Articles | Volume 14, issue 11
The Cryosphere, 14, 4083–4102, 2020
https://doi.org/10.5194/tc-14-4083-2020
The Cryosphere, 14, 4083–4102, 2020
https://doi.org/10.5194/tc-14-4083-2020

Research article 18 Nov 2020

Research article | 18 Nov 2020

Reconciling the surface temperature–surface mass balance relationship in models and ice cores in Antarctica over the last 2 centuries

Marie G. P. Cavitte et al.

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Short summary
Surface mass balance (SMB) and surface air temperature (SAT) are correlated at the regional scale for most of Antarctica, SMB and δ18O. Areas with low/no correlation are where wind processes (foehn, katabatic wind warming, and erosion) are sufficiently active to overwhelm the synoptic-scale snow accumulation. Measured in ice cores, the link between SMB, SAT, and δ18O is much weaker. Random noise can be removed by core record averaging but local processes perturb the correlation systematically.