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...
Published in: | Nature Communications |
---|---|
Main Authors: | , , , , , , , , , , , |
Format: | Article in Journal/Newspaper |
Language: | English |
Published: |
Springer Science and Business Media LLC
2019
|
Subjects: | |
Online Access: | https://archimer.ifremer.fr/doc/00501/61310/64869.pdf https://archimer.ifremer.fr/doc/00501/61310/64870.pdf https://archimer.ifremer.fr/doc/00501/61310/64871.pdf https://doi.org/10.1038/s41467-019-09973-6 https://archimer.ifremer.fr/doc/00501/61310/ |
id |
ftarchimer:oai:archimer.ifremer.fr:61310 |
---|---|
record_format |
openpolar |
spelling |
ftarchimer:oai:archimer.ifremer.fr:61310 2023-05-15T13:47:36+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 2019-06 application/pdf https://archimer.ifremer.fr/doc/00501/61310/64869.pdf https://archimer.ifremer.fr/doc/00501/61310/64870.pdf https://archimer.ifremer.fr/doc/00501/61310/64871.pdf https://doi.org/10.1038/s41467-019-09973-6 https://archimer.ifremer.fr/doc/00501/61310/ eng eng Springer Science and Business Media LLC info:eu-repo/grantAgreement/EC/H2020/746748/EU//CAP-ICE info:eu-repo/grantAgreement/EC/H2020/637770/EU//WAPITI https://archimer.ifremer.fr/doc/00501/61310/64869.pdf https://archimer.ifremer.fr/doc/00501/61310/64870.pdf https://archimer.ifremer.fr/doc/00501/61310/64871.pdf doi:10.1038/s41467-019-09973-6 https://archimer.ifremer.fr/doc/00501/61310/ info:eu-repo/semantics/openAccess restricted use Nature Communications (2041-1723) (Springer Science and Business Media LLC), 2019-06 , Vol. 10 , N. 1 , P. 2451 (8p.) text Publication info:eu-repo/semantics/article 2019 ftarchimer https://doi.org/10.1038/s41467-019-09973-6 2021-09-23T20:32:57Z 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 flow-topography 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 Archimer (Archive Institutionnelle de l'Ifremer - Institut français de recherche pour l'exploitation de la mer) Antarctic Indian Southern Ocean The Antarctic Nature Communications 10 1 |
institution |
Open Polar |
collection |
Archimer (Archive Institutionnelle de l'Ifremer - Institut français de recherche pour l'exploitation de la mer) |
op_collection_id |
ftarchimer |
language |
English |
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 flow-topography 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 |
publisher |
Springer Science and Business Media LLC |
publishDate |
2019 |
url |
https://archimer.ifremer.fr/doc/00501/61310/64869.pdf https://archimer.ifremer.fr/doc/00501/61310/64870.pdf https://archimer.ifremer.fr/doc/00501/61310/64871.pdf https://doi.org/10.1038/s41467-019-09973-6 https://archimer.ifremer.fr/doc/00501/61310/ |
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 |
Nature Communications (2041-1723) (Springer Science and Business Media LLC), 2019-06 , Vol. 10 , N. 1 , P. 2451 (8p.) |
op_relation |
info:eu-repo/grantAgreement/EC/H2020/746748/EU//CAP-ICE info:eu-repo/grantAgreement/EC/H2020/637770/EU//WAPITI https://archimer.ifremer.fr/doc/00501/61310/64869.pdf https://archimer.ifremer.fr/doc/00501/61310/64870.pdf https://archimer.ifremer.fr/doc/00501/61310/64871.pdf doi:10.1038/s41467-019-09973-6 https://archimer.ifremer.fr/doc/00501/61310/ |
op_rights |
info:eu-repo/semantics/openAccess restricted use |
op_doi |
https://doi.org/10.1038/s41467-019-09973-6 |
container_title |
Nature Communications |
container_volume |
10 |
container_issue |
1 |
_version_ |
1766247511762141184 |