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Comment: update topo run instructions

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> gmake -f Makefile clean
> gmake -f Makefile

Put It is best to put the following in a script or be sure entire command is on one linetext file (e.g., called 'run_topo.sh') to run as a script:

> qcmd -l walltime=12:00:00 -l select=1:ncpus=1 -- ./cube_to_target --rrfac_manipulation
--grid_descriptor_file='/glade/work/emmons/tutorial_Nanjing/ne0np4.Nanjing.ne30x8/grids/Nanjing_ne30x8_np4_SCRIP.nc'
--intermediate_cs_name='/glade/campaign/cgd/amp/pel/topo/cubedata/gmted2010_modis_bedmachine-ncube3000-220518.nc'
--output_grid='Nanjing_ne30x8' --rrfac_max=8 --smoothing_scale=100.0 -u 'Louisa Emmons, emmons@ucar.edu' > out_Nanjing

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This can take several hours.  , so run the script in the background:

> nohup ./run_topo.sh &

Generate CTSM (CLM) surface datasets

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./xmlchange SSTICE_DATA_FILENAME='/glade/p/cesmdata/inputdata/atm/cam/sst/sst_HadOIBl_bc_1x1_1850_2021_c141021.nc'
./xmlchange SSTICE_YEAR_END=2021

OR

./xmlchange SSTICE_DATA_FILENAME='/glade/campaign/cgd/cas/asphilli/cam_input_data/sst_COBE-SST2_bc_0.9x1.25_1850_2024_c250627.nc'
./xmlchange SSTICE_YEAR_END=2024
./xmlchange SSTICE_MESH_FILENAME='/glade/campaign/cesm/cesmdata/inputdata/share/meshes/fv0.9x1.25_141008_polemod_ESMFmesh.nc'

NOTE: Model will regrid SST file to model grid, but the SSTICE_MESH file must match the grid of the SST file!

Using existing Nanjing_ne30x8 grid files

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