Whose geology first explained the formation of the Sahara as part of shifting climate zones?
Quick Answer
The modern understanding comes from many scientists, but the Sahara’s changing climate was strongly shaped by work in paleoclimatology and Earth-system science. It is now known that the region was much greener during past “African Humid Periods.”
The Full Story
No single scientist discovered the Sahara’s climate history, but modern paleoclimate research has shown that the desert was not always as dry as it is today. During the African Humid Periods, especially between about 11,000 and 5,000 years ago, monsoon rainfall made much of the region far greener. Evidence comes from lake sediments, fossils, pollen and ancient rock art. This research has transformed our understanding of deserts as landscapes that can change dramatically with climate.
Key Facts
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Suggested video title for this topic:
"The Sahara was once a land of lakes, grass and rivers."
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