integer iflag_thermals,nsplit_thermals
      real r_aspect_thermals,l_mix_thermals,tho_thermals
      integer w2di_thermals,isplit

      common/ctherm1/iflag_thermals,nsplit_thermals
      common/ctherm2/r_aspect_thermals,l_mix_thermals,tho_thermals
      common/ctherm3/w2di_thermals