Articles | Volume 18, issue 8
Biogeosciences, 18, 2663–2678, 2021
https://doi.org/10.5194/bg-18-2663-2021

Special issue: Atmospheric deposition in the low-nutrient-low-chlorophyll...

Biogeosciences, 18, 2663–2678, 2021
https://doi.org/10.5194/bg-18-2663-2021

Research article 27 Apr 2021

Research article | 27 Apr 2021

Contrasted release of insoluble elements (Fe, Al, rare earth elements, Th, Pa) after dust deposition in seawater: a tank experiment approach

Matthieu Roy-Barman et al.

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PEACETIME ProcEss studies at the Air-sEa Interface after dust deposition in the MEditerranean sea C. Guieu et al. http://www.obs-vlfr.fr/proof/php/PEACETIME/peacetime.php

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Short summary
The release of insoluble elements such as aluminum (Al), iron (Fe), rare earth elements (REEs), thorium (Th) and protactinium (Pa) when Saharan dust falls over the Mediterranean Sea was studied during tank experiments under present and future climate conditions. Each element exhibited different dissolution kinetics and dissolution fractions (always lower than a few percent). Changes in temperature and/or pH under greenhouse conditions lead to a lower Th release and a higher light REE release.
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