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Q&A

What would happen to the climate if Earth's sea-levels rose 2000m?

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This is the first of possibly several posts about the following scenario, in which Earth's sea-level rises 2 km overnight, generating a world map looking like this:

enter image description here

Question: What would be the climate after 30 years?

Would temperatures (and ice-sheets) rise, fall, or be redistributed somehow? What would trade winds and ocean currents be like: are there areas where the surviving landmasses are significant enough to generate gyres? I imagine storms will become more powerful, but when and where will they be concentrated?

  • I'm specifically interested in the area around the west of the main Tibetan landmass and the islands which used to be Iran.

  • There is some potentially helpful info here, though it addresses fully ocean planets and the results are inconclusive.

  • I'm a humanities student, please try to avoid jargon if possible.

  • I do not have set ideas about the average temperature or salinity of the new water, so please feel free to either assume that this is the same as that already present on Earth (average 5 degrees centigrade).

  • Don't worry about how the water arrives on Earth; this takes place through a non-scientific process. Simply assume that it happened, and 30 years later, what are the consequences?

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This post was sourced from https://worldbuilding.stackexchange.com/q/124542. It is licensed under CC BY-SA 4.0.

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