TABLE OF CONTENTS 



Preface v 



International Ice Patrol 1977 1 



Aerial Ice Reconnaissance 2 



Communications 3 



Ice Conditions, 1977 Season 5 



September through December 1976 5 



January 1977 5 



February 1977 5 



March 1977 5 



April 1977 5 



May 1977 6 



June 1977 6 



July and August 1977 6 



Oceanographic Conditions 1977 22 



Iceberg and Environmental Conditions 1977 28 



Research and Development 1977 41 



List of Participating Nation's Ships Reporting Ice and Sea Tempera- 

 tures 43 



Appendicies : 



Tagging of Arctic Icebergs A-l 



Labrador Current Computer Model B-l 



Iceberg Populations South of 48°N Since 1900 C-l 



Unusual Iceberg Sighting D-l 



