+ 10 



AC 



% 



+ 5 



Percentage Deviation AC of the measured wave 

 velocity C from the Laplace Formulaic 1 - f^-tsh^) 

 as o function of the reciprocal steepness L/H and 

 the wind velocity U 



/ Figures = Number of single values averaged 

 "^88 Reciprocal steepness l /h — -»■ 



20 30 



♦ +U«6m/s 



40 



>U*6m/s 



Figure 2 



l /h 



70 

 60 

 50 

 40 

 35- 

 30 

 25 



20 



15 



Reciprocal steepness L/H as a function of the 

 wave age C/u 



Sverdrup and Munk 







, •+ -^-V* + + ° 

 fits ••*+ . 



Number of measurements: 



Values used by Sverdrup and Munk 

 a Schumacher 

 o Hinterthan 

 Figure 3 . Neuwerk measurements 



128 



5 



10 



373 



2.5 



c/u 



23 



