SYMBOLS AND DEFINITIONS 



d T time-averaged water depth 



d T L largest time-averaged water depth expected 



d T c smallest time-averaged water depth expected 



F effective Froude number (eq. 3) 



FM minimum effective Froude number for which waves with dimensionless 

 frequency Q can propagate (Table) 



FL largest F that can be expected (eq. 15) 



FS smallest F that can be expected (eq. 16) 



g acceleration of gravity = 32.2 ft (9.8 m)/s 2 



H height of a monochromatic wave 



H» height of monochromatic wave when current is absent (eq. 10) 



H v height of monochromatic surface gravity wave when current is present 

 (eqs. 9 and 12) 



K horizontal wave vector 



L wavelength of monochromatic wave 



L» wavelength of monochromatic wave when current is absent (solution of 

 eq. 1) 



L v wavelength of monochromatic wave when current is present (eq. 7 and 

 solution of eq. 2) 



P bottom pressure fluctuation magnitude accompanying monochromatic surface 

 gravity wave 



Rt dimensionless wavelength factor = Ly/L. 



R„ dimensionless wave height factor = H V /H A (eq. 11) 



Ru t largest value of Ru expected 



Ru o smallest value of R„ expected 



T period of monochromatic wave 



TS smallest wave period of interest 



TS 1 smallest wave period for which currents can be neglected when observed 

 bottom pressures are used to estimate wave heights (eq. 17) 



V horizontal current speed 



V horizontal current velocity vector 



