Articles | Volume 16, issue 3
The Cryosphere, 16, 1071–1089, 2022
The Cryosphere, 16, 1071–1089, 2022
Research article
29 Mar 2022
Research article | 29 Mar 2022

Sensitivity of Antarctic surface climate to a new spectral snow albedo and radiative transfer scheme in RACMO2.3p3

Christiaan T. van Dalum et al.

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Cited articles

Agosta, C., Amory, C., Kittel, C., Orsi, A., Favier, V., Gallée, H., van den Broeke, M. R., Lenaerts, J. T. M., van Wessem, J. M., van de Berg, W. J., and Fettweis, X.: Estimation of the Antarctic surface mass balance using the regional climate model MAR (1979–2015) and identification of dominant processes, The Cryosphere, 13, 281–296,, 2019. a
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Bozkurt, D., Rondanelli, R., Marín, J. C., and Garreaud, R.: Foehn Event Triggered by an Atmospheric River Underlies Record-Setting Temperature Along Continental Antarctica, J. Geophys. Res.-Atmos., 123, 3871–3892,, 2018. a
Brucker, L., Picard, G., Arnaud, L., Barnola, J.-M., Schneebeli, M., Brunjail, H., Lefebvre, E., and Fily, M.: Modeling time series of microwave brightness temperature at Dome C, Antarctica, using vertically resolved snow temperature and microstructure measurements, J. Glaciol., 57, 171–182,, 2011. a, b
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Short summary
In this study, we improve the regional climate model RACMO2 and investigate the climate of Antarctica. We have implemented a new radiative transfer and snow albedo scheme and do several sensitivity experiments. When fully tuned, the results compare well with observations and snow temperature profiles improve. Moreover, small changes in the albedo and the investigated processes can lead to a strong overestimation of melt, locally leading to runoff and a reduced surface mass balance.