Articles | Volume 12, issue 14
https://doi.org/10.5194/bg-12-4421-2015
© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.
the Creative Commons Attribution 3.0 License.
Special issue:
https://doi.org/10.5194/bg-12-4421-2015
© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.
the Creative Commons Attribution 3.0 License.
Research article
| 
29 Jul 2015
Research article |
| 29 Jul 2015
Iron budgets for three distinct biogeochemical sites around the Kerguelen Archipelago (Southern Ocean) during the natural fertilisation study, KEOPS-2
Antarctic Climate and Ecosystems Cooperative Research Centre (ACE CRC), Private Bag 80, Hobart, Tasmania 7001, Australia
Institute for Marine and Antarctic Studies (IMAS), University of Tasmania, Private Bag 129, Hobart, Tasmania 7001, Australia
Laboratoire des Sciences de l'Environnement Marin (LEMAR), UMR6539 UBO/CNRS/IRD/IFREMER, Institut Universitaire Européen de la Mer (IUEM), Technopole Brest Iroise, 29280 Plouzané, France
P. van der Merwe
Antarctic Climate and Ecosystems Cooperative Research Centre (ACE CRC), Private Bag 80, Hobart, Tasmania 7001, Australia
F. Quéroué
Antarctic Climate and Ecosystems Cooperative Research Centre (ACE CRC), Private Bag 80, Hobart, Tasmania 7001, Australia
Institute for Marine and Antarctic Studies (IMAS), University of Tasmania, Private Bag 129, Hobart, Tasmania 7001, Australia
Laboratoire des Sciences de l'Environnement Marin (LEMAR), UMR6539 UBO/CNRS/IRD/IFREMER, Institut Universitaire Européen de la Mer (IUEM), Technopole Brest Iroise, 29280 Plouzané, France
T. Trull
Antarctic Climate and Ecosystems Cooperative Research Centre (ACE CRC), Private Bag 80, Hobart, Tasmania 7001, Australia
CSIRO Marine and Atmospheric Research, Castray Esplanade, Hobart, Tasmania 7000, Australia
M. Fourquez
Institute for Marine and Antarctic Studies (IMAS), University of Tasmania, Private Bag 129, Hobart, Tasmania 7001, Australia
Université Pierre et Marie Curie, Laboratoire d'Océanographie Microbienne (LOMIC), UMR 7621 CNRS UPMC, Avenue du Fontaulé, 66650 Banyuls sur mer, France
F. Planchon
Laboratoire des Sciences de l'Environnement Marin (LEMAR), UMR6539 UBO/CNRS/IRD/IFREMER, Institut Universitaire Européen de la Mer (IUEM), Technopole Brest Iroise, 29280 Plouzané, France
G. Sarthou
Laboratoire des Sciences de l'Environnement Marin (LEMAR), UMR6539 UBO/CNRS/IRD/IFREMER, Institut Universitaire Européen de la Mer (IUEM), Technopole Brest Iroise, 29280 Plouzané, France
F. Chever
Laboratoire des Sciences de l'Environnement Marin (LEMAR), UMR6539 UBO/CNRS/IRD/IFREMER, Institut Universitaire Européen de la Mer (IUEM), Technopole Brest Iroise, 29280 Plouzané, France
now at: National Oceanography Centre, University of Southampton Waterfront Campus, European Way, Southampton SO14 3ZH, UK
A. T. Townsend
Central Science Laboratory (CSL), University of Tasmania, Private Bag 74, Hobart, Tasmania 7001, Australia
I. Obernosterer
Université Pierre et Marie Curie, Laboratoire d'Océanographie Microbienne (LOMIC), UMR 7621 CNRS UPMC, Avenue du Fontaulé, 66650 Banyuls sur mer, France
J.-B. Sallée
Sorbonne Universités, UPMC Univ., Paris 06, UMR 7159, LOCEAN-IPSL, 75005 Paris, France
CNRS, UMR 7159, LOCEAN-IPSL, 75005 Paris, France
British Antarctic Survey, High Cross, Cambridge CB3 0ET, UK
S. Blain
Université Pierre et Marie Curie, Laboratoire d'Océanographie Microbienne (LOMIC), UMR 7621 CNRS UPMC, Avenue du Fontaulé, 66650 Banyuls sur mer, France
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Short summary
Iron biogeochemical budgets during the natural ocean fertilisation experiment KEOPS-2 showed that complex circulation and transport pathways were responsible for differences in the mode and strength of iron supply, with vertical supply dominant on the plateau and lateral supply dominant in the plume. The exchange of iron between dissolved, biogenic and lithogenic pools was highly dynamic, resulting in a decoupling of iron supply and carbon export and controlling the efficiency of fertilization.
Iron biogeochemical budgets during the natural ocean fertilisation experiment KEOPS-2 showed...
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