SCIENTIFIC RESULTS 



131 



The transition in the character of the water cohimn at a depth of 

 about 75 meters a«rrees well with the stratification found June 5, 

 with the exception that now the deepest pinnacle, 200 feet, fell just 

 short of reachino- down into the cold Arctic water on the bottom 

 of the bank. These data cleai-lv show that the berir was then floating 



35.-52 ^« 



Forces Controlling the Drift of an Iceberg 



Figure 86. — A berg on June 5. 1924 (see position on fig. 87). with its drift controlled 

 l)y the deep-seated Arctic current. The lower sketch represents the same berg after 

 a major calving on June 18. 1'.»"_'4 (see position on fig. 87). 



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

 easily came under the control of the rapidly chanoinfj winds. 



Many other ber<r tracks that we have followed to the meltino; end 

 of a ber<.^*s life, simihir to tiie case just described above, have eventu- 

 ally become very irregular. i)lainly indicatino; the loss of control by 



