BROWNING: ENVIRONMENTAL FACTORS AFFECTING LOW FREQUENCY 

 PROPAGATION IN THE OCEAN 



VELOCITY (FT/SEC) 

 4728 4748 4768 4788 



4718 4738 4758 4778 



n 1 1 1 1 — R I 



Figure 7. HUDSON BAY VELOCITY PROFILE, 15 AUGUST 1970 



777 



