Jean-Louis Rajot Archives

A contrasting seasonality of wind erosivity and wind erosion between Central and Western SaheL

Wind erosion is a major phenomenon in the Sahel, and can affect soil fertility. Studies of Sahelian aeolian erosion or erosivity are scarce and have been mainly focused on the Central Sahel. Since February 2020, the number of saltating particles and the horizontal flux of aeolian sediment were monitored in Bambey (Senegal) in combination with […]

“F2ZC” Team, “Sols_ZC” Department, Caroline Pierre, Christelle Bouet, CNRS, Jean-Louis Rajot, Published!

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Paysage sahélien, région de Bambey, Sénégal, en septembre 2022

Persistence and success of the Sahel desertification narrative

When the Sahel is mentioned today, this semi-arid African region between the Sahara and Sudanian Africa is often associated with the notion of desertification. But what do the latest advances in environmental science tell us about this desertification? To what extent is the “narrative” of Sahel desertification based on scientific results, or on other mechanisms, of a more political nature?

“F2ZC” Team, “Sols_ZC” Department, Caroline Pierre, CNRS, Jean-Louis Rajot, Published!

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