The Hydrography of the Former Zuiderzee | Hydro International
The Navigational History of a Challenging Inland Sea The 32km-long dam called the Afsluitdijk, separating what was then the Zuiderzee from the North Sea, was completed in the Netherlands in 1932. It transformed the Zuiderzee from a large, shallow bay of the North Sea into a freshwater lake, which was renamed the IJsselmeer in a reference to the River IJssel – one of the major branches of the Rhine. This feat of Dutch hydraulic engineering signalled the end for the Zuiderzee and its rich history. However, evidence of that history still remains in what used to be the seabed, much of which h...
Source: hydro-international.com