 third step of replacing 3D versions of UICE,VICE,HEFF,AREA by 2D  versions. remove/rename a few temporary fields, that are no longer  needed. fldNm1 is now in a local common block, but I don't think that  this is necessary. To be decided by better men than me.
 third step of replacing 3D versions of UICE,VICE,HEFF,AREA by 2D
 versions.
remove/rename a few temporary fields, that are no longer
 needed. fldNm1 is now in a local common block, but I don't think that
 this is necessary. To be decided by better men than me.

altMITgcm/MITgcm66h,altMITgcm/MITgcm66h,altMITgcm/MITgcm66h,altMITgcm/MITgcm66h,altMITgcm/MITgcm66h,altMITgcm/MITgcm66h,altMITgcm/MITgcm66h,altMITgcm/MITgcm66h