Regional air-sea fluxes of anthropogenic carbon inferred with an Ensemble Kalman Filter
15 páginas, 4 figuras, 4 tablas. Regional air-sea fluxes, ocean transport, and storage of anthropogenic carbon (Canth) are quantified. Observation-based Canth data from the ocean interior are assimilated into the Bern3D dynamic ocean model using an Ensemble Kalman Filter. Global uptake of Canth is e...
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American Geophysical Union
2009
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Online Access: | http://hdl.handle.net/10261/27143 https://doi.org/10.1029/2008GB003247 |
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ftcsic:oai:digital.csic.es:10261/27143 2024-02-11T10:08:51+01:00 Regional air-sea fluxes of anthropogenic carbon inferred with an Ensemble Kalman Filter Gerber, M. Joos, F. Vázquez Rodríguez, Marcos Touratier, F. Goyet, C. 2009-03 1099493 bytes application/pdf http://hdl.handle.net/10261/27143 https://doi.org/10.1029/2008GB003247 en eng American Geophysical Union http://dx.doi.org/10.1029/2008GB003247 Global Biogeochemical Cycles 23: GB1013 (2009) 0886-6236 http://hdl.handle.net/10261/27143 doi:10.1029/2008GB003247 open artículo http://purl.org/coar/resource_type/c_6501 2009 ftcsic https://doi.org/10.1029/2008GB003247 2024-01-16T09:28:05Z 15 páginas, 4 figuras, 4 tablas. Regional air-sea fluxes, ocean transport, and storage of anthropogenic carbon (Canth) are quantified. Observation-based Canth data from the ocean interior are assimilated into the Bern3D dynamic ocean model using an Ensemble Kalman Filter. Global uptake of Canth is estimated to be 131 ± 18 GtC over the period 1770 to 2000. Uncertainties from systematic biases in the reconstruction of Canth are assessed by assimilating data from four global and six Atlantic reconstructions and found to be comparable or larger than uncertainties from ocean transport. Aggregated fluxes for the southern high-latitude, tropical and midlatitude, and northern high-latitude ocean agree within 0.11 GtC a(-1) for the two reconstructions with the highest skill score, whereas regional uptake rates are up to a factor of three different. Results indicate that uptake and regional partitioning of anthropogenic carbon in the Southern Ocean remains uncertain. This study was financially supported by the European Union through the Integrated Project CarboOcean (511106-2), the Swiss National Science Foundation, and the Swiss Staatsekretariat für Bildung und Forschung (C07.0068; COST Action 735). Peer reviewed Article in Journal/Newspaper Southern Ocean Digital.CSIC (Spanish National Research Council) Southern Ocean Global Biogeochemical Cycles 23 1 n/a n/a |
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Open Polar |
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Digital.CSIC (Spanish National Research Council) |
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ftcsic |
language |
English |
description |
15 páginas, 4 figuras, 4 tablas. Regional air-sea fluxes, ocean transport, and storage of anthropogenic carbon (Canth) are quantified. Observation-based Canth data from the ocean interior are assimilated into the Bern3D dynamic ocean model using an Ensemble Kalman Filter. Global uptake of Canth is estimated to be 131 ± 18 GtC over the period 1770 to 2000. Uncertainties from systematic biases in the reconstruction of Canth are assessed by assimilating data from four global and six Atlantic reconstructions and found to be comparable or larger than uncertainties from ocean transport. Aggregated fluxes for the southern high-latitude, tropical and midlatitude, and northern high-latitude ocean agree within 0.11 GtC a(-1) for the two reconstructions with the highest skill score, whereas regional uptake rates are up to a factor of three different. Results indicate that uptake and regional partitioning of anthropogenic carbon in the Southern Ocean remains uncertain. This study was financially supported by the European Union through the Integrated Project CarboOcean (511106-2), the Swiss National Science Foundation, and the Swiss Staatsekretariat für Bildung und Forschung (C07.0068; COST Action 735). Peer reviewed |
format |
Article in Journal/Newspaper |
author |
Gerber, M. Joos, F. Vázquez Rodríguez, Marcos Touratier, F. Goyet, C. |
spellingShingle |
Gerber, M. Joos, F. Vázquez Rodríguez, Marcos Touratier, F. Goyet, C. Regional air-sea fluxes of anthropogenic carbon inferred with an Ensemble Kalman Filter |
author_facet |
Gerber, M. Joos, F. Vázquez Rodríguez, Marcos Touratier, F. Goyet, C. |
author_sort |
Gerber, M. |
title |
Regional air-sea fluxes of anthropogenic carbon inferred with an Ensemble Kalman Filter |
title_short |
Regional air-sea fluxes of anthropogenic carbon inferred with an Ensemble Kalman Filter |
title_full |
Regional air-sea fluxes of anthropogenic carbon inferred with an Ensemble Kalman Filter |
title_fullStr |
Regional air-sea fluxes of anthropogenic carbon inferred with an Ensemble Kalman Filter |
title_full_unstemmed |
Regional air-sea fluxes of anthropogenic carbon inferred with an Ensemble Kalman Filter |
title_sort |
regional air-sea fluxes of anthropogenic carbon inferred with an ensemble kalman filter |
publisher |
American Geophysical Union |
publishDate |
2009 |
url |
http://hdl.handle.net/10261/27143 https://doi.org/10.1029/2008GB003247 |
geographic |
Southern Ocean |
geographic_facet |
Southern Ocean |
genre |
Southern Ocean |
genre_facet |
Southern Ocean |
op_relation |
http://dx.doi.org/10.1029/2008GB003247 Global Biogeochemical Cycles 23: GB1013 (2009) 0886-6236 http://hdl.handle.net/10261/27143 doi:10.1029/2008GB003247 |
op_rights |
open |
op_doi |
https://doi.org/10.1029/2008GB003247 |
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Global Biogeochemical Cycles |
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23 |
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1 |
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1790608473040355328 |