Articles | Volume 17, issue 7
https://doi.org/10.5194/bg-17-1933-2020
https://doi.org/10.5194/bg-17-1933-2020
Research article
 | 
09 Apr 2020
Research article |  | 09 Apr 2020

Benthic foraminifera as tracers of brine production in the Storfjorden “sea ice factory”

Eleonora Fossile, Maria Pia Nardelli, Arbia Jouini, Bruno Lansard, Antonio Pusceddu, Davide Moccia, Elisabeth Michel, Olivier Péron, Hélène Howa, and Meryem Mojtahid

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Latest update: 23 Feb 2024
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Short summary
This study focuses on benthic foraminiferal distribution in an Arctic fjord characterised by continuous sea ice production during winter and the consequent cascading of salty and corrosive waters (brine) to the seabed. The inner fjord is dominated by calcareous species (C). In the central deep basins, where brines are persistent, calcareous foraminifera are dissolved and agglutinated (A) dominate. The high A/C ratio is suggested as a proxy for brine persistence and sea ice production.
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