CONTENTS 

 I. INTRODUCTION 



Page 



A. Historical 1 



B. General Discussion of Oceanography of Indian Ocean 3 



II. DATA COLLECTION 5 



III . DATA COMPUTATION AND PRESENTATION 



A. Oceanographic Station Data 6 



B. Vertical Distribution Profiles 6 



C. Vertical Distribution Station Graphs 6 



D. Temperature-Salinity Curves 6 



IV. DISCUSSION OF RESULTS 



A. Temperature 31 



B. Salinity 32 



C. Temperature-Salinity Relations 34 



D. Density 38 



E. Dissolved Oxygen 38 



F. Percentage of Saturation of Dissolved Oxygen 39 



G. Sound Velocity 40 

 H. Transparency 41 

 I . Deep Scattering Layer 41 



V. ACKNOWLEDGMENTS 42 

 VI. REFERENCES 43 



APPENDIX A 45 



FIGURES 



1 . Track Chart of EASTWIND, March and April 1961 2 



2. Vertical Distribution of Temperature Between Stations 1 and 5 7 



3. Vertical Distribution of Salinity Between Stations 1 and 5 8 



4. Vertical Distribution of Density Between Stations 1 and 5 9 



5. Vertical Distribution of Dissolved Oxygen Between Stations 1 and 5 10 



