Response of the North Atlantic Ocean carbon sink to climate change : role of submesoscale processes
International audience In the North Atlantic, one of the largest oceanic carbon sink, both the biological pump (through primary production) and the physical pump (through subduction/obduction processes) are likely to be affected by climate change : earth system models predict a decline of primary pr...
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HAL CCSD
2017
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Online Access: | https://hal.sorbonne-universite.fr/hal-01614925 |
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Open Polar |
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Muséum National d'Histoire Naturelle (MNHM): HAL |
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ftmuseumnhn |
language |
English |
topic |
[PHYS.PHYS.PHYS-GEO-PH]Physics [physics]/Physics [physics]/Geophysics [physics.geo-ph] |
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[PHYS.PHYS.PHYS-GEO-PH]Physics [physics]/Physics [physics]/Geophysics [physics.geo-ph] Couespel, Damien Lévy, Marina Klein, Patrice Talandier, Claude Response of the North Atlantic Ocean carbon sink to climate change : role of submesoscale processes |
topic_facet |
[PHYS.PHYS.PHYS-GEO-PH]Physics [physics]/Physics [physics]/Geophysics [physics.geo-ph] |
description |
International audience In the North Atlantic, one of the largest oceanic carbon sink, both the biological pump (through primary production) and the physical pump (through subduction/obduction processes) are likely to be affected by climate change : earth system models predict a decline of primary production and changes in water mass formation. However, these models do not resolve submesoscale processes which have been shown to significantly modify both primary production and subduction at the scale of the basin. In order to examine how our current predictions of these changes are biased due to the absence of submesoscale processes, we carry a model study in which an idealized configuration of the North Atlantic ocean is run for several decades with 3 horizontal resolutions : 100km, 12km and 4km. Two scenarios are examined : a preindustrial scenario, with a seasonally repeating atmospheric forcing, and a climate change scenario where a constant temperature trend is added to the previous forcing. Comparing the results for the different horizontal resolution, we investigate the contribution of submesoscale processes to 1) the predicted decline of primary production, 2) the physical carbon fluxes in preindustrial conditions and 3) in climate change conditions. |
author2 |
Processus de couplage à Petite Echelle, Ecosystèmes et Prédateurs Supérieurs (PEPS) Laboratoire d'Océanographie et du Climat : Expérimentations et Approches Numériques (LOCEAN) Muséum national d'Histoire naturelle (MNHN)-Institut de Recherche pour le Développement (IRD)-Université Pierre et Marie Curie - Paris 6 (UPMC)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National de la Recherche Scientifique (CNRS)-Institut Pierre-Simon-Laplace (IPSL (FR_636)) École normale supérieure - Paris (ENS-PSL) Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Université de Versailles Saint-Quentin-en-Yvelines (UVSQ)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Institut national des sciences de l'Univers (INSU - CNRS)-Université Paris Diderot - Paris 7 (UPD7)-École polytechnique (X)-Centre National d'Études Spatiales Toulouse (CNES)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS)-École normale supérieure - Paris (ENS-PSL) Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Université de Versailles Saint-Quentin-en-Yvelines (UVSQ)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris Diderot - Paris 7 (UPD7)-École polytechnique (X)-Centre National d'Études Spatiales Toulouse (CNES)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS)-Muséum national d'Histoire naturelle (MNHN)-Institut de Recherche pour le Développement (IRD)-Université Pierre et Marie Curie - Paris 6 (UPMC)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National de la Recherche Scientifique (CNRS)-Institut Pierre-Simon-Laplace (IPSL (FR_636)) Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Université de Versailles Saint-Quentin-en-Yvelines (UVSQ)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris Diderot - Paris 7 (UPD7)-École polytechnique (X)-Centre National d'Études Spatiales Toulouse (CNES)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS) 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) CNES ID 3148 EGU |
format |
Conference Object |
author |
Couespel, Damien Lévy, Marina Klein, Patrice Talandier, Claude |
author_facet |
Couespel, Damien Lévy, Marina Klein, Patrice Talandier, Claude |
author_sort |
Couespel, Damien |
title |
Response of the North Atlantic Ocean carbon sink to climate change : role of submesoscale processes |
title_short |
Response of the North Atlantic Ocean carbon sink to climate change : role of submesoscale processes |
title_full |
Response of the North Atlantic Ocean carbon sink to climate change : role of submesoscale processes |
title_fullStr |
Response of the North Atlantic Ocean carbon sink to climate change : role of submesoscale processes |
title_full_unstemmed |
Response of the North Atlantic Ocean carbon sink to climate change : role of submesoscale processes |
title_sort |
response of the north atlantic ocean carbon sink to climate change : role of submesoscale processes |
publisher |
HAL CCSD |
publishDate |
2017 |
url |
https://hal.sorbonne-universite.fr/hal-01614925 |
op_coverage |
Vienne, Austria |
genre |
North Atlantic |
genre_facet |
North Atlantic |
op_source |
19th EGU General Assembly https://hal.sorbonne-universite.fr/hal-01614925 19th EGU General Assembly, EGU, Apr 2017, Vienne, Austria. p.17472 |
op_relation |
hal-01614925 https://hal.sorbonne-universite.fr/hal-01614925 BIBCODE: 2017EGUGA.1917472C |
_version_ |
1796313844484669440 |
spelling |
ftmuseumnhn:oai:HAL:hal-01614925v1 2024-04-14T08:15:29+00:00 Response of the North Atlantic Ocean carbon sink to climate change : role of submesoscale processes Couespel, Damien Lévy, Marina Klein, Patrice Talandier, Claude Processus de couplage à Petite Echelle, Ecosystèmes et Prédateurs Supérieurs (PEPS) Laboratoire d'Océanographie et du Climat : Expérimentations et Approches Numériques (LOCEAN) Muséum national d'Histoire naturelle (MNHN)-Institut de Recherche pour le Développement (IRD)-Université Pierre et Marie Curie - Paris 6 (UPMC)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National de la Recherche Scientifique (CNRS)-Institut Pierre-Simon-Laplace (IPSL (FR_636)) École normale supérieure - Paris (ENS-PSL) Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Université de Versailles Saint-Quentin-en-Yvelines (UVSQ)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Institut national des sciences de l'Univers (INSU - CNRS)-Université Paris Diderot - Paris 7 (UPD7)-École polytechnique (X)-Centre National d'Études Spatiales Toulouse (CNES)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS)-École normale supérieure - Paris (ENS-PSL) Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Université de Versailles Saint-Quentin-en-Yvelines (UVSQ)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris Diderot - Paris 7 (UPD7)-École polytechnique (X)-Centre National d'Études Spatiales Toulouse (CNES)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS)-Muséum national d'Histoire naturelle (MNHN)-Institut de Recherche pour le Développement (IRD)-Université Pierre et Marie Curie - Paris 6 (UPMC)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National de la Recherche Scientifique (CNRS)-Institut Pierre-Simon-Laplace (IPSL (FR_636)) Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Université de Versailles Saint-Quentin-en-Yvelines (UVSQ)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris Diderot - Paris 7 (UPD7)-École polytechnique (X)-Centre National d'Études Spatiales Toulouse (CNES)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS) 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) CNES ID 3148 EGU Vienne, Austria 2017-04-23 https://hal.sorbonne-universite.fr/hal-01614925 en eng HAL CCSD hal-01614925 https://hal.sorbonne-universite.fr/hal-01614925 BIBCODE: 2017EGUGA.1917472C 19th EGU General Assembly https://hal.sorbonne-universite.fr/hal-01614925 19th EGU General Assembly, EGU, Apr 2017, Vienne, Austria. p.17472 [PHYS.PHYS.PHYS-GEO-PH]Physics [physics]/Physics [physics]/Geophysics [physics.geo-ph] info:eu-repo/semantics/conferenceObject Conference papers 2017 ftmuseumnhn 2024-03-21T16:39:25Z International audience In the North Atlantic, one of the largest oceanic carbon sink, both the biological pump (through primary production) and the physical pump (through subduction/obduction processes) are likely to be affected by climate change : earth system models predict a decline of primary production and changes in water mass formation. However, these models do not resolve submesoscale processes which have been shown to significantly modify both primary production and subduction at the scale of the basin. In order to examine how our current predictions of these changes are biased due to the absence of submesoscale processes, we carry a model study in which an idealized configuration of the North Atlantic ocean is run for several decades with 3 horizontal resolutions : 100km, 12km and 4km. Two scenarios are examined : a preindustrial scenario, with a seasonally repeating atmospheric forcing, and a climate change scenario where a constant temperature trend is added to the previous forcing. Comparing the results for the different horizontal resolution, we investigate the contribution of submesoscale processes to 1) the predicted decline of primary production, 2) the physical carbon fluxes in preindustrial conditions and 3) in climate change conditions. Conference Object North Atlantic Muséum National d'Histoire Naturelle (MNHM): HAL |