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    Warum haben die Niederlande statt des Zuidurzee-Staudamms nicht mehrere Staudämme auf den friesischen Inseln gebaut?

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    4. ChemicalRain5513 on

      I don’t know the exact reason, but there are two reasons I can think of.

      The afsluitdijk also functions as a road between Frisia and Holland. Your proposed dam would not serve that purpose.

      The Wadden Sea is a unique ecosystem, creating dams between the islands would turn it into fresh water and prevent migration of sea animals and change it completely.

    7. AnscombSquint on

      Very different engineering challenge. The Marsdiep betweeen Den Helder and Texel, for example, is deep and has powerful tides—hard to build in.

    8. The-Dutcher on

      For ecological (and probably econimocal too) reasons. The Waddenzee is quite a unique ecological system. It’s protected.
      Not sure if it was already protected back then. But it would’ve made an ecological catastrophy for the coastlines of Fries;and, North Holland, Groningen and Germany

    9. SickHobbit on

      The sounds in between the islands are comparatively quite deep as opposed to the entry to the Zuiderzee. Especially in between the mainland and the island of Texel, the sound reaches depths of close to 30m, caused by tidal forces. These tidal forces in turn would cause significant erosion, requiring múch more maintenance, and therefore bringing much more costs to any project of the sort. Finally, the idea was with the Afsluitdijk to create essentially one giant ass polder which would then by made dry and usable for large scale agriculture. Only the Noordoostpolder and the two polders that make up the Province of Flevoland were realised of that plan in the end. Every now and then there are still ideas being floated of finishing the poldering of the Zuiderzee/IJsselmeer, but it’s never really made it beyond the realm of political speculation.

    10. TheBraveButJoke on

      The real answer is that all those drainage channels between the islands are really deep and have a lot of erosive presures on them. while the zuiderzee channel was shallow and not directly exposed to the elements because it was sheltered behind the islands

    11. Zoolbarian on

      Sand vs clay? The Flevopolder’s purpose was agricultural land, I would imagine the Waddenzee would become a dustbowl..

    13. PresidentHurg on

      I could think of 4 reasons.

      1. Enviromental concerns. The Waddenzee has ecologically been seen as a more important area then the Zuiderzee.

      2. Infrastructure/travel times. The afsluitdijk has a road on it that connects Noord-Holland and Friesland. Going the long way around through the island is madness.

      3. Culturally. I think the Islands would object being linked that way.

      4. Why? There is no plan to polder the Waddenzee. The whole idea was „tame“ the Zuiderzee and polder there to create Flevoland. The afsluitdijk made that happen. You don’t need dams on the waddeneilanden to accomplish this goal.

    14. real_grown_ass_man on

      There were such plans:

      https://geografie.nl/artikel/bijna-een-waddenpolder

      The reason this was never executed is cost. The Afluitdijk was only realised in the 30’s and was a huge investment. I doubt we had the technical capability long before that. The plan to polder the ijsselmeer since has been abandoned.

      Nowadays we wouldn’t do this. The ecological costs would be to great, the profits from agriculture too small.

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