# Age Tracer set-up: No initial file means Age Tracer
# is automatically initialized uniformely to zero. 
 &PTRACERS_PARM01
 PTRACERS_numInUse=1,
 PTRACERS_advScheme=33,
 PTRACERS_diffKh=0.E3,
 PTRACERS_diffKr=3.E-5,
#PTRACERS_initialFile='Your_IC_file.bin',
 PTRACERS_names(1)='Age_tracer',
 &