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E3SMv1 (BGC)
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====================
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The `E3SM version 1 BGC simulation campaign <https://e3sm.org/research/bgc-and-energy/v1-bgc-and-energy/>`_ includes standard set of
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Coupled Model Intercomparison Project Phase 6 (`CMIP6 <https://www.geosci-model-dev.net/9/1937/2016/>`_)
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Diagnosis, Evaluation, and Characterization of Klima (DECK) simulations.
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These E3SM simulations at standard resolution have been completed and the data is publicly available.
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Data Resolution:
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The standard resolution configuration of E3SM v1.0 BGC configuration has approximate horizontal resolution of
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1 deg latitude by 1 deg longitude in atmosphere (110 km grid spacing),
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with ocean and sea ice grid of 60 km in the mid-latitudes and 30 km at the equator and poles,
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and river transport at 55 km horizontal resolution.
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This model configuration is described in
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`“v1 1 deg CMIP” <https://e3sm.org/model/scientifically-validated-configurations/v1-configurations/v1-1-deg-cmip6/>`_ page
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in `Scientifically Validated Configurations <https://e3sm.org/model/scientifically-validated-configurations/>`_.
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For more details,
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refer to `Coupled E3SM v1 Model Overview <https://e3sm.org/overview-paper-on-coupled-model/>`_ or to the reference papers:
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* *The DOE E3SM Coupled Model Version 1: Overview and Evaluation at Standard Resolution* `doi: 10.1029/2018MS001603 <https://doi.org/10.1029/2018MS001603>`_
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* *Description of historical and future projection simulations by the global coupled E3SMv1.0 model as used in CMIP6* `doi:10.5194/gmd-15-3941-2022 <https://doi.org/10.5194/gmd-15-3941-2022>`_
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* *Ensemble Spread Behavior in Coupled Climate Models: Insights From the Energy Exascale Earth System Model Version 1 Large Ensemble* `doi:10.1029/2023MS003653 <https://doi.org/10.1029/2023MS003653>`_
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* *The DOE E3SM Coupled Model Version 1: Description and Results at High Resolution* `doi:10.1029/2019MS001870 <https://doi.org/10.1029/2019MS001870>`_
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* *The DOE E3SM v1.1 Biogeochemistry Configuration: Description and Simulated Ecosystem-Climate Responses to Historical Changes in Forcing* `doi:10.1029/2019MS00176 <https://doi.org/10.1029/2019MS001766>`_
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Experiments:
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The datasets include the following experiments. Each case has a historical run and a ssp85 run. CTC and ETA are two approaches to modeling soil biogeochemistry. B and R refer to biogeochemical CO\ :sub:`2`\ and radiative CO\ :sub:`2`\ respectively. C and D refer to constant and diagnostic respectively. Please see section 4.1 "Experimental Design and Overview of the Simulations" and Table 3 "E3SMv1.1-BGC Simulations Overview" of the `relevant paper <https://agupubs.onlinelibrary.wiley.com/doi/full/10.1029/2019ms001766>`_ for more information.
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* CTC Control
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* E3SM_1_1_piControl (20181217.CNTL_CNPCTC1850_OIBGC.ne30_oECv3.edison)
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* E3SM_1_1_piControl-ext85yr (20191204.CNTL_CNPCTC1850_OIBGC.ne30_oECv3.compy)
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* CTC BCRC
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* E3SM_1_1_hist-BCRC (20181217.BCRC_CNPCTC20TR_OIBGC.ne30_oECv3.edison)
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* E3SM_1_1_ssp585-BCRC (20191107.BCRC_CNPCTC_SSP585_OIBGC.ne30_oECv3.compy)
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* CTC BCRD
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* E3SM_1_1_hist-BCRD (20181217.BCRD_CNPCTC20TR_OIBGC.ne30_oECv3.edison)
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* E3SM_1_1_ssp585-BCRD (20191204.BCRD_CNPCTC_SSP585_OIBGC.ne30_oECv3.compy, 20190812.BCRD_CNPCTC20TR_OIBGC.ne30_oECv3.compy/archive)
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* CTC BDRC
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* E3SM_1_1_hist-BDRC (20181217.BDRC_CNPCTC20TR_OIBGC.ne30_oECv3.edison)
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* E3SM_1_1_ssp585-BDRC (20191107.BDRC_CNPCTC_SSP585_OIBGC.ne30_oECv3.compy)
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* CTC BDRD
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* E3SM_1_1_hist-BDRD (20181217.BDRD_CNPCTC20TR_OIBGC.ne30_oECv3.edison)
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* E3SM_1_1_ssp585-BDRD (20191204.BDRD_CNPCTC_SSP585_OIBGC.ne30_oECv3.compy)
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* ECA Control
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* E3SM_1_1_ECA_piControl (20190308.CNTL.1850-2014)
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* E3SM_1_1_ECA_piControl-ext85yr (CNTL_CNPECACNT_SSP85.ne30_oECv3.cori-knl)
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* ECA BCRC
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* E3SM_1_1_ECA_hist-BCRC (BCRC_CNPECACNT_20TR.ne30_oECv3.edison, BCRC_CNPECACNT_20TR.ne30_oECv3.cori-knl)
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* E3SM_1_1_ECA_ssp585-BCRC (BCRC_CNPECACNT_SSP85.ne30_oECv3.cori-knl)
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* ECA BCRD
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* E3SM_1_1_ECA_hist-BCRD (BCRD_CNPECACNT_20TR.ne30_oECv3.edison, BCRD_CNPECACNT_20TR.ne30_oECv3.cori-knl)
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* E3SM_1_1_ECA_ssp585-BCRD (BCRD_CNPECACNT_SSP85.ne30_oECv3.cori-knl)
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* ECA BDRC
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* E3SM_1_1_ECA_hist-BDRC (20190308.BDRC.1850-2014)
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* E3SM_1_1_ECA_ssp585-BDRC (20191108.BDRC.SSP85)
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* ECA BDRD
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* E3SM_1_1_ECA_hist-BDRD (20190308.BDRD.1850-2014)
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* E3SM_1_1_ECA_ssp585-BDRD (20191108.BDRD.SSP85)
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.. toctree::
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:maxdepth: 2
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:caption: Contents:
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simulation_data/index
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***************
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Simulation Data
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***************
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The E3SMv1 simulation data is available on **NERSC HPSS**.
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All native model output data has also been archived on **NERSC HPSS** using `zstash <https://e3sm-project.github.io/zstash>`_.
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**If you have an account on NERSC**, you can retrieve the data locally or remotely using Globus.
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To download simulation data locally on a NERSC machine: ::
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zstash extract --hpss=<HPSS path in table>
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To download simulation data remotely using the zstash Globus interface: ::
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zstash extract --hpss=globus://nersc/<HPSS path in table>
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or ::
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zstash extract --hpss=globus://9cd89cfd-6d04-11e5-ba46-22000b92c6ec/<HPSS path below>
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Note that the data management tool `zstash <https://github.com/E3SM-Project/zstash>`_ is available from the `E3SM-Unified <https://github.com/E3SM-Project/e3sm-unified>`_ conda environment. An example of retrieving all **cam.h0** (monthly atmosphere output files) between **years 0030 and 0049** for the piControl simulation at NERSC locally is demonstrated as below in two steps:
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1. To activate E3SM-Unified environment by:
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::
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source /global/common/software/e3sm/anaconda_envs/load_latest_e3sm_unified_pm-cpu.sh
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2. To retrieve files with zstash command:
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::
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zstash ls --hpss=/home/projects/e3sm/www/BGC/E3SMv1/E3SM_1_1_piControl "*.cam.h3.18[5-6]?-??-??-?????.nc"
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For more information, refer to `zstash usage <https://e3sm-project.github.io/zstash/_build/html/master/usage.html#extract>`_.
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**If you do not have access to NERSC**, you can download simulation data directly through the NERSC HPSS
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`web interface <https://portal.nersc.gov/archive/home/projects/e3sm/www/BGC/E3SMv1>`_.
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Note that this will be slow and inefficient since you'll have to download the tar files.
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**v1.LR** simulations data has been archived on NERSC HPSS under: ::
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/home/projects/e3sm/www/BGC/E3SMv1/LR
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and **v1.HR** simulations data under: ::
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/home/projects/e3sm/www/BGC/E3SMv1/HR
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Scripts are not available to reproduce v1 simulations.
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Some original run scripts (the scripts that were originally used to create the simulations) have been archived here `here <https://github.com/E3SM-Project/e3sm_data_docs/tree/main/run_scripts/v1/original/>`_. If a script is not collected here, you can try looking for the provenance run script with:
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::
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zstash extract --hpss=/home/projects/e3sm/www/BGC/E3SMv1/<simulation_name>/ case_scripts/run_script_provenance/*
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.. toctree::
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:maxdepth: 2
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:caption: Contents:
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simulation_table

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