CESM
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= Model description = |
= Model description = |
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| − | '''*** IMPORTANTE: PAGINA EN CONSTRUCCION***'' |
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The Community Earth System Model ([http://www.cesm.ucar.edu/models/cesm2/ CESM]) is a fully-coupled, community, global climate model that provides state-of-the-art computer simulations of the Earth's past, present, and future climate states. The CESM project is supported primarily by the National Science Foundation (NSF). Administration of the CESM is maintained by the Climate and Global Dynamics Laboratory (CGD) at the National Center for Atmospheric Research (NCAR). |
The Community Earth System Model ([http://www.cesm.ucar.edu/models/cesm2/ CESM]) is a fully-coupled, community, global climate model that provides state-of-the-art computer simulations of the Earth's past, present, and future climate states. The CESM project is supported primarily by the National Science Foundation (NSF). Administration of the CESM is maintained by the Climate and Global Dynamics Laboratory (CGD) at the National Center for Atmospheric Research (NCAR). |
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For the latest CESM release and CESM2 components see [http://www.cesm.ucar.edu/models/cesm2/whatsnew.html CESM2 documentation]. |
For the latest CESM release and CESM2 components see [http://www.cesm.ucar.edu/models/cesm2/whatsnew.html CESM2 documentation]. |
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| − | = Downloading CESM2 = |
+ | = Installation = |
| − | + | Follow to this [[CESMInstall WIKI CESM - hydra]] to see how the installation in CIMA's hydra was done. |
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| − | Following [https://escomp.github.io/cesm/release-cesm2/downloading_cesm.html CESM2 Quick Start Guide] and [https://github.com/ESCOMP/cesm#committing-your-change-to-externals-cfg CESM2 github instructions]. |
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| − | == Clone the repository == |
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| − | <pre> |
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| − | git clone -b release-cesm2.2.2z https://github.com/ESCOMP/CESM.git my_cesm_sandbox |
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| − | git clone -b release-cesm2.2.2 git@github.com:ESCOMP/CESM.git my_cesm_sandbox |
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| − | </pre> |
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| − | <!-- git clone https://github.com/escomp/cesm.git my_cesm_sandbox --> |
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| − | This will create a directory my_cesm_sandbox/ in your current working directory. |
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| − | == Checkout the CESM tag == |
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| − | * Go into the newly created CESM repository |
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| − | <pre> |
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| − | cd my_cesm_sandbox |
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| − | </pre> |
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| − | * Determine what version of CESM you want. To see what versions of CESM2 are available, |
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| − | <pre> |
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| − | git tag --list 'release-cesm2*' |
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| − | </pre> |
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| − | * Checkout a specific CESM release tag type, for example CESM2.1.0: |
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| − | <pre> |
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| − | git checkout release-cesm2.1.0 |
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| − | </pre> |
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| − | '''NOTE:''' the latest release might not be available yet for public use and this might cause issues in the next step, forcing you to need to start over. See the note in the next step for more information. |
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| − | == Run checkout_externals == |
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| − | To checkout all the individual model components, run the script ''./manage_externals/checkout_externals''. |
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| − | * This script requires Python 2.7.x (installed in HYDRA ''/share/anaconda2/bin/'') to run, so we need to change the Python interpreter in the header of ''checkout_externals''. To do so: |
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| − | <pre> |
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| − | sed -i -e 's!/usr/bin/env python!/share/anaconda2/bin/python!' ./manage_externals/checkout_externals |
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| − | </pre> |
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| − | * Now run the script from ''/path/to/my_cesm_sandbox'': |
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| − | <pre> |
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| − | ./manage_externals/checkout_externals |
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| − | </pre> |
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| − | '''NOTE:''' If you experience problems such as ''checkout_externals'' hanging it is likely that is because you asked the checkout of the latest version which is not yet available for public usage, as suggested in this [https://bb.cgd.ucar.edu/password-download CESM forum discussion]: |
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| − | <pre> |
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| − | [gabriela.raggio@hydra my_cesm_sandbox]$ ./manage_externals/checkout_externals |
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| − | Processing externals description file : Externals.cfg |
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| − | Processing externals description file : Externals_CLM.cfg |
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| − | Checking status of externals: clm, fates, ptclm, mosart, ww3, cime, |
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| − | cice, pop, cism, rtm, cam, |
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| − | Checking out externals: clm, mosart, ww3, Password for 'gabriela.raggio': |
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| − | Command 'svn checkout --quiet |
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| − | https://svn-ccsm-models.cgd.ucar.edu/ww3/trunk_tags/ww3_190402 |
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| − | /home/gabriela.raggio/my_cesm_sandbox/components/ww3' |
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| − | from directory /home/gabriela.raggio/my_cesm_sandbox |
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| − | has taken 300 seconds. It may be hanging. |
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| − | The command will continue to run, but you may want to abort |
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| − | manage_externals with ^C and investigate. A possible cause of hangs is |
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| − | when svn or git require authentication to access a private |
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| − | repository. On some systems, svn and git requests for authentication |
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| − | information will not be displayed to the user. In this case, the program |
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| − | will appear to hang. Ensure you can run svn and git manually and access |
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| − | all repositories without entering your authentication information. |
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| − | </pre> |
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| − | In my case, I was trying to checkout release-cesm2.1.1. I solved this by starting over. I deleted the previous git clone and made a new git clone (named ''CESM210''). In the new git clone I made a checkout of a previous release (release-cesm2.1.0). After doing so, I had no issues running the ''checkout_externals'' as explained here. |
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| − | * To confirm a successful download of all components: |
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| − | <pre> |
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| − | ./manage_externals/checkout_externals -S |
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| − | </pre> |
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| − | This should show a clean status for all externals, with no characters in the first two columns of output, as in this example |
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| − | <pre> |
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| − | [gabriela.raggio@hydra CESM210]$ ./manage_externals/checkout_externals -S |
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| − | Processing externals description file : Externals.cfg |
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| − | Processing externals description file : Externals_CLM.cfg |
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| − | Processing externals description file : Externals_POP.cfg |
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| − | Processing externals description file : Externals_CISM.cfg |
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| − | Checking status of externals: clm, fates, ptclm, mosart, ww3, cime, cice, pop, cvmix, marbl, cism, source_cism, rtm, cam, |
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| − | ./cime |
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| − | ./components/cam |
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| − | ./components/cice |
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| − | ./components/cism |
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| − | ./components/cism/source_cism |
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| − | ./components/clm |
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| − | ./components/clm/src/fates |
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| − | ./components/clm/tools/PTCLM |
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| − | ./components/mosart |
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| − | ./components/pop |
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| − | ./components/pop/externals/CVMix |
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| − | ./components/pop/externals/MARBL |
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| − | ./components/rtm |
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| − | ./components/ww3 |
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| − | </pre> |
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| − | If this is the case, at this point you have a working version of CESM. |
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| − | = Defining the machine = |
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| − | http://esmci.github.io/cime/versions/master/html/users_guide/machine.html |
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| − | = Porting and validating CIME on a new platform = |
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| − | http://esmci.github.io/cime/versions/master/html/users_guide/porting-cime.html |
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| − | = Downloading the Input data = |
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| − | Input datasets are needed to run the model. CESM input data are available through a separate Subversion input data repository. |
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| − | * Change ''check_input_data'' header so it runs with Python 2.7.x version: |
+ | = Use = |
| − | <pre> |
+ | Follow to this [[CESMuse WIKI CESM - hydra]] to see how to use CESM in CIMA's hydra. |
| − | sed -i -e 's!/usr/bin/env python!/share/anaconda2/bin/python!' ./cime/scripts/Tools/check_input_data |
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| − | </pre> |
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Última revisión de 11:26 13 mayo 2024
[editar] Model description
The Community Earth System Model (CESM) is a fully-coupled, community, global climate model that provides state-of-the-art computer simulations of the Earth's past, present, and future climate states. The CESM project is supported primarily by the National Science Foundation (NSF). Administration of the CESM is maintained by the Climate and Global Dynamics Laboratory (CGD) at the National Center for Atmospheric Research (NCAR).
For the latest CESM release and CESM2 components see CESM2 documentation.
[editar] Installation
Follow to this CESMInstall WIKI CESM - hydra to see how the installation in CIMA's hydra was done.
[editar] Use
Follow to this CESMuse WIKI CESM - hydra to see how to use CESM in CIMA's hydra.
