this post was submitted on 15 Mar 2025
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source: https://decolonialatlas.wordpress.com/2017/04/18/colorful-river-basin-maps/

It has more detailed maps for each continent too.

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[–] takeheart@lemmy.world 4 points 19 hours ago (1 children)

Wikipedia says:

The Simpson Desert is an erg that contains the world's longest parallel sand dunes.

parallel dunes

I'm guessing this part of the map uses the actual surface topography, ie how precipitation would run off through the troughs of the dunes, rather than the underlying aquifer structure. Hmmm 🧐.

[–] alcoholicorn@lemmy.ml 1 points 18 hours ago (2 children)

Why do they all run straight for hundreds of miles? None of the other deserts are like that.

[–] takeheart@lemmy.world 2 points 9 hours ago

It's the predominant direction of the wind.

[–] kingofras@lemmy.world 3 points 18 hours ago

It’s just more efficient to manage. We got to do a lot with very little.