Hydro-ecological relations in the Delta Waters

Plan, then it is apparent tbt the separatian of the Grwelingen and
Eastern Scheldt estuaries occurred prior to the peak polluttan years of
the early seventies. The formation of sedimentation regians I and 11, a
result of the closure of the Rarhgvliet, took place hediately before
the major wave of pollution occurred, while sedimentation rsgion 111,
wbich d l be created by the fluehiq operatians of Lake Zoom, will be
affected now that contamLRatiDn levels have been greatly reduced.
Figure 4
Associated cadmium in suspended river sedimeots ar the points
where the rivers Rhine, Meuse and Scheldt cross the border