Or- 



E 

 a. 



LU 



Q 



50° 0' N 

 157° 50' W 



± 



J 



1.45 1.50 1.55 



VELOCITY (km/sec) 



L 



-0.1 0.0 0.1 



EIGENFUNCTION 



Figure 15. Sound Speed- Depth Profile at 50° O'N, 157° 50'W and the 

 Corresponding First Four Modes for a 31-Hz Frequency 



119 



