E 

 — 100 



o e 



O) 6 



£ 



-^m-i 









^< 



^ 



o- 1 o- ; 





iV, 



rt- 



1 t 



—anv IX 



^o-e<»- 



->- 9 



TTTT 



ill 



O AjrgQuro 



• Shoonan 

 c Kaisuura 



• KasfMWQZ{ 



e Kulyuukur 



6 KoshimQ 



-o Seagrove , Fla 



6 Silver Strand. Coll 



9 Scnppi. Colif 

 O El Moreno. Mexicc 



O Virginia. South Al 



Width of surf zone, X^ (m) 



Figure 77. Correlation between rip current spacing Y,- and surf zone 

 width, Xb (after Sasaki, 1977) . 



Irribaren Number Ij- 



Figure 78. Dimensionless rip current spacing related to Xrribaran 

 number and three domains of rip current generation 

 mechanisms (after Sasaki, 1977) . 



200 



