The paleo-rivers of the Sahara

The paleo-rivers of the Sahara

The Sahara desert presented ancient paleo-rivers that are currently buried and that according to researchers served humans as guidance in their migrations to the Mediterranean, more than 100,000 years ago. This study was published on September 11 in the newspaper PLOS ONE from the hand of Tom Coulthard, of the University of Hull, in Great Britain.

Through paleoclimate simulations, experts have found samples from three large rivers that existed in North Africa between 130,000 and 100,000 years ago, but are currently under the desert dunes. In their course, these rivers provided fertile vegetation and pasture for cattle, establishing a kind of green corridors in the region. At least one of these rivers was 100 kilometers long.

The Irharhar river to the west it could have served as a migration route in the region. In addition, experts estimate the existence of logos and wetlands in the northeast of present-day Libya, some of which reached 70,000 square km. "It is incredible to think that 100,000 years ago, there were great rivers in the middle of a desert 1,000 km towards the Mediterranean, and that our ancestors could have frequented them”Coulthard declares.

In previous studies, it has been stated that people traveled across the Sahara mountains to more fertile territories, but it is not known how or when. There is evidence of migrations across the desert following a route. The possibility of these green corridors that provided food and water resources was crucial for these events, although the river flow and its location are still unknown.

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