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dc.contributor.author
Lhardy, Fanny
dc.contributor.author
Bouttes, Nathaelle
dc.contributor.author
Roche, Didier
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Abe Ouchi, Ayako
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Chase, Zanna
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Crichton, Katherine
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Ilyina, Tatiana
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Ivanovic, Ruza
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Jochum, Markus
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Kageyama, Masa
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Kobayashi, Hidetaka
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Liu, Bo
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Menviel, Laurie
dc.contributor.author
Muglia, Juan
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dc.contributor.author
Nuterman, Roman
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Oka, Akira
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Vettoretti, Guido
dc.contributor.author
Yamamoto, Akitomo
dc.date.available
2022-10-05T17:37:45Z
dc.date.issued
2021-10
dc.identifier.citation
Lhardy, Fanny; Bouttes, Nathaelle; Roche, Didier; Abe Ouchi, Ayako; Chase, Zanna; et al.; A First Intercomparison of the Simulated LGM Carbon Results Within PMIP-Carbon: Role of the Ocean Boundary Conditions; John Wiley & Sons Inc.; Paleoceanography and Paleoclimatology; 36; 10; 10-2021; 1-15
dc.identifier.issn
2572-4517
dc.identifier.uri
http://hdl.handle.net/11336/172015
dc.description.abstract
Model intercomparison studies of coupled carbon-climate simulations have the potential to improve our understanding of the processes explaining the (Formula presented.) drawdown at the Last Glacial Maximum (LGM) and to identify related model biases. Models participating in the Paleoclimate Modeling Intercomparison Project (PMIP) now frequently include the carbon cycle. The ongoing PMIP-carbon project provides the first opportunity to conduct multimodel comparisons of simulated carbon content for the LGM time window. However, such a study remains challenging due to differing implementation of ocean boundary conditions (e.g., bathymetry and coastlines reflecting the low sea level) and to various associated adjustments of biogeochemical variables (i.e., alkalinity, nutrients, dissolved inorganic carbon). After assessing the ocean volume of PMIP models at the pre-industrial and LGM, we investigate the impact of these modeling choices on the simulated carbon at the global scale, using both PMIP-carbon model outputs and sensitivity tests with the iLOVECLIM model. We show that the carbon distribution in reservoirs is significantly affected by the choice of ocean boundary conditions in iLOVECLIM. In particular, our simulations demonstrate a (Formula presented.) GtC effect of an alkalinity adjustment on carbon sequestration in the ocean. Finally, we observe that PMIP-carbon models with a freely evolving (Formula presented.) and no additional glacial mechanisms do not simulate the (Formula presented.) drawdown at the LGM (with concentrations as high as 313, 331, and 315 ppm), especially if they use a low ocean volume. Our findings suggest that great care should be taken on accounting for large bathymetry changes in models including the carbon cycle.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
John Wiley & Sons Inc.
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dc.rights
info:eu-repo/semantics/restrictedAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
ALKALINITY
dc.subject
ATMOSPHERIC CO2
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CLIMATE MODELS
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OCEAN VOLUME
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GLACIAL-INTERGLACIAL CYCLES
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Investigación Climatológica
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dc.subject.classification
Ciencias de la Tierra y relacionadas con el Medio Ambiente
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dc.subject.classification
CIENCIAS NATURALES Y EXACTAS
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dc.title
A First Intercomparison of the Simulated LGM Carbon Results Within PMIP-Carbon: Role of the Ocean Boundary Conditions
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2022-09-21T10:27:32Z
dc.identifier.eissn
2572-4525
dc.journal.volume
36
dc.journal.number
10
dc.journal.pagination
1-15
dc.journal.pais
Estados Unidos
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dc.journal.ciudad
Nueva Jersey
dc.description.fil
Fil: Lhardy, Fanny. Commissariat A Energie Atomique; Francia. Centre National de la Recherche Scientifique; Francia
dc.description.fil
Fil: Bouttes, Nathaelle. Commissariat A Energie Atomique; Francia. Centre National de la Recherche Scientifique; Francia
dc.description.fil
Fil: Roche, Didier. Commissariat A Energie Atomique; Francia. Centre National de la Recherche Scientifique; Francia. Vrije Universiteit Amsterdam; Países Bajos
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Fil: Abe Ouchi, Ayako. The University Of Tokyo; Japón
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Fil: Chase, Zanna. University of Tasmania; Australia
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Fil: Crichton, Katherine. University of Exeter; Reino Unido
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Fil: Ilyina, Tatiana. Max Planck Institute For Meteorology; Alemania
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Fil: Ivanovic, Ruza. University of Leeds; Reino Unido
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Fil: Jochum, Markus. Universidad de Copenhagen; Dinamarca
dc.description.fil
Fil: Kageyama, Masa. Commissariat A Energie Atomique; Francia. Centre National de la Recherche Scientifique; Francia
dc.description.fil
Fil: Kobayashi, Hidetaka. The University Of Tokyo; Japón
dc.description.fil
Fil: Liu, Bo. Max Planck Institute For Meteorology; Alemania
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Fil: Menviel, Laurie. University of New South Wales; Australia
dc.description.fil
Fil: Muglia, Juan. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Centro Nacional Patagónico. Centro para el Estudio de Sistemas Marinos; Argentina
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Fil: Nuterman, Roman. Universidad de Copenhagen; Dinamarca
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Fil: Oka, Akira. The University Of Tokyo; Japón
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Fil: Vettoretti, Guido. Universidad de Copenhagen; Dinamarca
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Fil: Yamamoto, Akitomo. Japan Agency For Marine-earth Science And Technology; Japón
dc.journal.title
Paleoceanography and Paleoclimatology
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1029/2021PA004302
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://agupubs.onlinelibrary.wiley.com/doi/full/10.1029/2021PA004302
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