b.e30_alpha07g.BHISTC_LTso.ne30_t232_wgx3.276_4xco2

[cecilehannay]

Purpose:
4xco2 for 276

---

Description:

Same as 276 (#241)

• add to user_nl_cam

flbc_cycle_yr		= 1
flbc_file		= '/glade/campaign/cesm/cesmdata/cseg/inputdata/atm/waccm/lb/LBC_CMIP6abrupt4xCO2_cyclicalYear1_0p5degLat_c180929.nc'

• hybrid from 276 at year 41

./xmlchange RUN_REFCASE=b.e30_alpha07g.B1850C_LTso.ne30_t232_wgx3.276
./xmlchange RUN_REFDATE=0041-01-01
./xmlchange  RUN_TYPE=hybrid

---

Case directory:

• Locally (if still available):
  /glade/campaign/cesm/cesmdata/cseg/runs/cesm2_0/b.e30_alpha07g.BHISTC_LTso.ne30_t232_wgx3.2716_4xco2

• On github:
  https://github.com/NCAR/cesm_dev/tree/b.e30_alpha07g.BHISTC_LTso.ne30_t232_wgx3.276_4xco2

---

Sandbox:

• Locally (if still available): /glade/work/hannay/cesm_tags/cesm3_0_alpha07g

• On github: https://github.com/ESCOMP/cesm/tree/cesm3_0_alpha07g

---

Diagnostics:

• Diags (if available):
  https://webext.cgd.ucar.edu/BLT1850/b.e30_alpha07g.BHISTC_LTso.ne30_t232_wgx3.276_4xco2/

---

Output:

• Raw output on derecho (if still available): /glade/derecho/scratch/hannay/archive/b.e30_alpha07g.BHISTC_LTso.ne30_t232_wgx3.276_4xco2/
• CAM Climos: /glade/campaign/cgd/amp/amwg/climo/b.e30_alpha07g.BHISTC_LTso.ne30_t232_wgx3.276_4xco2

---

Contacts:
@cecilehannay @dlawrenncar @adamrher @PeterHjortLauritzen @JulioTBacmeister @swrneale @slevis-lmwg @wwieder @olyson @gustavo-marques @iangrooms @fobryan3 @klindsay28 @dabail10 @duvivier @tilmes @mbramberger @dmleung

---

Extra details:

[cecilehannay]

I hit the error

dec1006.hsn.de.hpc.ucar.edu 439:  ERROR(rrtmgp_lw_main_gas_optics):
dec1006.hsn.de.hpc.ucar.edu 439:  gas_optics(): array tsfc has values outside range
dec1006.hsn.de.hpc.ucar.edu 439:  radiation_tend: gas_optics(): array tsfc has values outside range

at year 37 despite using:

/glade/campaign/cesm/cesmdata/cseg/runs/cesm2_0/b.e30_alpha07g.B1850C_LTso.ne30_t232_wgx3.276_4xco2/SourceMods/src.clm/CanopyFluxesMod.F90

I restarted the run with a gamma_coef perturbation:

 clubb_gamma_coef = 0.3-> 0.3000001

[cecilehannay]

Another crash in year 84 with:

dec0612.hsn.de.hpc.ucar.edu 439:  ERROR(rrtmgp_lw_main_gas_optics):
dec0612.hsn.de.hpc.ucar.edu 439:  gas_optics(): array tsfc has values outside range
dec0612.hsn.de.hpc.ucar.edu 439:  radiation_tend: gas_optics(): array tsfc has values outside range

I restarted the run with a gamma_coef perturbation:

 clubb_gamma_coef = 0.3000001 -> 0.3

[cecilehannay]

Another crash in year 110 with:

dec0298.hsn.de.hpc.ucar.edu 439:  ERROR(rrtmgp_lw_main_gas_optics):
dec0298.hsn.de.hpc.ucar.edu 439:  gas_optics(): array tsfc has values outside range
dec0298.hsn.de.hpc.ucar.edu 439:  radiation_tend: gas_optics(): array tsfc has values outside range

[phillips-ad]

CVDP diagnostics comparing 268, 271, 274 and 276 piControls, 271 and 276 historicals, and 271 and 276 4xCO2:
https://webext.cgd.ucar.edu/BLT1850/b.e30_alpha07g.B1850C_LTso.ne30_t232_wgx3.276/cvdp/index.html

[olyson]

Note that the tsfc errors caused by CTSM are being diagnosed here:

ESCOMP/CTSM#3589