Articles | Volume 15, issue 4
The Cryosphere, 15, 1823–1844, 2021
https://doi.org/10.5194/tc-15-1823-2021
The Cryosphere, 15, 1823–1844, 2021
https://doi.org/10.5194/tc-15-1823-2021

Research article 13 Apr 2021

Research article | 13 Apr 2021

Impact of updated radiative transfer scheme in snow and ice in RACMO2.3p3 on the surface mass and energy budget of the Greenland ice sheet

Christiaan T. van Dalum et al.

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Short summary
Absorption of solar radiation is often limited to the surface in regional climate models. Therefore, we have implemented a new radiative transfer scheme in the model RACMO2, which allows for internal heating and improves the surface reflectivity. Here, we evaluate its impact on the surface mass and energy budget and (sub)surface temperature, by using observations and the previous model version for the Greenland ice sheet. New results match better with observations and introduce subsurface melt.