jCOVERAGE (CONCENTRATION) 



P>»»l1 <0.1 (open water) 



[v^svs| o.l ihfu 0,4 (scattered ice) 

 ]o.5 thru 0.7 (broken ice) 



ru 0.9 (close ice) 

 H 1.0 (consolJdaled or last ice) Examples: 



60W. «pr w 

 LIMIT OF ICE SHELF 



FIGURE 18. AVERAGE ICE CONDITIONS, ROSS SEA, 16 THROUGH 31 JANUARY 1962 



27 



