SYMBOLS AND DEFINITIONS 



C^^ wave steepness limitation factor 



d water depth 



E energy density 



Et total energy in the wave spectrum 



F straight-line fetch length (for irregularly shaped water bodies, this 

 should be based on an average over a 24° quadrant) 



f frequency of spectral component 



fjn frequency of spectral peak 



g acceleration due to gravity 



Ho deepwater significant wave height 



Hs significant wave height 



H dimensionless wave height 



Kg shoaling coefficient 



L wavelength 



R land-water windspeed correction factor 



RT air-sea temperature difference windspeed correction factor 



Tp peak wave period 



Ua windspeed to be used in wave height estimation 



Ua overwater windspeed corrected for wind instabilities 



U^j overwater windspeed 



U2 windspeed measured Z meters above land or water surface 



Uj^Q 10-meter (33 foot) windspeed 



X dimensionless fetch length 



a Phillips equilibrium constant 



Y ratio of maximal spectral energy to the maximum, of the corresponding 

 Pierson-Moskowitz spectrum 



TT 3.14159 



Og left-side width of the spectral peak 



o^ right-side width of the spectral peak 



41 wave steepness limitation factor 



oj]^ wave steepness limitation factor 



