Table 6. Explanation of Sea Ice Symbols Used in Figures 8 — 18 



Total ice concentration in the area in tenths. 



a b c 



Concentration of thickest (Cg ), 2nd thickest (Cb), 3rd thickest {Cq). 



SaSjjSc 



Stage of development of thickest (Sg ), 2nd thickest (Sjj), 3rd thickest (S q) 



Concentration of ice within areas of strips and patches. 

 Floe size of thickest (Fg), 2nd thickest (Fj^), 3rd thickest (F^ ). 



Stage of Development 



No stage of development 



1 New ice 1 



2 Nilas, ice rind 2 



3 Young ice 3 



4 Grey ice 4 



5 Grey-white ice 5 



6 First-year ice 6 



7 Ttiin first-year ice 7 



8 Thin first-year ice, 30-50 cm 8 



9 Thin first-year ice, 50-70 cm 9 

 1- Medium first-year ice / 

 4 • Thick first-year ice 



7 • Old ice 



8 • Second-year ice 



9 • IVIulti-year ice 



▲ Icebergs 



A trace of ice thicker than S 



a 



# Fourth type, if C C C do not add up to C 



Floe Sizes 

 Pancake ice 

 Brash, small ice cake 

 Ice cake 

 Small floe 

 Medium floe 

 Big floe 

 Vast floe 

 Giant floe 



Growlers and floebergs 

 Icebergs 

 Undetermined or 

 unknown 



18 



