226
R.H. Chadier and Chr. P. Dc Meyer
The Sochi beach (Georgia, Caucasus) requires a yearly addition of 70,000 m ~
(2,472,000 fP) after half a million m ~ (17,667,000 ft ~) were added from 1989 to
1986. The Croisette beach (Cannes, France) remains stable. The Prado beach
(Marscille, France) was entirely created by man. Chatelaillon (France) needs
yearly 3,000 m ~ of sand (105,944 ft~).
I --------- ]
I .....
t
iM.~o w.,:~,,
F-~LT_~.--7
!
I
z
,
~ul
I
'
I
I U.~--..
I
I
........
I
L ..... L .... J
v,,
uP S..*VJ
Fig. 28 "
Gold Coast alternative nourishment placement zones.
(Smith & Jackson 1990)
To balance this loss, an artificial nourishment is desirable equaling the amount
removed ; this approach counteracts the negative impact the structures would
have outside the zone where they have been placed. However, local conditions
may be such that artificial nourishment does not eradicate adverse impact.