cancel var/all
cancel data/all
cancel mode metafile

define viewport/xlim=0.,1./ylim=0.6,1   V1
define viewport/xlim=0.,1./ylim=0.3,0.7 V2
define viewport/xlim=0.,1./ylim=0.,0.4  V3

file/skip=1/var=v1,v2,v3,v4,v5,v6,v7,v8,v9 co2.log
set viewport V1
plot/nolabel v4
ppl xlab "atmopheric pco2"
ppl plot
plot/o v4[i=@SBX:12]
set viewport V2
plot/nolabel  v7
ppl xlab "PISCES Flux"
ppl plot
plot/o  v7[i=@SBX:12]
set viewport V3
plot/nolabel  v8
ppl xlab "ORCHIDEE Flux"
ppl plot
plot/o  v8[i=@SBX:12]