Sahara pump theory

proper noun

A hypothesis that explains the manner in which flora and fauna migrated between Eurasia and Africa using a land bridge in the Levant region, based on the idea that there were periods of abundant rainfall lasting thousands of years in Africa and associated with a "wet-green Sahara" phase, during which larger lakes and more rivers existed.

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Meanings

proper nounthe Sahara pump theory
  1. biologyA hypothesis that explains the manner in which flora and fauna migrated between Eurasia and Africa using a land bridge in the Levant region, based on the idea that there were periods of abundant rainfall lasting thousands of years in Africa and associated with a "wet-green Sahara" phase, during which larger lakes and more rivers existed.
Cite this entry
APA

Sahara pump theory. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/Sahara%20pump%20theory

MLA

“Sahara pump theory.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/Sahara%20pump%20theory. Accessed November 5, 2026.

Chicago

WatkinsX Dictionary, s.v. “Sahara pump theory,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/Sahara%20pump%20theory.

Source: Sahara pump theory on Wiktionary, CC BY-SA 4.0.