! user_nl_clm namelist options written by PTCLMmkdata:
! ../PTCLMmkdata --pftgrid --soilgrid --verbose --donot_use_tower_yrs --clmnmlusecase=20thC_transient --crop --ctsm_root $CTSMROOTDIR -s US-UMB -d $DIN_LOC_ROOT --debug --sdate 140204 --map_gdate 140204 --mydatadir testing_dir/global_surfdata_create 
 fsurdat = '$CTSMROOTDIR/tools/PTCLM/test/testing_dir/global_surfdata_create/1x1pt_US-UMB/surfdata_1x1pt_US-UMB140204_simyr1850_140204.nc'
 flanduse_timeseries = $CTSMROOTDIR/tools/PTCLM/test/testing_dir/global_surfdata_create/1x1pt_US-UMB/landuse.timeseries_1x1pt_US-UMB_hist140204_simyr1850-2015_140204.nc
 hist_nhtfrq = 0
 hist_mfilt  = 1200
