Articles | Volume 17, issue 3
Clim. Past, 17, 1025–1050, 2021
https://doi.org/10.5194/cp-17-1025-2021
Clim. Past, 17, 1025–1050, 2021
https://doi.org/10.5194/cp-17-1025-2021

Research article 12 May 2021

Research article | 12 May 2021

Deoxygenation dynamics on the western Nile deep-sea fan during sapropel S1 from seasonal to millennial timescales

Cécile L. Blanchet et al.

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AR: Author's response | RR: Referee report | ED: Editor decision
ED: Reconsider after major revisions (01 Jan 2021) by Marit-Solveig Seidenkrantz
AR by Cecile Blanchet on behalf of the Authors (12 Mar 2021)  Author's response    Manuscript
ED: Publish subject to technical corrections (12 Mar 2021) by Marit-Solveig Seidenkrantz
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Short summary
The Mediterranean Sea turned repeatedly into an oxygen-deprived basin during the geological past, as evidenced by distinct sediment layers called sapropels. We use here records of the last sapropel S1 retrieved in front of the Nile River to explore the relationships between riverine input and seawater oxygenation. We decipher the seasonal cycle of fluvial input and seawater chemistry as well as the decisive influence of primary productivity on deoxygenation at millennial timescales.