I. INTRODUCTION: 



CONTENTS 



A. Purpose ••••«* ••••..« 1 



B. Summary of Oceanographlc Operations 1 



C. Participating Personnel •••.•••••..«.... 3 



II. ROSS SEA AREA, OCEANOGRAPHT: 



A. General «... k 



B. Physical Properties « 5 



1, Temperatiire • 5 



2, Salinity 5 



3, Density ••••... 8 



li. Sound Velocity ..•.. * 8 



III. BRANSFIELD STRAIT, OGEANOffiAPHy: 



A. General .• 9 



B, Physical Properties 9 



1. Temperature • '• 9 



2. Salinity 11 



3. Density 11 



U. Sound Velocity , 11 



IV. WEDDEIL SEA AREA, OCEANOGRAPHY,: 



A. General •• •••.• 12 



B. Physical Properties • 13 



1. Temperature 13 



2. Salinity 16 



3. Density • 16 



U. Sound Velocity -. , 16 



V. MISCELLANEOUS: 



A. Ice Conditions 18 



B. Bathythermograph Observations •• 31 



1, Antarctic Convergence o.*.**.... 32 



2, Ross Sea Area 37 



