Three new model components are included in the E3SM v1 configuration: Model for Prediction Across Scales (MPAS) Ocean, MPAS Sea Ice, and MPAS Land Ice. Pictured here is global E3SM simulation showing eddy activity.
Credit: M. Petersen, P. Wolfram and T. Ringler
DOE's E3SM is a state-of-the-science Earth system model development and simulation project to investigate energy-relevant science using code optimized for DOE's advanced computers

AGU 2023 E3SM Town Hall “A Decade of Earth System Modeling Effort at the DOE”

The recording of the presentation on “E3SM as an Open Science Model Development Project” from the AGU 2023 Town Hall: “E3SM: A Decade of Earth System Modeling Effort at the Department of Energy” can be found on E3SM YouTube channel at: (This is a portion of the Town Hall presentation that was not presented at AGU on 12/12/23 due to time limitation.) The pdf of this presentation is available here and the full Town Hall presentation can be found here.

E3SM Version 2.1 is released

Version 2.1 of the Energy Exascale Earth System Model was formally frozen and tagged in the project repository on January 12, 2023. After this date, only maintenance and bug-fix updates will be made to this version and are available in the maint-2.1 branch.  Users of v2.1 are requested to delay submitting papers that use this new version until the project submits its initial v2.1 publication, thereby creating a peer-reviewed article for reference.

We ask v2.0 users to cite the main overview paper and the source code in their publications.

E3SM “FloatingPoints” Quarterly Newsletter

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Featured Stories

Xujing Davis, E3SM Program Manager, DOE BER

From Program Manager

Xujing Davis presents news about E3SM and DOE >>

E3SM Wins Gordon Bell

E3SM wins the prestigious Gordon Bell Prize for Climate Modeling >>

E3SM Data Release

The E3SM project’s Data Publication Team published several new datasets >>

E3SM Leadership Meeting

The team discussed the current status of the project and future plans >>

E3SM Video

New 2023 E3SM Overview publicity video features E3SM Executive Committee >>

E3SM Tutorial Workshop

E3SM announced the first ever in-person the E3SM Tutorial Workshop at NERSC >>

E3SM in AMS and AGU

E3SM will be will represented in the 2023 AGU Meeting and 2024 AMS Meeting >>

NCA5 Report

E3SM contributed to Fifth National Climate Assessment, the US report on climate change >>

Dorothy Koch at DOE

Dr Dorothy Koch Named Associate Director of DOE's BER Program >>

AGU Fellows

Congratulations to the 2023 Honorees: Claudia Tebaldi and Xiaohong Liu selected as AGU Fellows! >>

ECRP Awards

Six awards of DOE Early Career Research Program concentrate on EESM program >>

SciDAC Meeting

The Scientific Discovery through Advanced Computing (SciDAC) program held its Principal Investigators’ Meeting >>



  • Terrestrial

    The study investigates the role of the phosphorus cycle in the historical terrestrial carbon >>
  • Land Use Change Patterns

    Study of scenarios of different land-use changes patterns and different future climate outcomes for >>
  • CICE in a Book

    CICE Consortium is highlighted for Scientific Collaboration >>
  • ESnet Review

    ESnet - BER Requirements Review Report has been Published >>


  • EESSD Open House

    The EESSD “open house” seminars focused on EESSD areas of ASR, EESM and ESS Programs  >>
  • Recent E3SM Publicity

    The E3SM Publicity page includes links to recent articles or videos related to E3SM  >>
  • Latest Webinars

    All-hands presentations continue to inform scientists as well as the public >>
  • ARM/ASR Meeting

    A notable focal point of the meeting was the growing integration of ARM/ASR research with E3SM >>


E3SM is a fully coupled, state-of-the-science Earth system model (ESM) capable of global high definition configuration (25km atmosphere, 12km river model, variable 18 to 6km ocean model, >>


Released global Coupled model simulation output data from E3SM target experiments, both the low and high definition configurations. >>


Software applications for coupled and component model diagnostic, evaluation and analysis, data transfer, manipulation, regridding and post processing. Model development tools and unit >>


Model and data help and support