Table 8. Summary of bed friction and eddy viscosity coefficients. 







Bed Prlctlon Coefficient 



»dy Vlscoalty Cloaure Coefficient 



rallo 



P 



1 



(teacBrcheT 



Experlnenta (L or P) 

 87 



Syatol 



Equation 



Hodel 



Value 



Cloaure 

 Syobol 



Equa- 

 tion 



ttodel 



Value 





Longuet- 



Rlgglna (1970) 



Calvin and Eagleaon 

 (1965) (I) 



"=f 



(51) 



Weak wl 



0.01 



eatl««te< 



" 



(55) 



="' 



0.0024- 

 0.0096 



0.82 



0.1-0.4 



Thornton (1«9) 



Calvin and 



Eaglaaon (19*5) 

 Ingla (1966)(r) 



'=f 



Jonaaon 

 (1966) 

 Jonaaon 

 (1966) 



.eak ;/ 



— "% 



Bed 



roughneaa 



(v.rlea) 

 0.02-0.06 

 (varies) 

 0.02-0.6 



Hone 



See Table 4 



1 





H.A. 



Jans (1972) 



Calvin and Eaglaaon 

 (1965) (L) 



", 



(51) 



weak/ 

 aimall 



0.001- 

 0.0025 



H 



(55) 



Different 







H.A. 



Jonaaon, 

 Skovgaardt and 

 Jacobaan (I97i) 



Putnaa, Hunk, and 

 Traylor (19«9)(l) 



Calvin and Eaglaaon 

 (I965)(L) 



Ingle (1966) (P) 



(^ 



(77) 



Strong/ 



a«all 



angle 



(varies) 



0.05- 



0.1 



,H„„e 



See Table 4 



1 



0.8 



0.8-1.42 



0.8 



H.A. 



Bed friction coeffi- 

 cient function of f^ 

 and f, for unlfoc™ 

 currenta and waves, 

 respectively. 



Hour (1975b, 

 1976b) 



Otbeca prior to 

 1967 



"f 



(156) 



Bapl- 

 rlcal 



0.0171 

 0.0225 



H 



(55) 



Saate 



0.01- 

 0.016 





0.1-0.4 





Battjea (1975. 

 1978) 



Hone Bade 



■^f 



(127) 



Heak/ 

 aull 



speclfle. 



H 



See Table 4 



0.3-1.8 



(Lab) 

 21-45 

 (Pleld) 





H.A, 



K dependa upon bed 



Huntley (1976) 



(hm experlaents 

 Devon, England 





(51) 

 linear 



■eaeured 

 directly 

 In field 

 0.0019 

 •.0006 



0.0026 

 1.0006 



0.0019 

 1.0006 



NOT APPLICABLE 



tan 8 ' 0.01 

 Includea lateral 

 ■ixlng In bed atreea 

 coefficient. 



Liu and Dal- 

 rjrwpla (1978) 



Putnaa, Hunk, and 

 Traylor (1949) 



f 



linear 



atrong/ 

 large 



0.04 



HOT APPLICABLE 





Skovg.iard. 

 Jonaaon. and 

 Olaan (1978) 



Galvlo and Eagleaon 

 (1965)(t) 



f^ 



6aae aa Jonaaon, Skovgaard, 

 and Jacobaen (1974) 



C 

 H 



See 

 Table 



Outalde 

 Surf Zone 



Inside 

 Surf Zone 



0.02- 

 0.04 



0.177- 

 0.220 



1.13 



H.A. 



Saae aa Battjea (1975) 

 In Burf rone. 



Hadaao at al. 



(1978) 

 Oatendorf and 



Kidaan (1979) 



Calvin and Eagleaon 



(19«5)(L) 



'•I 



E.P1- 

 rlcal 



fitting 



(varlea) 

 0.01 



r 



See Table 4 



0.013 





P« 





Kraua and 



Saaakl (1979) 



Hlnguchl, OaklM. 

 and Rorikan (1978) 



"^f 



(78) 

 (78) 



Neak 7 

 Large o^ 

 Weak V 

 Large n^ 



0.011- 

 0.024 

 0.0061 



r 



See 



Table 

 4 



Dtfferent 



0.0062 

 0.037 



0.015 



0.99 

 1 28 



•1.0 



P« 



0.058- 



0.17 



0.072 



Different Fotrolatloo 

 for vt. In and outalde 



TTiomton (1980) 



Own experlaenta, 

 Torrey Pinea, 

 Calif. (1978) (P) 



<=? 



(42) 

 neglec- 

 ting T^ 



Measured 

 directly 

 In field 



0.006t 

 See 



Pig. 71 



HOT APPLICABLE 



tan e i 0.023* 



186 



