INTERNATIONAL 



ICE PATROL 



1989 ANNUAL 



REPORT 



CONTENTS 



I 



03 INTRODUCTION 



04 SUMMARY OF OPERATIONS 



08 ICEBERG RECONNAISSANCE AND COMMUNICATIONS 



1 1 ENVIRONMENTAL CONDITIONS, 1 989 SEASON 



21 ICE CON DITIONS, 1 989 SEASON 



47 DISCUSSION OF ICE AND ENVIRONMENTAL CONDITIONS 



48 REFERENCES 



49 ACKNOWLEDGEMENTS 



APPENDICES 



50 A. LIST OF PARTICIPATING VESSELS, 1989 

 63 B. 1989 DRIFTING BUOY PROGRAM 

 87 0. ICEBERG MOVEMENT DETERMINED BY 

 SATELLITE TRACKED PLATFORMS 



I 



