HORTON: THE EFFECT OF ROUGH INTERFACES ON SIGNALS 

 THAT PENETRATE THE BOTTOM 



G(x,Y,z) = z 



\lkW^) ^ 



$ = Y ^ - 1 tanh"^ I (5) 



Y 



c(z) = c + 2yz 



o 



2 2 ^ 2 ^ 2 

 r = X + y + z 



SOURCE AT (0,0,0) 



Y = SOUND SPEED GRADIENT 



SOURCES: PEKERIS, JASAl^, 295(1946) 



D.H. WOOD, JASA 46, 1333(1969) 



Figure 5. GREEN'S FUNCTION FOR A POINT SOURCE 

 IN A LINEAR GRADIENT MEDIUM 



282 



