this post was submitted on 29 Sep 2025
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History Memes

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[–] SapphironZA@sh.itjust.works 38 points 6 days ago (2 children)

Give me a map of water systems and I will give you sensible borders.

[–] porksnort@slrpnk.net 17 points 6 days ago

I love this image. The choice of coloring schemes and the fractal nature of the patterns is mesmerizing.

[–] blarghly@lemmy.world 7 points 6 days ago (1 children)

So do all the watersheds that don't go to the seas just end in salten lakes?

Also, what's up with the areas with parallel lines? Open desert?

[–] SapphironZA@sh.itjust.works 10 points 6 days ago (1 children)

The parallel lines are likely flood plains. I.e the water just spreads across open ground.

[–] captainlezbian@lemmy.world 3 points 6 days ago (1 children)

They're in Yemen so I doubt the flooding happens much

[–] SapphironZA@sh.itjust.works 4 points 6 days ago* (last edited 6 days ago)

Flood plains don't need water to be flood plains. Its more of a topological feature.

Also, Yemen does seem to have serious flash floods every few years 2025, 2024, 2020 and 2008 had big floods.