LIST OF SYMBOLS 



If not defined in the article, the symbols have the following meaning: 



A^ Amplitude of W^^ 



A~ Expansion coefficients, see equations (58) and (62) 



a^, a^ See equations (63) and (64) 



F-^ See equation (57) 



fyi2 ^^^ equations (39) and (40) 



^mn ^^® equation (52) 



g Acceleration of gravity 



H Bottom depth 



h Horizontal components, used as an index 



k = (K-.rj) Wave number vector 



p Pressure, p mean pressure 



u (u, V, w) orbital cuiTent velocity of the waves, with components 

 u, V, w in direction x, y, z 



W (z) Eigenfunction of rr mode, according to equations (46) to (48) 



X (x, y), horizontal plane 



z Vertical coordinate, pointing downwai'd 



Viz) 



1 dp 



— — ; Tr, = const 



p dz 



c 



Amplitude of a wave 



p 



Density, p(z) mean density distribution 



^ 



Gravitational potential 



CO 



Angular frequency 



V 



/ d d d\ 



I — , — , — , del operator 



\ dx dy dzl 



V. 



Divergence 



V2 



Laplace operator 



REVERSE SIDE BLANK 



