Comments (10)
Hi @lma6, thanks for writing. The carbon simulation is not yet available in GCHP. See #339 to track progress. We plan to release it as part of GCHP 14.4.0 at which point there will be GCHP carbon restart files available.
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@lizziel Thanks you so much!
How about "CO2 w/ CMS-Flux emissions & MERRA2"? Is the simulation available? If so, which restart files should be used? I searched through all subdirectories of GEOSCHEM_RESTARTS, and just could not find one matching "GEOSChem.Restart.20190701_0000z.c24.nc4".
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The GCHP CO2 simulation has been available for testing but is not yet supported. Your quotes around "CO2 w/ CMS-Flux emissions & MERRA2" indicate you got it from documentation. Could you point me to that?
It turns out carbon restart files for GCHP were generated but are not synced to the WashU location for download. We will work on getting those to WashU. The carbon simulation in GCHP prior to 14.4, however, is beta and not validated.
Also note that you can generate GCHP restart files from GC-Classic restart files following instructions on GCPy ReadTheDocs.
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The files should be available at http://geoschemdata.wustl.edu/ExtData/GEOSCHEM_RESTARTS/v2023-01/. Could you try again to download?
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The "CO2 w/ CMS-Flux emissions & MERRA2" is not from any documentation; it refers to the simulation settings chosen when running 'createRunDir.sh'. Specifically, selecting '3. CO2 with CMS-Flux emissions' as the simulation type and '1. MERRA-2' for meteorology. Apologies for any confusion. So this simulation is still under testing?
I received a 'Forbidden' error when attempting to access the file http://geoschemdata.wustl.edu/ExtData/GEOSCHEM_RESTARTS/v2023-01/GEOSChem.Restart.carbon.20190101_0000z.c24.nc4.
Could you advise on how to configure GC-Classic to generate the restart files? Should I just disable 'GC_RESTART' in the HEMCO_Config file? Then use GCPy to convert it to c24 type? I wonder if there is detailed tutorials about this.
Thank you!!!
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Hi @lma6, you should be able to download the carbon restart file and we should fix it if you can't. What command are you using to download. Tagging @yidant who can help if there are permissions issues at WashU.
Yes, the CO2 with CMS-Flux emissions option was a specialty simulation added by someone in the GEOS-Chem community for GCHP adjoint testing. Apologies for the confusion. In retrospect I think we should have added a note that it is not supported. Feel free to try to use it but I would recommend waiting for the GCHP carbon simulation release in 14.4.0 which is just a month or so away.
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Could you advise on how to configure GC-Classic to generate the restart files? Should I just disable 'GC_RESTART' in the HEMCO_Config file? Then use GCPy to convert it to c24 type? I wonder if there is detailed tutorials about this.
GC-Classic runs will generate GC-Classic restart files, and you can convert any of them to GCHP restart files by regridding using the GCPy python package. See my earlier link to GCPy ReadTheDocs page on regridding. You can also take the default restart file for GC-Classic and regrid that for GCHP, thereby bypassing running GC-Classic. Note that the GC-Classic and GCHP restart files have differences beyond horizontal grid, such as the direction of the vertical grid (GCHP restart TOA is level 1 while GC-Classic surface is level 1) and variables names (GCHP uses prefix SPC_ for all species). For this reason you should convert the files using GCPy.
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I tried to downloaded it using wget. Please see the attached screenshot for the error.
Thank you for clarifying the CO2 aspects with the CMS-Flux simulation.
I successfully ran GC-Classic to generate restart files this morning, but I still encountered a 'Segmentation fault' error when running gcpy.file_regrid to convert the data to either a c24 cubed-sphere or a lat-lon grid. I will try to debug this issue first.
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Hi @lma6 ! I re-uploaded these files. I wouldn't receive any error now. Could you try downloading again?
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@yidant It works now. Thank you!
@lizziel I think you can close this issue. Thank you so much for the help!!!
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Related Issues (20)
- Using gcchem_internal_checkpoint for grid-stretching simulation but fails with 'Factories not equal' error. HOT 17
- Wrong surface type field when using raw meteorology file HOT 7
- [SUBMODULE UPDATES] MAPL fix for restarting with stretched grid checkpoints HOT 1
- GCHP carbon simulations with CH4 take much longer than simulations without CH4 HOT 14
- Using a new inventory in ExtData.rc HOT 8
- GCHP 14.3.1 out of memory when writing checkpoint files HOT 12
- Error with CMIP6 file HOT 26
- ERROR during 'Initialize' stage of the gridded component 'EXTDATA' HOT 6
- Transport Budget Diagnostics at surface level for GCHP14.3.1 C180 simulation are all zero HOT 7
- error running carbon simulation HOT 16
- Segmentation fault - invalid memory reference in mapl_capmod_MOD_run_model HOT 2
- GCHP Carbon and CO2 simulations HOT 3
- MAPL submodule updates HOT 1
- GCHP Aerosol Mass Cannot Simulate own Emission Inventories HOT 18
- Transporting species initialized in a gridded component outside GeosChem HOT 3
- ERROR: cannot find export DryPLEPut a one-line description here HOT 5
- Use of bashdatacatalog to find invalid files HOT 4
- Requested sample not found in file HOT 5
- Retire simulation type "CO2 w/ CMS-Flux emissions" from GCHP run directory creation
- Carbon simulation - new restart files needed for GCHP HOT 13
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