Antarctic Peninsula MAR 3-hourly data

Modèle Atmosphérique Régionale (MAR), was utilized Wille et al. (2022, Commun. Earth Environ.) . The files contain surface melt, runoff, surface temperature at three-hour timesteps. A description of MAR from Wille et al. (2022) follows as...

MAR is a regional climate model specifically designed for simulating polar climate. MAR atmospheric dynamics are based on the hydrostatic approximation of the primitive equations. The exchanges between the atmospheric part of MAR and the surface are handled by the complex energy-balance snow model SISVAT, based on CROCUS that explicitly simulates 30 layers resolving the 20 first meters of snow or ice. The surface module notably represents percolation of meltwater and its retention into the snowpack. Runoff occurs when the snowpack can no longer absorb additional liquid water (i.e., snowpack water content exceeding 5% or surface liquid water over bare ice or an ice-lense layer). MARv3.11 was run at a resolution of 7.5 km and was forced by 6-hourly outputs of the latest ERA5 reanalysis between 1979 and March 2020. The first year was discarded as spin-up.