Table 4.

Description of the Simulations Performed in This Study

Simulation name	Description
NOHALO	No halogen chemistry and no updates included
SURFACE	Only surface activation mechanism implemented (as described by Toyota et al. (2011))
BLOWING	Only blowing snow parameterization included (as proposed by Yang et al. (2008) using parameters from Huang and Jaeglé (2017))
BOTH	Both SURFACE and BLOWING mechanisms operating

Abbreviations: BOTH, one simulation; NOHALO, simulation with no halogen chemistry and no updates implemented.