Symbol 



Definition 



Dimension 



Example Unit 



i 



h 



L 



La 



Lb 

 Lc 



Ld 



Ld 

 Lo 

 fiB 



Bb' 



fin 



^£t 



M 



M' 



M^ 



M^ 



M^ 



Source (or sink) fraction of gross longshore 

 transport rate (eq. 4-47) 



Layer coefficient of rubble structure 



Wavelength 



• Low pressure on weather map 



Wavelength in given depth according to Unear 

 (Airy) theory; La may differ from L (eq. 7-14) 



Wavelength at breaking 



Width of caisson 



Wavelength in water depth D (eq. 7-76) 



Wavelength in water depth dj (eq. 7-79) 



Deepwater wavelength 



Enclosed basin length (eq. 3-42) 



Length of rectangular basin open at one end 

 (eq. 3-44) 



Distance from reference pile to n^" pile of pile 

 group (eq. 7^9) 



Subscript for longshore transport to left as 

 viewed from beach 



Total wave moment about mudline on pile 

 (eq.7-21) 



•Nonbreaking wave moment about toe of waO 

 extending fuU depth of watpr 



• Variable of solitary wave theory, function of 

 H/d (eq. 2-67) 



•Mean diameter of sediment sample 



Moment about toe of wall overtopped by 

 nonbreaking wave (eq. 7-71) 



Moment about bottom (mudline) for wall on 

 rubble foundation (eq. 7-74) 



Moment about base of wall on rubble founda- 

 tion (eq. 7-75) 



Total moment about toe of wall per unit length 

 from nonbreaking wave crest 



feet 



feet 



B-8 



