86
R.H. Charlier and Chr. P. De Meyer
wove prol~g=tiOn
<
A. UNDERTOW CURRENT CX;E TO I~REAKING WAVES
wove Dropogotion
I
.... ;-rl
oR DRIFT VELOCITIES DUE TO NON-LINEAR ~FFg~T$
inaiviatmt
v,,=~ pcaexet
]1
- a~.a'~ -
Ica'~'=~
/ \
/, ~ /'~--~.._
ill
,'~.~
,
-"--.
T
~
I%,&._H-- "~
....
~' 11
~, ~t -,'~.
• ,
- -
--~,
I
v
fi
t I l u,
i i
I
. ~.~./
|
= i _ _~'-- 7~---'-~_L'~', -a,r "- ----~#--~n._
C. ORBrrAL VELOCITIES DUE TO FORC£D
D. LONGSHORE AND RIP CURRENTS
LONG WAVE EFFECTS
Fig. 12 : Wave-induced velocities and currents