132 MAEIOX EXPEDITIOX TO DAVIS STRAIT AND BAFFIN BAY 



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Forces Controlling the Drift of an Iceberg 



Figure 87. — The drift track of a large iceberg siglited May 26, 1924, under the 

 control of the cold Arctic current. On June 13, 1924, it underwent a major 

 calving, greatly reducing its draft. The marked change in the direction of its 

 drift, as shown above, is attributed to the assumption of control by the wind and 

 surface layers. 



