18 



76 



74 



72 



70 



50 55 60 65 70 75 SO 85 90 



Figure 183. Probability of the presence of ice 

 (in percentages) in the western 

 part of the Kara Sea in the first 

 half of September. 



Figure 184. Probability of the presence of ice in the northeastern 

 part of the Kara Sea in the navigational period . 



453 



