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dc.contributor.authorRusin, Jozef
dc.contributor.authorLavergne, Thomas
dc.contributor.authorDoulgeris, Anthony Paul
dc.contributor.authorScott, K. Andrea
dc.date.accessioned2024-08-30T11:08:16Z
dc.date.available2024-08-30T11:08:16Z
dc.date.issued2024-01-30
dc.description.abstractPassive-microwave sea ice concentration (SIC) algorithms employ different frequencies and polarisations in their operational implementations. Commonly, these algorithms utilise combinations such as 19/37 GHz, yielding reduced measurement uncertainties but at a coarse spatial resolution. Alternatively, these algorithms can solely use 89 GHz, producing a higher spatial resolution but with increased measurement uncertainties. This study evaluates the application of a resolution-enhancing SIC algorithm (reSICCI3LF), initially developed for the coarser Special Sensor Microwave Imager / Sounder, on the Advanced Microwave Scanning Radiometer. By applying reSICCI3LF, we aim to produce a 5 km SIC for 2013–2020 in the Fram Strait and the Barents and Kara Sea region that gains the benefits of both types of algo rithms, high spatial resolution and low measurement uncertainty. We present the algorithm tuning, spectral analysis of spatial resolutions, and validation against the Round Robin Data Package of 0% and 100% SIC points and SIC derived from Landsat-8. The findings demonstrate that the reSICCI3LF algorithm produces a SIC field with fine details, achieving a balance between high spatial resolution and lower measurement uncertainties compared to a 89 GHz based SIC. Consequently, this resolution-enhanced SIC technique can potentially initialise higher-resolution coupled ocean and sea ice forecasting systems through data assimilation.en_US
dc.identifier.citationRusin, Lavergne, Doulgeris, Scott. Resolution enhanced sea ice concentration: a new algorithm applied to AMSR2 microwave radiometry data. Annals of Glaciology. 2024:1-12en_US
dc.identifier.cristinIDFRIDAID 2250673
dc.identifier.doi10.1017/aog.2024.6
dc.identifier.issn0260-3055
dc.identifier.issn1727-5644
dc.identifier.urihttps://hdl.handle.net/10037/34490
dc.language.isoengen_US
dc.publisherCambridge University Pressen_US
dc.relation.journalAnnals of Glaciology
dc.rights.accessRightsopenAccessen_US
dc.rights.holderCopyright 2024 The Author(s)en_US
dc.rights.urihttps://creativecommons.org/licenses/by/4.0en_US
dc.rightsAttribution 4.0 International (CC BY 4.0)en_US
dc.titleResolution enhanced sea ice concentration: a new algorithm applied to AMSR2 microwave radiometry dataen_US
dc.type.versionpublishedVersionen_US
dc.typeJournal articleen_US
dc.typeTidsskriftartikkelen_US
dc.typePeer revieweden_US


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Attribution 4.0 International (CC BY 4.0)
Med mindre det står noe annet, er denne innførselens lisens beskrevet som Attribution 4.0 International (CC BY 4.0)