Hydro-ecological relations in the Delta Waters

Figsrlre 7
Changes in the cadrnrum contenr 08 the Bbine vater W) and fn
river bed sedineat from the Aari~wlieE (K) over the period
1971-1W.9
As flushing +pexasrions ere vnly sebeduled hc cBmaenc@ Sn 1981, the
quuli@ oZ the! eediwn2 in take &m is *=ill the as that faund in
o~het part$ of the Eastern 5cheldt. %wener, theue ia a small area
Wtnd trhe Volketaklocke wMch has been afteored by the inflw Q£
water From tke Hollaxrds Dig. For water management purposes it h@% been
decl&d tu re~tticthe fldinp; qerationw in Lake Zom to a miaimum
(the salinity level in eke lake *ill not eiceed 4170 &l),
the iuput of ppollutants.
to reduce