Reduce verbosity of isotope messages

[samsrabin]

cesm.log for some tests is filled with lines like this:

dec0965.hsn.de.hpc.ucar.edu 878:  13_CMIP7_global_1700-2023_yearly_v3.0_c251013.nc
dec0966.hsn.de.hpc.ucar.edu 907:  C14 atmospheric data will be read in using the streams method from file: /glade
dec0967.hsn.de.hpc.ucar.edu 1032:  /campaign/cesm/cesmdata/inputdata/lnd/clm2/isotopes/ctsmforc.Graven.atm_delta_C
dec0973.hsn.de.hpc.ucar.edu 1160:  /campaign/cesm/cesmdata/inputdata/lnd/clm2/isotopes/ctsmforc.Graven.atm_delta_C
dec1568.hsn.de.hpc.ucar.edu 1311:  C14 atmospheric data will be read in using the streams method from file: /glade
dec1717.hsn.de.hpc.ucar.edu 1420:  /campaign/cesm/cesmdata/inputdata/lnd/clm2/isotopes/ctsmforc.Graven.atm_delta_C
dec1948.hsn.de.hpc.ucar.edu 1609:  C14 atmospheric data will be read in using the streams method from file: /glade
dec1969.hsn.de.hpc.ucar.edu 1694:  /campaign/cesm/cesmdata/inputdata/lnd/clm2/isotopes/ctsmforc.Graven.atm_delta_C
dec2224.hsn.de.hpc.ucar.edu 1813:  /campaign/cesm/cesmdata/inputdata/lnd/clm2/isotopes/ctsmforc.Graven.atm_delta_C
dec0944.hsn.de.hpc.ucar.edu 138:  Read in atmospheric C14 data from streams
dec0945.hsn.de.hpc.ucar.edu 281:  14_CMIP7_360x720_1700-2023_yearly_v3.0_tweaked_latlons_c260108.nc
dec0946.hsn.de.hpc.ucar.edu 452:  C14 atmospheric data will be read in using the streams method from file: /glade
dec0948.hsn.de.hpc.ucar.edu 522:  Read in atmospheric C14 data from streams
dec0964.hsn.de.hpc.ucar.edu 647:  /campaign/cesm/cesmdata/inputdata/lnd/clm2/isotopes/ctsmforc.Graven.atm_delta_C
dec0965.hsn.de.hpc.ucar.edu 878:  C14 atmospheric data will be read in using the streams method from file: /glade
dec0966.hsn.de.hpc.ucar.edu 907:  /campaign/cesm/cesmdata/inputdata/lnd/clm2/isotopes/ctsmforc.Graven.atm_delta_C
dec0967.hsn.de.hpc.ucar.edu 1032:  14_CMIP7_360x720_1700-2023_yearly_v3.0_tweaked_latlons_c260108.nc
dec0973.hsn.de.hpc.ucar.edu 1160:  14_CMIP7_360x720_1700-2023_yearly_v3.0_tweaked_latlons_c260108.nc
dec1568.hsn.de.hpc.ucar.edu 1311:  /campaign/cesm/cesmdata/inputdata/lnd/clm2/isotopes/ctsmforc.Graven.atm_delta_C
dec1717.hsn.de.hpc.ucar.edu 1420:  14_CMIP7_360x720_1700-2023_yearly_v3.0_tweaked_latlons_c260108.nc
dec1948.hsn.de.hpc.ucar.edu 1609:  /campaign/cesm/cesmdata/inputdata/lnd/clm2/isotopes/ctsmforc.Graven.atm_delta_C
dec1969.hsn.de.hpc.ucar.edu 1694:  14_CMIP7_360x720_1700-2023_yearly_v3.0_tweaked_latlons_c260108.nc
dec2224.hsn.de.hpc.ucar.edu 1813:  14_CMIP7_360x720_1700-2023_yearly_v3.0_tweaked_latlons_c260108.nc
dec0944.hsn.de.hpc.ucar.edu 139:  C13 atmospheric data will be read in using the streams method from file: /glade
dec0945.hsn.de.hpc.ucar.edu 281:  Read in atmospheric C14 data from streams
dec0946.hsn.de.hpc.ucar.edu 452:  /campaign/cesm/cesmdata/inputdata/lnd/clm2/isotopes/ctsmforc.Graven.atm_delta_C

These should happen for at most one task, not every task.

[ekluzek]

Thanks for noticing. The write must be outside a "if ( masterproc )then" structure, like it should have been.