Verspreiding schutwater Philipsdamsluizen in het Oosterscheldebekken

Zouttoestand traject Oosterschelde-Philipsdam

Pneumatic barriers to reduce salt intrusion through locks

Extensive areas in the low-lying parts of the Netherlands are below average sea level. They are divided up into polders in which the water levels are controlled by pumping. The water that seeps upwards in the soil together with surplus rain water is pumped into canals encirc1ing the polders; the canals are linked and serve as collectors, the...