Articles | Volume 18, issue 24
https://doi.org/10.5194/bg-18-6435-2021
https://doi.org/10.5194/bg-18-6435-2021
Research article
 | 
15 Dec 2021
Research article |  | 15 Dec 2021

Subsurface iron accumulation and rapid aluminum removal in the Mediterranean following African dust deposition

Matthieu Bressac, Thibaut Wagener, Nathalie Leblond, Antonio Tovar-Sánchez, Céline Ridame, Vincent Taillandier, Samuel Albani, Sophie Guasco, Aurélie Dufour, Stéphanie H. M. Jacquet, François Dulac, Karine Desboeufs, and Cécile Guieu

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Latest update: 23 Feb 2024
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Short summary
Phytoplankton growth is limited by the availability of iron in about 50 % of the ocean. Atmospheric deposition of desert dust represents a key source of iron. Here, we present direct observations of dust deposition in the Mediterranean Sea. A key finding is that the input of iron from dust primarily occurred in the deep ocean, while previous studies mainly focused on the ocean surface. This new insight will enable us to better represent controls on global marine productivity in models.
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