TABLE OF CONTENTS 



Page 



Title Page }_ 



Abstract "* 



Table of Contents --- '^ 



List of Illustrations /^ 



List of Tables viii 



Introduction ^ 



Instrumentation and Methods 1 



STD Casts 1 



Nansen Casts -'■ 



Anchor Stations 2 



Taut-Line Instrumented Arrays 2 



Meteorological Observations 2 



Data Reduction --- 2 



Dynamic Calculations in Shallow Water 3 



Navigation - — ^ 



Dynamic Topography 3 



Topography Relative to 1000 Decibars 3 



Topography Relative to 3000 Decibars 4 



Standard Section Time Series 4 



Standard Section A2 -- 4 



Standard Section A3 -— 5 



Results 6 



Direct Current Measurements 6 



Anchor Stations 7 



Taut-Line Instrumented Arrays 7 



Post-Season Hydrographic Data 9 



Fall Hydrographic Data 9 



Digital vs. Analog STD Data 9 



Conclusions and Recommendations 9 



References 10 



Illustrations 12 



Appendix A — Oceanographic Data 95 



LIST OF ILLUSTRATIONS 



Figure 



1. Northwestern North Atlantic Ocean 12 



2. Station locations, first cruise 1970 International Ice Patrol 13 



8. Station locations, second cruise 1970 International Ice Patrol 14 



4. Station locations, Post Season Cruise 1970 International Ice Patrol 15 



5. Station locations, fall cruise 1970 International Ice Patrol 16 



6. Single point taut-line instrumented array 17 



7. Dynamic topography of the sea surface relative to the 1000 decibar sur- 

 face. First cruise, first segment, 7-10 April 1970 _— 18 



