b.e30_beta04.BLT1850.ne30_t232_wgx3.121_4xco2

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#36 opened on Feb 10, 2025 2 comments 0 reactions 0 assignees View on GitHub

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Assessment

Difficulty: 5/5
Estimated time: Over a week
Newbie friendliness: 15/100

Issue type: Feature
Clarity: Needs clarification
Activity status: Stale
Domain: hpc

Research direction

Start by comparing this issue with #34 and reviewing the cesm3_0_beta04 sandbox and the b.e30_beta04.BLT1850.ne30_t232_wgx3.121_4xco2 case directory. Check the RUN_REFCASE, RUN_REFDATE, RUN_TYPE, GET_REFCASE, and RUN_REFDIR settings, then inspect user_nl_cam and user_nl_mom. The documented case and permanent output locations show the expected completed run.

Written by the indexing model from the issue text.

Description

Purpose:

4xco2 to assess climate sensitivity in 121 configuration

Description:

Same as #34 except:

Start from b.e30_beta04.BLTHIST.ne30_t232_wgx3.121 at yr 125

./xmlchange RUN_REFCASE=b.e30_beta04.BLT1850.ne30_t232_wgx3.121
./xmlchange RUN_REFDATE=0125-01-01
./xmlchange  RUN_TYPE=hybrid
./xmlchange  GET_REFCASE=true
./xmlchange  RUN_REFDIR=cesm2_init

4xco2 flbc in user_nl_cam

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

turn off CHECK_BAD_SURFACE_VALS in user_nl_mom
This prevents crashes.

CHECK_BAD_SURFACE_VALS = FALSE

Case directory:

Locally (if still available):
/glade/campaign/cesm/cesmdata/cseg/runs/cesm2_0/b.e30_beta04.BLT1850.ne30_t232_wgx3.121_4xco2
On github:
https://github.com/NCAR/cesm_dev/tree/b.e30_beta04.BLT1850.ne30_t232_wgx3.121_4xco2

Sandbox:

Locally (if still available): /glade/work/hannay/cesm_tags/cesm3_0_beta04
On github: https://github.com/ESCOMP/cesm/tree/cesm3_0_beta04

Diagnostics:

Diags (if available):
https://webext.cgd.ucar.edu/BLT1850/b.e30_beta04.BLT1850.ne30_t232_wgx3.121_4xco2/

Output:

Raw output on derecho (if still available): /glade/derecho/scratch/hannay/archive/b.e30_beta04.BLT1850.ne30_t232_wgx3.121_4xco2/
A permanent copy of the output was saved:
/glade/campaign/cesm/development/cross-wg/b.e30_beta04.BLT1850.ne30_t232_wgx3.121_4xco2
CAM Climos: /glade/campaign/cgd/amp/amwg/climo/b.e30_beta04.BLT1850.ne30_t232_wgx3.121_4xco2

Contacts:
@cecilehannay @islasimpson @dlawrenncar @adamrher @PeterHjortLauritzen @JulioTBacmeister @wwieder @gustavo-marques

Extra details:

Dominant language: No language data
Stars: 11
Forks: 3
PR merge metrics: No merged PRs in 30d

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