Articles | Volume 15, issue 9
https://doi.org/10.5194/bg-15-2961-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/bg-15-2961-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
16 May 2018
Research article |
| 16 May 2018
| 16 May 2018
Nutrient availability and the ultimate control of the biological carbon pump in the western tropical South Pacific Ocean
Thierry Moutin
CORRESPONDING AUTHOR
Aix Marseille Univ., CNRS, Université de Toulon, IRD,
OSU Pythéas, Mediterranean Institute of Oceanography (MIO), UM 110,
13288, Marseille, France
Thibaut Wagener
Aix Marseille Univ., CNRS, Université de Toulon, IRD,
OSU Pythéas, Mediterranean Institute of Oceanography (MIO), UM 110,
13288, Marseille, France
Mathieu Caffin
Aix Marseille Univ., CNRS, Université de Toulon, IRD,
OSU Pythéas, Mediterranean Institute of Oceanography (MIO), UM 110,
13288, Marseille, France
Alain Fumenia
Aix Marseille Univ., CNRS, Université de Toulon, IRD,
OSU Pythéas, Mediterranean Institute of Oceanography (MIO), UM 110,
13288, Marseille, France
Audrey Gimenez
Aix Marseille Univ., CNRS, Université de Toulon, IRD,
OSU Pythéas, Mediterranean Institute of Oceanography (MIO), UM 110,
13288, Marseille, France
Melika Baklouti
Aix Marseille Univ., CNRS, Université de Toulon, IRD,
OSU Pythéas, Mediterranean Institute of Oceanography (MIO), UM 110,
13288, Marseille, France
Pascale Bouruet-Aubertot
Sorbonne Universités – UPMC Univ. Paris 06 – LOCEAN, BP100, 4
place Jussieu, 75252 Paris CEDEX 05, France
Mireille Pujo-Pay
Laboratoire d'Océanographie Microbienne – UMR 7321, CNRS –
Sorbonne Universités, UPMC Univ Paris 06, Observatoire
Océanologique, 66650 Banyuls-sur-mer, France
Karine Leblanc
Aix Marseille Univ., CNRS, Université de Toulon, IRD,
OSU Pythéas, Mediterranean Institute of Oceanography (MIO), UM 110,
13288, Marseille, France
Dominique Lefevre
Aix Marseille Univ., CNRS, Université de Toulon, IRD,
OSU Pythéas, Mediterranean Institute of Oceanography (MIO), UM 110,
13288, Marseille, France
Sandra Helias Nunige
Aix Marseille Univ., CNRS, Université de Toulon, IRD,
OSU Pythéas, Mediterranean Institute of Oceanography (MIO), UM 110,
13288, Marseille, France
Nathalie Leblond
Observatoire Océanologique de Villefranche, Laboratoire
d'Océanographie de Villefranche, UMR 7093, Villefranche-sur-mer, France
Olivier Grosso
Aix Marseille Univ., CNRS, Université de Toulon, IRD,
OSU Pythéas, Mediterranean Institute of Oceanography (MIO), UM 110,
13288, Marseille, France
Alain de Verneil
Aix Marseille Univ., CNRS, Université de Toulon, IRD,
OSU Pythéas, Mediterranean Institute of Oceanography (MIO), UM 110,
13288, Marseille, France
The Center for Prototype Climate Modeling, New York University in Abu Dhabi, Abu Dhabi, UAE
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Latest update: 23 Dec 2024
Short summary
Surface waters of the western tropical South Pacific were sampled along a longitudinal 4000 km transect during the stratified period between the Melanesian Archipelago and the western part of the South Pacific gyre. We found a significant biological carbon pump sustained almost exclusively by N2 fixation and essentially controlled by phosphate availability in the iron-rich Melanesian Archipelago waters which appears to be a net sink for atmospheric CO2 while the gyre is in a quasi-steady state.
Surface waters of the western tropical South Pacific were sampled along a longitudinal 4000 km...
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