Symbol 



Definition 



M(^ Mean diameter (phi units) of native (beach) 



material (eq. 6-1) 



Mj Coefficient determined by eq. 4-15 



Position of wave in front of wave generator 

 (Section 2.238) 



• Beach slope 



N Correction factor in determination of Tj (eta) 



from subsurface pressure (eq. 2-32) 



• Variable in solitary wave theory (eq. 2-67) 

 •A total number of items 



Nr Required number of individual armor units 



(eq. 7-109) 



Ns Design stability number for rubble foundations 



and toe protection (eq. 7-110) 



Number of layers of armor units in rubble 

 structure protective cover 



• Number of armor units across rubble struc- 

 ture crest 



• Ratio of group velocity to individual wave 

 velocity 



• Number of seiche nodes along closed rectan- 

 gular basin axis 



• Degrees latitude (isobar spacing— not loca- 

 tion) 



• Dimensionless value 1 + (Ts/Tb); ( eq. 3-82) 



• A number 



• Dummy variable 



Number of seiche nodes along rectangular basin 

 open at one end excluding node at opening 



Subscript referencing a particular pile in a pile 

 group 



• Subscript for net longshore transport rate 



• Subscripted dummy variable 



Superscript for discrete points in time 

 (eq. 3-65) 



Deepwater ratio of group velocity to individual 

 wave velocity 



Subscript for deepwater condition 



B-IO 



Dimension 



L 



L/L 



Example Unit 



phi 



€ 



wave lengths 

 ft.(rise)/ft.(run) 



€ 



degrees 



c 



