Hydrothermal vents trigger massive phytoplankton blooms in the Southern Ocean
Hydrothermal activity is significant in regulating the dynamics of trace elements in the ocean. Biogeochemical models suggest that hydrothermal iron might play an important role in the iron-depleted Southern Ocean by enhancing the biological pump. However, the ability of this mechanism to affect lar...
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Online Access: | https://epic.awi.de/id/eprint/49996/ https://epic.awi.de/id/eprint/49996/1/Ardyna_etal_Nature_Comm_2019.pdf https://doi.org/10.1038/s41467-019-09973-6 https://hdl.handle.net/10013/epic.bcb9da34-fb44-4683-8777-ae77e3f03f62 https://hdl.handle.net/ |
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ftawi:oai:epic.awi.de:49996 2023-05-15T13:45:21+02:00 Hydrothermal vents trigger massive phytoplankton blooms in the Southern Ocean Ardyna, Mathieu Lacour, Léo Sergi, Sara d’Ovidio, Francesco Sallée, Jean-Baptiste Rembauville, Mathieu Blain, Stéphane Tagliabue, Alessandro Schlitzer, Reiner Jeandel, Catherine Arrigo, Kevin Robert Claustre, Hervé 2019 application/pdf https://epic.awi.de/id/eprint/49996/ https://epic.awi.de/id/eprint/49996/1/Ardyna_etal_Nature_Comm_2019.pdf https://doi.org/10.1038/s41467-019-09973-6 https://hdl.handle.net/10013/epic.bcb9da34-fb44-4683-8777-ae77e3f03f62 https://hdl.handle.net/ unknown https://epic.awi.de/id/eprint/49996/1/Ardyna_etal_Nature_Comm_2019.pdf https://hdl.handle.net/ Ardyna, M. , Lacour, L. , Sergi, S. , d’Ovidio, F. , Sallée, J. B. , Rembauville, M. , Blain, S. , Tagliabue, A. , Schlitzer, R. , Jeandel, C. , Arrigo, K. R. and Claustre, H. (2019) Hydrothermal vents trigger massive phytoplankton blooms in the Southern Ocean , Nature Communications, 10 (1) . doi:10.1038/s41467-019-09973-6 <https://doi.org/10.1038/s41467-019-09973-6> , hdl:10013/epic.bcb9da34-fb44-4683-8777-ae77e3f03f62 EPIC3Nature Communications, 10(1), ISSN: 2041-1723 Article isiRev 2019 ftawi https://doi.org/10.1038/s41467-019-09973-6 2021-12-24T15:44:50Z Hydrothermal activity is significant in regulating the dynamics of trace elements in the ocean. Biogeochemical models suggest that hydrothermal iron might play an important role in the iron-depleted Southern Ocean by enhancing the biological pump. However, the ability of this mechanism to affect large-scale biogeochemistry and the pathways by which hydrothermal iron reach the surface layer have not been observationally constrained. Here we present the first observational evidence of upwelled hydrothermally influenced deep waters stimulating massive phytoplankton blooms in the Southern Ocean. Captured by profiling floats, two blooms were observed in the vicinity of the Antarctic Circumpolar Current, downstream of active hydrothermal vents along the Southwest Indian Ridge. These hotspots of biological activity are supported by mixing of hydrothermally sourced iron stimulated by flowtopography interactions. Such findings reveal the important role of hydrothermal vents on surface biogeochemistry, potentially fueling local hotspot sinks for atmospheric CO2 by enhancing the biological pump. Article in Journal/Newspaper Antarc* Antarctic Southern Ocean Alfred Wegener Institute for Polar- and Marine Research (AWI): ePIC (electronic Publication Information Center) Antarctic Indian Southern Ocean The Antarctic Nature Communications 10 1 |
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Alfred Wegener Institute for Polar- and Marine Research (AWI): ePIC (electronic Publication Information Center) |
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ftawi |
language |
unknown |
description |
Hydrothermal activity is significant in regulating the dynamics of trace elements in the ocean. Biogeochemical models suggest that hydrothermal iron might play an important role in the iron-depleted Southern Ocean by enhancing the biological pump. However, the ability of this mechanism to affect large-scale biogeochemistry and the pathways by which hydrothermal iron reach the surface layer have not been observationally constrained. Here we present the first observational evidence of upwelled hydrothermally influenced deep waters stimulating massive phytoplankton blooms in the Southern Ocean. Captured by profiling floats, two blooms were observed in the vicinity of the Antarctic Circumpolar Current, downstream of active hydrothermal vents along the Southwest Indian Ridge. These hotspots of biological activity are supported by mixing of hydrothermally sourced iron stimulated by flowtopography interactions. Such findings reveal the important role of hydrothermal vents on surface biogeochemistry, potentially fueling local hotspot sinks for atmospheric CO2 by enhancing the biological pump. |
format |
Article in Journal/Newspaper |
author |
Ardyna, Mathieu Lacour, Léo Sergi, Sara d’Ovidio, Francesco Sallée, Jean-Baptiste Rembauville, Mathieu Blain, Stéphane Tagliabue, Alessandro Schlitzer, Reiner Jeandel, Catherine Arrigo, Kevin Robert Claustre, Hervé |
spellingShingle |
Ardyna, Mathieu Lacour, Léo Sergi, Sara d’Ovidio, Francesco Sallée, Jean-Baptiste Rembauville, Mathieu Blain, Stéphane Tagliabue, Alessandro Schlitzer, Reiner Jeandel, Catherine Arrigo, Kevin Robert Claustre, Hervé Hydrothermal vents trigger massive phytoplankton blooms in the Southern Ocean |
author_facet |
Ardyna, Mathieu Lacour, Léo Sergi, Sara d’Ovidio, Francesco Sallée, Jean-Baptiste Rembauville, Mathieu Blain, Stéphane Tagliabue, Alessandro Schlitzer, Reiner Jeandel, Catherine Arrigo, Kevin Robert Claustre, Hervé |
author_sort |
Ardyna, Mathieu |
title |
Hydrothermal vents trigger massive phytoplankton blooms in the Southern Ocean |
title_short |
Hydrothermal vents trigger massive phytoplankton blooms in the Southern Ocean |
title_full |
Hydrothermal vents trigger massive phytoplankton blooms in the Southern Ocean |
title_fullStr |
Hydrothermal vents trigger massive phytoplankton blooms in the Southern Ocean |
title_full_unstemmed |
Hydrothermal vents trigger massive phytoplankton blooms in the Southern Ocean |
title_sort |
hydrothermal vents trigger massive phytoplankton blooms in the southern ocean |
publishDate |
2019 |
url |
https://epic.awi.de/id/eprint/49996/ https://epic.awi.de/id/eprint/49996/1/Ardyna_etal_Nature_Comm_2019.pdf https://doi.org/10.1038/s41467-019-09973-6 https://hdl.handle.net/10013/epic.bcb9da34-fb44-4683-8777-ae77e3f03f62 https://hdl.handle.net/ |
geographic |
Antarctic Indian Southern Ocean The Antarctic |
geographic_facet |
Antarctic Indian Southern Ocean The Antarctic |
genre |
Antarc* Antarctic Southern Ocean |
genre_facet |
Antarc* Antarctic Southern Ocean |
op_source |
EPIC3Nature Communications, 10(1), ISSN: 2041-1723 |
op_relation |
https://epic.awi.de/id/eprint/49996/1/Ardyna_etal_Nature_Comm_2019.pdf https://hdl.handle.net/ Ardyna, M. , Lacour, L. , Sergi, S. , d’Ovidio, F. , Sallée, J. B. , Rembauville, M. , Blain, S. , Tagliabue, A. , Schlitzer, R. , Jeandel, C. , Arrigo, K. R. and Claustre, H. (2019) Hydrothermal vents trigger massive phytoplankton blooms in the Southern Ocean , Nature Communications, 10 (1) . doi:10.1038/s41467-019-09973-6 <https://doi.org/10.1038/s41467-019-09973-6> , hdl:10013/epic.bcb9da34-fb44-4683-8777-ae77e3f03f62 |
op_doi |
https://doi.org/10.1038/s41467-019-09973-6 |
container_title |
Nature Communications |
container_volume |
10 |
container_issue |
1 |
_version_ |
1766221722183270400 |