E3SM-Project/E3SM: E3SM v1.1
Creators
- jedwards4b
- James Foucar1
- Azamat Mametjanov
- Robert Jacob2
- Mark Taylor
- singhbalwinder
- Bill Sacks3
- mvertens
- Jon Wolfe4
- jayeshkrishna
- Kevin Paul5
- noel6
- fischer-ncar
- Ed Hartnett7
- Michael Deakin
- onguba
- Doug Jacobsen8
- Jay Shollenberger9
- susburrows
- Andreas Wilke
- Alice Bertini3
- Jeffrey Johnson10
- jqyin
- Matt Norman11
- Kate Thayer-Calder3
- Mark Petersen12
- Benjamin R. Hillman
- Jason Sarich2
- Andy Salinger13
- Peter Thornton14
- 1. Sandia National Labs
- 2. Argonne National Laboratory
- 3. NCAR
- 4. LANL
- 5. National Center for Atmospheric Research
- 6. LBNL
- 7. CIRES, University of Colorado
- 8. Intel Corporation
- 9. University Corporation for Atmospheric Research
- 10. Lawrence Berkeley National Laboratory
- 11. Oak Ridge National Laboratory @olcf @E3SM-Project
- 12. Los Alamos National Laboratory
- 13. SNL
- 14. Oak Ridge National Laboratory
Description
First release of E3SM v1.1
DO NOT download the .zip or .tar.gz files included here. They do not contain all of the code. Use "git clone --recursive" instead.
This release includes scientifically-validated tunings of the E3SM Land Model (ELM) and E3SM Atmosphere Model (EAM) for coupled simulations with active land, ocean, and sea ice biogeochemistry, for ELM configurations using the CTC approach to representing nutrient competition.
Additional diagnostic variables have been made available as history variables from the ELM, and from the MPAS-Ocean and MPAS-Seaice biogeochemistry modules, in order to improve consistency with the output variable requests of the Coupled Climate Carbon Cycle Model Intercomparison Project (C4MIP), and to support improved analysis of the land, ocean, and sea ice carbon cycles.
The atmosphere models prognostic CO2 code has been updated to enable regridding of anthropogenic CO2 emission files to the E3SMs native spectral element grid. Note that (1) the prognostic CO2 configuration of E3SM has not been scientifically validated, and (2) the regridding of emission files as currently implemented is not mass-conserving and is intended as a temporary workaround. We do not advise using E3SMv1.1 for fully-coupled carbon cycle simulations where mass conservation is critical, but it is suitable for enabling use of the 3D CO2 tracer for diagnostic and testing purposes.
Several bugs found after v1.0 have been fixed in this tag and changes made to default settings, including: EAM: adding limiters to avoid bad extrapolation in RRTMG, fixing an error in the calculation of NIR reflectance that affects cloud fields derived from MODIS simulator. ELM: fixing surface water and lakes, increasing the land field name size, fixing a memory leak in ELM CNStateType, fixing a snow compaction bug that was resulting in sporadic unphysical snow depths, adding a water budget in the land model (and fixing a water conservation error) MPAS-O: preventing thermo energy conservation errors by lowering the permitted surface flux error in the mushy layer picard iteration to 0.9*ferrmax, fixing a small bug in marine BGC, MPAS-SeaIce: Turning off mpas-seaice history files by default MOSART: Replacing the low-res (half-degree) MOSART file
In addition, the budget output has been turned on by default for any fully coupled case, and CIME was modified to remove a bad term from E3SM water budgets. The CCSM_CO2_PPMV is now set correctly in BGC cases. A bugfix for the IEFLX output is included and the timestep for the EC60to30 mesh has been updated. Finally, a number of minor bugfixes and technical improvements have been introduced in the EAM, ELM and MPAS-Ocean models.
Machine updates for cascade, edison, eos, cori are included.
Files
E3SM-Project/E3SM-v1.1.0.zip
Files
(23.5 MB)
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Additional details
Related works
- Is supplement to
- https://github.com/E3SM-Project/E3SM/tree/v1.1.0 (URL)