SYMBOLS AND DEFINITIONS 



C^ drag coefficient of wind over water 



Cg drag coefficient for wind measured at an elevation of z, where 

 z is expressed in meters {^unless otherwise stated) 



Zq phase speed of waves 'with maximum energy density 



i\^i arbitrary functions 



g acceleration of gravity 



H wave height 



K^ microviscosity coefficient, due to turbulence 



T wave period 



t duration of wind 



U windspeed 



u" mean velocity parallel to the x axis 



u^ shear velocity 



u^ free-stream velocity just outside the boundary layer 



\x% friction velocity, u^ = (t/p) 



u' ,w' perturbation velocities parallel 



6 thickness of boundary layer 



6^ displacement thickness of the boundary layer 



6;^; momentum thickness of boundary layer 



K Von Karman's constant 



V kinematic molecular viscosity coefficient 



p^ density of air 



T wind stress 



