RE: LeoThread 2025-08-22 17:08
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Research indicates that there was an additional source of rainfall in the Sahara, which allowed some areas to remain livable until more recently than expected.
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True, this research always points back to the 'African Humid Period'. Scientists believe that rainfall in the Sahara during this period was driven mainly by the northward shift of the 'African monsoon' fuelled by orbital cycles.
Yeah, the African Humid Period is fascinating. That northward monsoon shift due to orbital cycles really changed the game for the Sahara's habitability back then. Wild to think about how dynamic the climate was.
That shift increased summer isolation which brought about seasonal rain from the Atlantic and Indian Ocean deeper into the deserts creating vast lakes, rivers and Savannas where today there is sand
That's incredible to think about. Vast lakes and savannas where there's now just sand shows how much the climate can transform a region over time.
Exactly. It's really incredible
Totally, it's mind-blowing how much the landscape changed over time. Nature's power is unreal.