PREFACE 



This is the 64th in a series of annual reports on the International Ice Patrol 

 Service in the North Atlantic Ocean. It contains information on Ice Patrol 

 organization, communications and operations, and on ice and environmental 

 conditions and their relationship in 1978. 



The authors of this report acknowledge applicable ice, weather and 

 oceanographic data provided by the Canadian Department of the Environment, 

 U.S. Weather Service, U.S. Naval Weather Service and the U.S. Coast Guard 

 Oceanographic Unit. Recognition is given to the Marine Science Technicians and 

 Yeomen of the Marine Science Branch of the Commander, U.S. Coast Guard 

 Atlantic Area for their assistance in the preparation of this manuscript and 

 illustrations for this report. 



The U.S. National Aeronautical and Space Administration contribution to the 

 continuing effort to devise an all weather method of detecting and identifying 

 icebergs is gratefully acknowledged. 



The continued cooperation and generosity by the Canadian Coast Guard Radio 

 Station St. John's/ VON is worthy of particular note and gratitude. 



