Draining the Mediterranean.

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  • Draining the Mediterranean.
  • Premier Icon martinhutch
    Subscriber

    Google ‘Atlantropa’

    Was a real albeit somewhat far-fetched proposal, would not have meant complete draining of the Med.

    How would they do this?

    gwaelod
    Member

    dam at the straits of gibralter and then let the sun do the rest

    Premier Icon richmtb
    Subscriber

    You would block off the Straits of Gibraltar and wait.

    Without an inflow from the Atlantic the Mediterranean would naturally dry up or a good chunk of it anyway

    Premier Icon zippykona
    Subscriber

    Google ‘Atlantropa

    That’s interesting , sounds like a good idea.
    Of course these days we would want the make Africa further away from Europe rather than nearer.
    I shall seek further reading.

    Klunk
    Member

    where would essex go for it’s hols?

    km79
    Member

    That’s interesting , sounds like a good idea.

    Interesting yes, nothing about it seems like it would be a good idea though.

    Stevet1
    Member

    where would essex go for it’s hols?

    Same place, just more room for towels on the beach.

    Edukator
    Member

    The Mediterranean evaporite deposits demonstrate that the Med was cut off from the Atlantic and at least partly dried out in the past.

    will rivers stop flowing into the med to top it up..

    it’d take along time to dryout,

    gwaelod
    Member

    If you dam it at Gibralter. Rivers wont stop flowing into it, but rate of evaporation exceeds the rate of inflow from rivers.

    Premier Icon zippykona
    Subscriber

    Having seem The Man In The High Castle and now reading the book they mention this.
    Why would they do this? How would they do this?
    What happens to the Nile?
    How high does the sea level in the rest of the world rise?
    Surely they are losing a huge source of food in the sea.
    The land wouldn’t be needed as they now have all of Africa for the master race to live in.
    I know it’s just a book and the story has some huge holes in it so I’m just wondering why someone would even think of this.

    Premier Icon aracer
    Subscriber

    A quick google suggests the mean inflow is 0.038*10^6 m³/s, so ~1.2*10^12 m³ every year. The surface area of the med is ~2.5*10^6 km² or ~2.5*10^12 m².

    So if the straits were dammed the level would drop about 48cm a year by my back of a fag packet calcs. It would take a while to empty.

    Premier Icon jam bo
    Subscriber

    It would take a while to empty.

    anthropologically, yes.

    geologically, that’s the blink of an eye…

    Edukator
    Member

    It wouldn’t empty, it would fall to a level where rivver inputs equaled evaporation from the reduced surface area.

    gwaelod
    Member

    perhaps worth damming Straits of Gib anyway to offset sea level rise flooding mediterranean cities.

    https://link.springer.com/content/pdf/10.1007/s11069-015-1821-8.pdf

    Premier Icon nickjb
    Subscriber

    Could we divert the Med to the Red Sea (and block the Suez Canal)? That’ll cut out a fair bit of inflow and shouldn’t be too tricky

    Premier Icon howsyourdad1
    Subscriber

    Fascinating stuff cheers

    Premier Icon martinhutch
    Subscriber

    Apparently a dam could mean better biking weather for us rather than early arrival of the next ice age.

    http://onlinelibrary.wiley.com/doi/10.1029/97EO00180/pdf

    Not sure how this holds with more recent climate projections…

    Premier Icon jam bo
    Subscriber

    nickjb wrote:

    Could we divert the Med to the Red Sea (and block the Suez Canal)? That’ll cut out a fair bit of inflow and shouldn’t be too tricky

    the only link to the red sea is the suez canal?

    Premier Icon nickjb
    Subscriber

    Sorry, that should’ve read divert the Nile to the Red Sea.
    Although it has got me thinking. Could we divert some of the inflow from eastern end of the Med out through the Red Sea, too, via Suez? That seems a lot harder but maybe some scope for some hydro

    Junkyard
    Member

    Edukator wrote:

    It wouldn’t empty, it would fall to a level where rivver inputs equaled evaporation from the reduced surface area.

    apparently this thread does need the actual facts 😉

    alpin
    Member

    Isn’t this kinda happening already? Africa is moving towards Europe/Iberian peninsula. At some point it will collide with Gibraltar.

    What would the effect be on low lying areas of Europe (and the world)? All that extra water has to go somewhere… By how much would the draining/evaporation of the Med raise sea levels outside of the Med?

    Would we not be left with a gigantic Dead(-Med) Sea? The rivers bring in minerals that don’t evaporate making the water mass more salty over time.

    Premier Icon geoffj
    Subscriber

    Strait (not Straits) of Gibralter – there is only one.
    👿

    alpin
    Member

    You get upset about Straits? At least the fecker knew how to spell it and didn’t use straights….

    Where we’re you on the “Their/there/they’re”, “none vs non”, “should have vs should of” or even the “less vs fewer” threads?

    Premier Icon martinhutch
    Subscriber

    Strait (not Straits) of Gibralter Gibraltar

    Oh dear. You are in dire straits with that post.

    Premier Icon slowoldman
    Subscriber

    So some people are talking about draining the ocean?

    km79
    Member

    No, that would be daft. Just the sea.

    Premier Icon coolhandluke
    Subscriber

    All the fish would have to congregate in a tiny stretch of water, fishing would be dead easy.

    Premier Icon aracer
    Subscriber

    A long walk to get to your fishing boat though

    Premier Icon Northwind
    Subscriber

    So we’ll get Donald Trump to do it once he finishes draining the swamp, right?

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