vo    => voc                    is on
nv    => voc                    is off
r     => rtm                    is on
nr    => rtm                    is off
per   => pergro                 is on
sc    => standalone clm         is on
van   => VANCOUVER              is on
mex   => MEXICOCITY             is on
mec10 => Glacier multiple elev classes = 10, green-land 20km mask
snf   => snicar_frc             is on

_cn   => bgc is in cn   mode
_cndv => bgc is in cndv mode
_cnc13=> bgc is in cn   mode with C13 on as well
_cnnf => bgc is in cn   mode with NOFIRE turned on as well
_casa => bgc is in casa mode
_cncrp=> bgc is in cn   model with crop on

_dh   => debug on, hybrid   on
_dm   => debug on, mpi only on 
_do   => debug on, omp only on
_do   => debug on, serial mode (neither mpi nor omp)

_h    => debug off, hybrid   on
_m    => debug off, mpi only on
_o    => debug off, omp only on
_s    => debug off, serial mode (neither mpi nor omp)

tools__ds => options for tools, debug on, serial mode
tools__do => options for tools, debug on, omp only on
tools__o  => options for tools, debug off, omp only on
