacific Antarctic 

 Convergence - November 1956 ,.,,,«..,*.e,,,,,26 



13« Vertical distribution of temperature. Pacific Antarctic 



Convergence - December 1956 .••••,•«. •,.,,o,, 27 



lU. Vertical distribution of teirperature , Pacific Antarctic 



Convergence - February 1957 28 



15. Vertical distribution of tenperature, Indian Antarctic 



Convergence - February 1957 . .........29 



