Figure 18. 



65N 



65W 



60W 



55W 



SOW 



Greenland 



60N 



55N 



SON 



Sea Ice Conditions 

 April 15,1987 



3/1 or greater sea 



ice concentration 



(Redrawn from Joint 

 Ice Center, 1987) 



1 972—82 mean 

 sea ice edge 



(Redrawn from Naval 

 Oceanography Command, 1986) 



65N 



60N 



55N 



SON 



45N 



60W 



S5W 



SOW 



4SW 



34 



