Rapid changes in anthropogenic carbon storage and ocean acidification in the intermediate layers of the Eurasian Arctic Ocean: 1996-2015
The extended multiple linear regression technique is used to determine changes in anthropogenic carbon in the intermediate layers of the Eurasian Basin based on occupations from four cruises between 1996 and 2015. The results show a significant increase in basin‐wide anthropogenic carbon storage in...
Published in: | Global Biogeochemical Cycles |
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Language: | English |
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ftnioz:oai:imis.nioz.nl:302722 2023-05-15T13:22:43+02:00 Rapid changes in anthropogenic carbon storage and ocean acidification in the intermediate layers of the Eurasian Arctic Ocean: 1996-2015 Ulfsbo, A. Jones, E.M. Casacuberta, N. Korhonen, M. Rabe, B. Karcher, M. van Heuven, S.M.A.C. 2018 application/pdf https://www.vliz.be/imisdocs/publications/39/320639.pdf en eng info:eu-repo/semantics/altIdentifier/wos/000447281100001 info:eu-repo/semantics/altIdentifier/doi/.org/10.1029/2017GB005738 https://www.vliz.be/imisdocs/publications/39/320639.pdf info:eu-repo/semantics/openAccess %3Ci%3EGlobal+Biogeochem.+Cycles+32%289%29%3C%2Fi%3E%3A+1254-1275.+%3Ca+href%3D%22https%3A%2F%2Fdoi.org%2F10.1029%2F2017GB005738%22+target%3D%22_blank%22%3Ehttps%3A%2F%2Fdoi.org%2F10.1029%2F2017GB005738%3C%2Fa%3E info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion 2018 ftnioz https://doi.org/10.1029/2017GB005738 2022-05-01T14:08:31Z The extended multiple linear regression technique is used to determine changes in anthropogenic carbon in the intermediate layers of the Eurasian Basin based on occupations from four cruises between 1996 and 2015. The results show a significant increase in basin‐wide anthropogenic carbon storage in the Nansen Basin (0.44–0.73 ± 0.14 mol C·m −2· year −1 and the Amundsen Basin (0.63–1.04 ± 0.09 mol C·m −2· year −1 ). Over the last two decades, inferred changes in ocean acidification (0.020–0.055 pH units) and calcium carbonate desaturation (0.05–0.18 units) are pronounced and rapid. These results, together with results from carbonate‐dynamic box model simulations and 129I tracer distribution simulations, suggest that the accumulation of anthropogenic carbon in the intermediate layers of the Eurasian Basin are consistent with increasing concentrations of anthropogenic carbon in source waters of Atlantic origin entering the Arctic Ocean followed by interior transport. The dissimilar distributions of anthropogenic carbon in the interior Nansen and Amundsen Basins are likely due to differences in the lateral ventilation of the intermediate layers by the return flows and ramifications of the boundary current along the topographic boundaries in the Eurasian Basin. Article in Journal/Newspaper amundsen basin Arctic Arctic Ocean Nansen Basin Ocean acidification NIOZ Repository (Royal Netherlands Institute for Sea Research) Arctic Arctic Ocean Amundsen Basin ENVELOPE(74.000,74.000,87.000,87.000) Global Biogeochemical Cycles 32 9 1254 1275 |
institution |
Open Polar |
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NIOZ Repository (Royal Netherlands Institute for Sea Research) |
op_collection_id |
ftnioz |
language |
English |
description |
The extended multiple linear regression technique is used to determine changes in anthropogenic carbon in the intermediate layers of the Eurasian Basin based on occupations from four cruises between 1996 and 2015. The results show a significant increase in basin‐wide anthropogenic carbon storage in the Nansen Basin (0.44–0.73 ± 0.14 mol C·m −2· year −1 and the Amundsen Basin (0.63–1.04 ± 0.09 mol C·m −2· year −1 ). Over the last two decades, inferred changes in ocean acidification (0.020–0.055 pH units) and calcium carbonate desaturation (0.05–0.18 units) are pronounced and rapid. These results, together with results from carbonate‐dynamic box model simulations and 129I tracer distribution simulations, suggest that the accumulation of anthropogenic carbon in the intermediate layers of the Eurasian Basin are consistent with increasing concentrations of anthropogenic carbon in source waters of Atlantic origin entering the Arctic Ocean followed by interior transport. The dissimilar distributions of anthropogenic carbon in the interior Nansen and Amundsen Basins are likely due to differences in the lateral ventilation of the intermediate layers by the return flows and ramifications of the boundary current along the topographic boundaries in the Eurasian Basin. |
format |
Article in Journal/Newspaper |
author |
Ulfsbo, A. Jones, E.M. Casacuberta, N. Korhonen, M. Rabe, B. Karcher, M. van Heuven, S.M.A.C. |
spellingShingle |
Ulfsbo, A. Jones, E.M. Casacuberta, N. Korhonen, M. Rabe, B. Karcher, M. van Heuven, S.M.A.C. Rapid changes in anthropogenic carbon storage and ocean acidification in the intermediate layers of the Eurasian Arctic Ocean: 1996-2015 |
author_facet |
Ulfsbo, A. Jones, E.M. Casacuberta, N. Korhonen, M. Rabe, B. Karcher, M. van Heuven, S.M.A.C. |
author_sort |
Ulfsbo, A. |
title |
Rapid changes in anthropogenic carbon storage and ocean acidification in the intermediate layers of the Eurasian Arctic Ocean: 1996-2015 |
title_short |
Rapid changes in anthropogenic carbon storage and ocean acidification in the intermediate layers of the Eurasian Arctic Ocean: 1996-2015 |
title_full |
Rapid changes in anthropogenic carbon storage and ocean acidification in the intermediate layers of the Eurasian Arctic Ocean: 1996-2015 |
title_fullStr |
Rapid changes in anthropogenic carbon storage and ocean acidification in the intermediate layers of the Eurasian Arctic Ocean: 1996-2015 |
title_full_unstemmed |
Rapid changes in anthropogenic carbon storage and ocean acidification in the intermediate layers of the Eurasian Arctic Ocean: 1996-2015 |
title_sort |
rapid changes in anthropogenic carbon storage and ocean acidification in the intermediate layers of the eurasian arctic ocean: 1996-2015 |
publishDate |
2018 |
url |
https://www.vliz.be/imisdocs/publications/39/320639.pdf |
long_lat |
ENVELOPE(74.000,74.000,87.000,87.000) |
geographic |
Arctic Arctic Ocean Amundsen Basin |
geographic_facet |
Arctic Arctic Ocean Amundsen Basin |
genre |
amundsen basin Arctic Arctic Ocean Nansen Basin Ocean acidification |
genre_facet |
amundsen basin Arctic Arctic Ocean Nansen Basin Ocean acidification |
op_source |
%3Ci%3EGlobal+Biogeochem.+Cycles+32%289%29%3C%2Fi%3E%3A+1254-1275.+%3Ca+href%3D%22https%3A%2F%2Fdoi.org%2F10.1029%2F2017GB005738%22+target%3D%22_blank%22%3Ehttps%3A%2F%2Fdoi.org%2F10.1029%2F2017GB005738%3C%2Fa%3E |
op_relation |
info:eu-repo/semantics/altIdentifier/wos/000447281100001 info:eu-repo/semantics/altIdentifier/doi/.org/10.1029/2017GB005738 https://www.vliz.be/imisdocs/publications/39/320639.pdf |
op_rights |
info:eu-repo/semantics/openAccess |
op_doi |
https://doi.org/10.1029/2017GB005738 |
container_title |
Global Biogeochemical Cycles |
container_volume |
32 |
container_issue |
9 |
container_start_page |
1254 |
op_container_end_page |
1275 |
_version_ |
1766366558431477760 |