text: C--
  C--   /LMASKS/ Land masks
        common /LMASKS/ fmask_l, bmask_l
        real fmask_l(ix,il)                ! fraction of land
        real bmask_l(ix,il)                ! binary land mask
  C--
  C--   /LCLIM/ Monthly-mean climatological fields over land
        common /LCLIM/ stl12, snowd12, soilw12
        real   stl12(ix,il,12)             ! land surface temperature
        real snowd12(ix,il,12)             ! snow depth (water equiv.)
        real soilw12(ix,il,12)             ! soil water availability
  