SCIENTIFIC RESULTS 



131 



The transition in the charcU-ter of the water rohmin at a depth of 

 III tout 75 meters a<;rees well Avith the stratification found June 5, 

 w ith the exception that now the deepest pinnacle, "200 feet, fell just 

 short of reaching- down into tlie cold Arctic water on the bottom 

 of the bank. These data clearly show that the berir was then floatinoj 



32.02 Z 

 -33.00 ^0 



-53.0^ "4. 

 -33.20 Z 



33.52.^0 



Forces Controlling the Drift of an iceberg 



FiGUBE 86. — A berg uu .Tune .j. 1924 (see position on fig. 87), with its drift controlled 

 by the deep-seated Arctic current. The lower sicetch represents the same berg after 

 a major calving on June 18, 1924 (see position on fig. 87). 



wholly in the upper strata of the coastal waters, and being so shallow 

 easily came under the control of the rapidly changing winds. 



Many other berg tracks that we have followed to the melting end 

 f a berg's life, similar to the case just described above, have eventu- 

 ally become very irregular, plainly indicating the loss of control by 



