Eco-friendly closure of tidal river systems: a case study on the Hollandsche IJssel

To protect the hinterland, flood defences are often located on the border between water and land. This same border however is also an attractive place to live, which may hamper improvement of flood protections. Closing off a tidal (river) system, especially in case of little discharge, may in this case be a logical consideration. This would...

Salt Intrusion Prevention in Locks: Designing a Movable Sill in the Existing Krammer Commercial Navigation Lock

Salt intrusion is undesired because it has negative effects for drinking water and agricultural water intakes. At the Krammer locks (Zeeland, the Netherlands) a complex system is integrated in the design of the lock which prevents salt intrusion very accurate. This effective reduction of salt intrusion is regrettably accompanied with high energy...