The Northeast Atlantic is running out of excess carbonate in the horizon of cold-water corals communities
International audience The oceanic uptake of atmospheric carbon dioxide (CO2) emitted by human activities alters the seawater carbonate system. Here, the chemical status of the Northeast Atlantic is examined by means of a high-quality database of carbon variables based on the GO-SHIP A25 section (19...
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ftunivbrest:oai:HAL:hal-04203207v1 2024-04-14T08:16:25+00:00 The Northeast Atlantic is running out of excess carbonate in the horizon of cold-water corals communities Fontela, Marcos Perez, Fiz F Carracedo, Lidia Padín, Xosé A. Velo, Antón García-Ibañez, Maribel I. Lherminier, Pascale Laboratoire d'Océanographie Physique et Spatiale (LOPS) Institut de Recherche pour le Développement (IRD)-Institut Français de Recherche pour l'Exploitation de la Mer (IFREMER)-Institut national des sciences de l'Univers (INSU - CNRS)-Université de Brest (UBO)-Centre National de la Recherche Scientifique (CNRS) 2020-09 https://hal.science/hal-04203207 https://hal.science/hal-04203207/document https://hal.science/hal-04203207/file/s41598-020-71793-2.pdf https://doi.org/10.1038/s41598-020-71793-2 en eng HAL CCSD Nature Publishing Group info:eu-repo/semantics/altIdentifier/doi/10.1038/s41598-020-71793-2 hal-04203207 https://hal.science/hal-04203207 https://hal.science/hal-04203207/document https://hal.science/hal-04203207/file/s41598-020-71793-2.pdf doi:10.1038/s41598-020-71793-2 http://creativecommons.org/licenses/by/ info:eu-repo/semantics/OpenAccess ISSN: 2045-2322 EISSN: 2045-2322 Scientific Reports https://hal.science/hal-04203207 Scientific Reports, 2020, 10 (1), 14174 (10p.). ⟨10.1038/s41598-020-71793-2⟩ [SDU]Sciences of the Universe [physics] info:eu-repo/semantics/article Journal articles 2020 ftunivbrest https://doi.org/10.1038/s41598-020-71793-2 2024-03-21T16:22:40Z International audience The oceanic uptake of atmospheric carbon dioxide (CO2) emitted by human activities alters the seawater carbonate system. Here, the chemical status of the Northeast Atlantic is examined by means of a high-quality database of carbon variables based on the GO-SHIP A25 section (1997–2018). The increase of atmospheric CO2 leads to an increase in ocean anthropogenic carbon (Cant) and a decrease in carbonate that is unequivocal in the upper and mid-layers (0–2,500 m depth). In the mid-layer, the carbonate content in the Northeast Atlantic is maintained by the interplay between the northward spreading of recently conveyed Mediterranean Water with excess of carbonate and the arrival of subpolar-origin waters close to carbonate undersaturation. In this study we show a progression to undersaturation with respect to aragonite that could compromise the conservation of the habitats and ecosystem services developed by benthic marine calcifiers inhabiting that depth-range, such as the cold-water corals (CWC) communities. For each additional ppm in atmospheric pCO2 the waters surrounding CWC communities lose carbonate at a rate of − 0.17 ± 0.02 μmol kg−1 ppm−1. The accomplishment of global climate policies to limit global warming below 1.5–2 ℃ will avoid the exhaustion of excess carbonate in the Northeast Atlantic. Article in Journal/Newspaper Northeast Atlantic Université de Bretagne Occidentale: HAL Scientific Reports 10 1 |
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Université de Bretagne Occidentale: HAL |
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ftunivbrest |
language |
English |
topic |
[SDU]Sciences of the Universe [physics] |
spellingShingle |
[SDU]Sciences of the Universe [physics] Fontela, Marcos Perez, Fiz F Carracedo, Lidia Padín, Xosé A. Velo, Antón García-Ibañez, Maribel I. Lherminier, Pascale The Northeast Atlantic is running out of excess carbonate in the horizon of cold-water corals communities |
topic_facet |
[SDU]Sciences of the Universe [physics] |
description |
International audience The oceanic uptake of atmospheric carbon dioxide (CO2) emitted by human activities alters the seawater carbonate system. Here, the chemical status of the Northeast Atlantic is examined by means of a high-quality database of carbon variables based on the GO-SHIP A25 section (1997–2018). The increase of atmospheric CO2 leads to an increase in ocean anthropogenic carbon (Cant) and a decrease in carbonate that is unequivocal in the upper and mid-layers (0–2,500 m depth). In the mid-layer, the carbonate content in the Northeast Atlantic is maintained by the interplay between the northward spreading of recently conveyed Mediterranean Water with excess of carbonate and the arrival of subpolar-origin waters close to carbonate undersaturation. In this study we show a progression to undersaturation with respect to aragonite that could compromise the conservation of the habitats and ecosystem services developed by benthic marine calcifiers inhabiting that depth-range, such as the cold-water corals (CWC) communities. For each additional ppm in atmospheric pCO2 the waters surrounding CWC communities lose carbonate at a rate of − 0.17 ± 0.02 μmol kg−1 ppm−1. The accomplishment of global climate policies to limit global warming below 1.5–2 ℃ will avoid the exhaustion of excess carbonate in the Northeast Atlantic. |
author2 |
Laboratoire d'Océanographie Physique et Spatiale (LOPS) Institut de Recherche pour le Développement (IRD)-Institut Français de Recherche pour l'Exploitation de la Mer (IFREMER)-Institut national des sciences de l'Univers (INSU - CNRS)-Université de Brest (UBO)-Centre National de la Recherche Scientifique (CNRS) |
format |
Article in Journal/Newspaper |
author |
Fontela, Marcos Perez, Fiz F Carracedo, Lidia Padín, Xosé A. Velo, Antón García-Ibañez, Maribel I. Lherminier, Pascale |
author_facet |
Fontela, Marcos Perez, Fiz F Carracedo, Lidia Padín, Xosé A. Velo, Antón García-Ibañez, Maribel I. Lherminier, Pascale |
author_sort |
Fontela, Marcos |
title |
The Northeast Atlantic is running out of excess carbonate in the horizon of cold-water corals communities |
title_short |
The Northeast Atlantic is running out of excess carbonate in the horizon of cold-water corals communities |
title_full |
The Northeast Atlantic is running out of excess carbonate in the horizon of cold-water corals communities |
title_fullStr |
The Northeast Atlantic is running out of excess carbonate in the horizon of cold-water corals communities |
title_full_unstemmed |
The Northeast Atlantic is running out of excess carbonate in the horizon of cold-water corals communities |
title_sort |
northeast atlantic is running out of excess carbonate in the horizon of cold-water corals communities |
publisher |
HAL CCSD |
publishDate |
2020 |
url |
https://hal.science/hal-04203207 https://hal.science/hal-04203207/document https://hal.science/hal-04203207/file/s41598-020-71793-2.pdf https://doi.org/10.1038/s41598-020-71793-2 |
genre |
Northeast Atlantic |
genre_facet |
Northeast Atlantic |
op_source |
ISSN: 2045-2322 EISSN: 2045-2322 Scientific Reports https://hal.science/hal-04203207 Scientific Reports, 2020, 10 (1), 14174 (10p.). ⟨10.1038/s41598-020-71793-2⟩ |
op_relation |
info:eu-repo/semantics/altIdentifier/doi/10.1038/s41598-020-71793-2 hal-04203207 https://hal.science/hal-04203207 https://hal.science/hal-04203207/document https://hal.science/hal-04203207/file/s41598-020-71793-2.pdf doi:10.1038/s41598-020-71793-2 |
op_rights |
http://creativecommons.org/licenses/by/ info:eu-repo/semantics/OpenAccess |
op_doi |
https://doi.org/10.1038/s41598-020-71793-2 |
container_title |
Scientific Reports |
container_volume |
10 |
container_issue |
1 |
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1796315083584831488 |