Articles | Volume 17, issue 12
https://doi.org/10.5194/tc-17-5131-2023
https://doi.org/10.5194/tc-17-5131-2023
Brief communication
 | 
06 Dec 2023
Brief communication |  | 06 Dec 2023

Brief communication: Surface energy balance differences over Greenland between ERA5 and ERA-Interim

Uta Krebs-Kanzow, Christian B. Rodehacke, and Gerrit Lohmann

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Short summary
We compare components of the surface energy balance from two datasets, ERA5 and ERA-Interim, which can be used to estimate the surface mass balance (SMB) on the Greenland Ice Sheet (GrIS). ERA5 differs significantly from ERA-Interim, especially in the melt regions with lower temperatures and stronger shortwave radiation. Consequently, methods that previously estimated the GrIS SMB from ERA-Interim need to be carefully recalibrated before conversion to ERA5 forcing.