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Publication:
Southern Ocean anthropogenic carbon sink constrained by sea surface salinity

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cris.virtual.author-orcid#PLACEHOLDER_PARENT_METADATA_VALUE#
cris.virtual.author-orcid0000-0003-2348-7854
cris.virtual.author-orcid0000-0002-9483-6030
cris.virtualsource.author-orcide664fac4-461a-4958-9394-97d9be277d29
cris.virtualsource.author-orcidb3b22c57-5a71-43df-9861-3aef12434178
cris.virtualsource.author-orcid4eb8fa78-3b0a-46dc-b113-d977c12bf258
dc.contributor.authorTerhaar, Jens
dc.contributor.authorFrölicher, Thomas
dc.contributor.authorJoos, Fortunat
dc.date.accessioned2024-09-02T17:28:46Z
dc.date.available2024-09-02T17:28:46Z
dc.date.issued2021
dc.description.abstractThe ocean attenuates global warming by taking up about one quarter of global anthropogenic carbon emissions. Around 40% of this carbon sink is located in the Southern Ocean. However, Earth system models struggle to reproduce the Southern Ocean circulation and carbon fluxes. We identify a tight relationship across two multimodel ensembles between present-day sea surface salinity in the subtropical-polar frontal zone and the anthropogenic carbon sink in the Southern Ocean. Observations and model results constrain the cumulative Southern Ocean sink over 1850-2100 to 158 ± 6 petagrams of carbon under the low-emissions scenario Shared Socioeconomic Pathway 1-2.6 (SSP1-2.6) and to 279 ± 14 petagrams of carbon under the high-emissions scenario SSP5-8.5. The constrained anthropogenic carbon sink is 14 to 18% larger and 46 to 54% less uncertain than estimated by the unconstrained estimates. The identified constraint demonstrates the importance of the freshwater cycle for the Southern Ocean circulation and carbon cycle.
dc.description.numberOfPages10
dc.description.sponsorshipPhysikalisches Institut, Klima- und Umweltphysik (KUP)
dc.identifier.doi10.48350/156125
dc.identifier.publisherDOI10.1126/sciadv.abd5964
dc.identifier.urihttps://boris-portal.unibe.ch/handle/20.500.12422/42002
dc.language.isoen
dc.publisherAmerican Association for the Advancement of Science
dc.relation.ispartofScience Advances
dc.relation.issn2375-2548
dc.relation.organizationDCD5A442BF29E17DE0405C82790C4DE2
dc.relation.organizationDCD5A442C08FE17DE0405C82790C4DE2
dc.subject.ddc500 - Science::530 - Physics
dc.titleSouthern Ocean anthropogenic carbon sink constrained by sea surface salinity
dc.typearticle
dspace.entity.typePublication
oaire.citation.endPage10
oaire.citation.issue18
oaire.citation.startPage1
oaire.citation.volume7
oairecerif.author.affiliationPhysikalisches Institut, Klima- und Umweltphysik (KUP)
oairecerif.author.affiliationPhysikalisches Institut, Klima- und Umweltphysik (KUP)
oairecerif.author.affiliationPhysikalisches Institut, Klima- und Umweltphysik (KUP)
oairecerif.author.affiliation2#PLACEHOLDER_PARENT_METADATA_VALUE#
oairecerif.author.affiliation2#PLACEHOLDER_PARENT_METADATA_VALUE#
oairecerif.author.affiliation2#PLACEHOLDER_PARENT_METADATA_VALUE#
oairecerif.author.affiliation3#PLACEHOLDER_PARENT_METADATA_VALUE#
oairecerif.author.affiliation3#PLACEHOLDER_PARENT_METADATA_VALUE#
oairecerif.author.affiliation3#PLACEHOLDER_PARENT_METADATA_VALUE#
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unibe.contributor.rolecreator
unibe.contributor.rolecreator
unibe.contributor.rolecreator
unibe.date.licenseChanged2021-05-17 13:20:15
unibe.description.ispublishedpub
unibe.eprints.legacyId156125
unibe.journal.abbrevTitleScience Advances
unibe.refereedTRUE
unibe.subtype.articlejournal

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