Biogeosciences
Biogeosciences
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Articles | Volume 21, issue 22
Articles | Volume 21, issue 22
https://doi.org/10.5194/bg-21-5261-2024
© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/bg-21-5261-2024
© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 21, issue 22
Research article
 | 
26 Nov 2024
Research article |  | 26 Nov 2024

The influence of zooplankton and oxygen on the particulate organic carbon flux in the Benguela Upwelling System

Luisa Chiara Meiritz, Tim Rixen, Anja Karin van der Plas, Tarron Lamont, and Niko Lahajnar

Data sets

Biogeochemical particle flux results of drifting sediment trap systems from the northern and southern Benguela Upwelling System between 2019 and 2021 Luisa Chiara Meiritz et al. https://doi.pangaea.de/10.1594/PANGAEA.968894

Biogeochemical particle flux results of moored sediment trap systems from two long term mooring positions in the northern and southern Benguela Upwelling System between 2009 and 2023 Luisa Chiara Meiritz et al. https://doi.pangaea.de/10.1594/PANGAEA.968901

NOAA NCEP EMC CMB GLOBAL Reyn_SmithOIv2 monthly sst: Sea Surface Temperature data, IRI/LDEO Climate Data Library http://iridl.ldeo.columbia.edu/SOURCES/.NOAA/.NCEP/.EMC/.CMB/.GLOBAL/.Reyn_SmithOIv2/.monthly/.sst/

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Short summary
Moored and drifting sediment trap experiments in the northern (nBUS) and southern (sBUS) Benguela Upwelling System showed that active carbon fluxes by vertically migrating zooplankton were about 3 times higher in the sBUS than in the nBUS. Despite these large variabilities, the mean passive particulate organic carbon (POC) fluxes were almost equal in the two subsystems. The more intense near-bottom oxygen minimum layer seems to lead to higher POC fluxes and accumulation rates in the nBUS.
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