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The Abbassia Pluvial was an extended wet and rainy period in the climate history of North Africa. It began c. 120,000 years ago, lasted approximately 30,000 years, and ended c. 90,000 years ago. The Abbassia Pluvial spanned the end of the Lower Paleolithic and the start of the Middle Paleolithic eras, an interval that is also sometimes identified as the Achulean (250,000 to 90,000 years ago).[1] As with the subsequent Mousterian Pluvial, the Abbassia Pluvial was brought about by global climate changes that were associated with the ice ages and the interglacials of the Pleistocene Epoch.


Ecological impactEdit

As with the Mousterian Pluvial that followed (c. 50,000 to 30,000 years ago), the Abbassia Pluvial brought wet and fertile conditions to what is now the Sahara Desert, which bloomed with lush vegetation fed by lakes, swamps, and river systems, many of which later disappeared in the drier climate that followed the pluvial.

African wildlife that is now associated with the grasslands and woodlands south of the Sahara penetrated the entire North African region during the Abbassia Pluvial.


Stone Age cultures (notably the Mousterian and the Aterian[citation needed] Industries) flourished in Africa during the Abbassia Pluvial. The shift to harsher climate conditions that came with the end of the pluvial may have promoted the emigration of modern Homo sapiens out of Africa to the rest of the globe.

See alsoEdit


  1. ^ Authorities differ on datings for and duration of the Abbassia Pluvial and for the Lower and Middle Paleolithic. The division between the Lower and Middle Paleolithic is commonly set at c. 100,000 years ago.[citation needed]


  • Burroughs, William J., ed. Climate: Into the 21st Century. Cambridge, Cambridge University Press, 2003.
  • Wells, Spencer (2004). The Journey of Man : A Genetic Odyssey. New York, NY: Random House Trade Paperbacks. ISBN 978-0-8129-7146-0. 
  • WIlson, R. C. L., S. A. Drury, and J. L. Chapman. The Great Ice Age: Climate Change and Life. London, Routledge, 2000.