HORTON: THE EFFECT OF ROUGH INTERFACES ON SIGNALS 

 THAT PENETRATE THE BOTTOM 

 VELOCITY _ 



1467 



DEPTH 



1480 m/sec 



WATER 



SEDIMENT 



GRADIENT 

 1 . 16 sec 



-1 







t 



X 



JAPAN SEA ABYSSAL PLAIN 

 HAMILTON (19 74) 



n"{Z) - 



V(0) 

 V(Z) 



= 1 - aZ 



(1) 



V(Z) S V(0) + J aV(0) 



(2) 



1/a ~ 750in 



Figure 1. ENVIRONMENTAL PARAMETERS 



276 



