162 



MARION EXPEDITION TO DAVIS STRAIT AND BAFFIN BAY 



Iceberg Drifts Compared With Ocean Currents 



FiGUitE 103. — The observed drifts of six icebergs, June 9-25, 1927, on the northeastern 

 side of the (jlrand Bank compared with the direction and velocity of tlie slope cur- 

 rents contemporarily determined by means of Bjerknes's formulae of hydrodynamics. 

 The numbers on both the base map and the overlay indicate the rate of movement 

 of the ice and the water, respectively, in miles per day. 



