c
c=======================================================================
c  Include file "voldat.h"
c=======================================================================
c
#ifndef rmdocinc
c  Volume data used when Shapiro filter is activated.
c
c  BKEEP   storage array for slab alignment.
c  XT      tracer fields at TAU+1 time level.
#  if defined pressbias & defined shapiro & defined shapmean
c  XT0     storage array for removing "bias" from tracer fields
#  endif
c  XU      zonal internal mode velocity at TAU+1 time level.
c  XV      meridional internal mode velocity at TAU+1 time level.
c
c=======================================================================
c
#endif
      common /voldat/ xt,xu,xv,bkeep
#if defined pressbias & defined shapiro & defined shapmean
     *                ,xt0
#endif
      FLOAT 
     *      xt(nwds,km,nt),xu(nwds,km),xv(nwds,km),bkeep(nwds,lbc)
#if defined pressbias & defined shapiro & defined shapmean
     *      ,xt0(imt,jmt,km,nt)
#endif