! add some special history fields: multi-layer snow fields, and a per-column forcing field
 hist_fincl1   += 'SNO_EXISTENCE', 'SNO_ABS', 'SNO_T:M', 'SNO_GS:X', 'QICE_FORC'
! similarly, add a glc-specific field to the second history tape
 hist_fincl2   += 'QICE'

! Set max snow persistence to a small number so that smb from bare land can potentially be triggered
 glc_snow_persistence_max_days = 2
