• Crow_Thief@lemmy.world
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    3 months ago

    Tbh, building a mountain and tearing it down again would be about as useful as half of existing jobs.

    • Gladaed@feddit.de
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      4 months ago

      No, it would not. There already are waterways splitting North America into multiple large pieces.

    • Ephera@lemmy.ml
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      4 months ago

      Nope, the continental plate would not be separated by a river flowing over top.

      • onion@feddit.de
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        4 months ago

        Continents are not defined by tectonic plates, for example Eurasia is separated by an imaginary line. There is no universally agreed upon definition of what exactly earths continents are either.

      • EunieIsTheBus@feddit.de
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        4 months ago

        I wouldn’t be so certain about that. Evaporation might be stronger similar to the mediterreanian sea. So water would flow from both sides into the channel.

        But such a project probably disturbes weather patterns and ocean currents all together. Hence, I don’t think we can be curtain until we’ve tried it. Now grab your shovel. FOR SCIENCE!

  • Kit@lemmy.blahaj.zone
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    4 months ago

    Assuming the river would be identical in depth and breadth to the Panama canal, if every man, woman, and child in the US picked up a shovel they would need to move 305 cubic feet of dirt each. So if we all just moved 1 cubic foot of dirt per day, we could pull this off in a year.

    • DeanFogg@lemm.ee
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      4 months ago

      Hey, you’re a numbers guy right? What’s to say we take all that extra dirt and make an island? Asking for a friend

    • FiniteBanjo@lemmy.today
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      4 months ago

      Does the USA still own the Panama Canal? I remember there being some disputes about that.

  • Fugtig Fisk@feddit.dk
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    4 months ago

    If they could do it in ancient Greece then Americans can do it today for sure!

    Stolen from !topview@lemmy.world

    Also: although planned over 2000 years ago, it wasn’t really made by ancient Greeks. They gave up and made a road to transport ships on it instead of actually digging. Only in modern time did they actually finish the canal

    • jet@hackertalks.com
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      4 months ago

      Wait… They had a movable pool that they rode the ships into and then horses dragged to the other waterway? That sounds awesome

      • AAA@feddit.de
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        4 months ago

        Better even. They made the movable pool quite long. So while the horses dragged the pool the ships could still sail in it. That way the horses didn’t need to drag the pool the whole way!

        • Fugtig Fisk@feddit.dk
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          4 months ago

          I dont think so. Not in this case at least. They gave up digging in the hard rock and instead made a limestone road to drive them on dry surface.

          This is the Corinth canal but before it was made the paved road for transporting ships was called Diolkos

          • AAA@feddit.de
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            4 months ago

            I know. I was just expanding on the other persons joke (I assume he joked). :)

            You are a good person for being this patient and sharing your knowledge.

  • Rhaedas@fedia.io
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    4 months ago

    My first thought was if this was remotely possible on this scale, how many things would be disrupted and changed from the water movement alone. The Panama canal has to have locks because of the ocean differences, but no way would you have locks spanning a few hundred miles across. This thing would have tides back and forth.

  • FiniteBanjo@lemmy.today
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    4 months ago

    I would need a study on if this would negatively impact desert ecosystems or introduce invasive species, but otherwise it sounds pretty cool if we limit the size until it’s about as big as the new Panama Canal expansions.

    • meowMix2525@lemm.ee
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      4 months ago

      Nevermind any communities you’d separate or destroy by dropping a big ol’ river through the middle of them

      • FiniteBanjo@lemmy.today
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        4 months ago

        It’s not like the number of communities measuring a hundred miles wide are many. Also, believe it or not, the USA has bridge building technology. Shocking, I know.

        • meowMix2525@lemm.ee
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          4 months ago

          Luckily this entire swath of land is completely void of human and animal life and nobody will be emminent-domained out of their homes and livelihoods with little to no reward for doing so, and bridges are notoriously so much more permeable than plain flat land. I’m such a silly goose to not have thought of those things when I wrote that very serious comment about this very serious hypothetical 🥸