Show simple item record

dc.contributor.authorKoenig, Zoe Charlotte
dc.contributor.authorKalhagen, Kjersti
dc.contributor.authorKolås, Eivind Hugaas
dc.contributor.authorFer, Ilker
dc.contributor.authorNilsen, Frank
dc.contributor.authorCottier, Finlo
dc.date.accessioned2022-09-13T08:45:16Z
dc.date.available2022-09-13T08:45:16Z
dc.date.issued2022-08-05
dc.description.abstractThe Atlantic Water inflow to the Arctic Ocean is transformed and modified in the area north of Svalbard, which influences the Arctic Ocean heat and salt budget. Year-round observations are relatively sparse in this region partially covered by sea ice. We took advantage of one-year-long records of ocean currents and hydrography from seven moorings north of Svalbard. The moorings are organized in two arrays separated by 94 km along the path of the Atlantic Water inflow to investigate the properties, transport and heat loss of the Atlantic Water in 2018/2019. The Atlantic Water volume transport varies from 0.5 Sv (1 Sv = 10<sup>6</sup> m<sup>3</sup> s<sup>−1</sup>) in spring to 2 Sv in fall. The first mode of variation of the Atlantic Water inflow temperature is a warm/cold mode with a seasonal cycle. The second mode corresponds to a shorter time scale (6–7 days) variability in the onshore/offshore displacement of the temperature core linked to the mesoscale variability. Heat loss from the Atlantic Water in this region is estimated, for the first time using two mooring arrays and conserving the volume transport. The heat loss varies between 302 W m<sup>−2</sup> in winter to 60 W m<sup>−2</sup> in spring. The onshore moorings show a westward countercurrent driven by Ekman setup in spring, carrying transformed-Atlantic Water. The offshore moorings show a bottom-intensified current that covaries with the wind stress curl. These two mooring arrays allowed for a better comprehension of the structure and transformation of the slope currents north of Svalbard.en_US
dc.identifier.citationKoenig ZC, Kalhagen K, Kolås E, Fer I, Nilsen F, Cottier F. Atlantic water properties, transport and heat loss from mooring observations north of Svalbard. Journal of Geophysical Research (JGR): Oceans. 2022;127(8)en_US
dc.identifier.cristinIDFRIDAID 2046646
dc.identifier.doihttps://doi.org/10.1029/2022JC018568
dc.identifier.issn2169-9275
dc.identifier.issn2169-9291
dc.identifier.urihttps://hdl.handle.net/10037/26777
dc.language.isoengen_US
dc.publisherWileyen_US
dc.relation.journalJournal of Geophysical Research (JGR): Oceans
dc.relation.urihttps://agupubs.onlinelibrary.wiley.com/doi/10.1029/2022JC018568
dc.rights.accessRightsopenAccessen_US
dc.rights.holderCopyright 2022 The Author(s)en_US
dc.subjectVDP::Matematikk og naturvitenskap: 400::Geofag: 450::Oseanografi: 452en_US
dc.subjectVDP::Mathematics and natural scienses: 400::Geosciences: 450::Oceanography: 452en_US
dc.titleAtlantic water properties, transport and heat loss from mooring observations north of Svalbarden_US
dc.type.versionpublishedVersionen_US
dc.typeJournal articleen_US
dc.typeTidsskriftartikkelen_US
dc.typePeer revieweden_US


File(s) in this item

Thumbnail

This item appears in the following collection(s)

Show simple item record