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Biogeosciences An interactive open-access journal of the European Geosciences Union
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BG | Volume 16, issue 8
Biogeosciences, 16, 1673-1673, 2019
https://doi.org/10.5194/bg-16-1673-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.

Special issue: Interactions between planktonic organisms and biogeochemical...

Biogeosciences, 16, 1673-1673, 2019
https://doi.org/10.5194/bg-16-1673-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.

Research article 24 Apr 2019

Research article | 24 Apr 2019

Introduction: OUTPACE – Oligotrophy to Ultraoligotrophy PACific Experiment

Introduction: OUTPACE
Thierry Moutin Thierry Moutin
  • Mediterranean Institute of Oceanography (MIO), Aix Marseille Université, CNRS, Université de Toulon, IRD, OSU Pythéas, UM 110, 13288, Marseille, France

“Le monde aurait pu être simple comme le ciel et la mer” – André Malraux

https://www.biogeosciences.net/16/1673/2019/bg-16-1673-2019-f01

Figure 1The OUTPACE team preparing the OUTPACE cruise.

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https://www.biogeosciences.net/16/1673/2019/bg-16-1673-2019-f02

Figure 2Major C fluxes of the biological carbon pump and main role of N2 fixation. DIC: dissolved inorganic C; POC: particulate organic C; DOC: dissolved organic C.

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Biogeochemistry is a multidisciplinary natural science linking biological, geological, chemical, and physical sciences. Its purpose is to describe and understand the cycles of the elements on a large spatial scale. The study of the carbon cycle has become central in biogeochemistry due to the major role of atmospheric carbon dioxide in global warming. Understanding the cycles of the elements (N, P, Si, Fe), which control the production of organic carbon in the ocean's surface and subsequently its export to the deep ocean (i.e. the biological carbon pump), has become crucial as the Ocean controls atmospheric carbon dioxide for time scales of and above the decadal timescale.

I hope that this study, in the western tropical South Pacific, will be of interest to you.

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