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
Cat 5 hurricane simulated by the E3SM v0 at 13 km resolution. Precipitable water (gray scale) shows the detailed dynamical structure in the flow. Strong precipitation is overlaid in red. High resolution is necessary to simulate reasonable numbers of tropical cyclones including Cat 4 and 5 storms.
Credit: A. Scott and M. Taylor, SNL.
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


  • post from the DOE program

    E3SM project works with released v1 model and output, while also preparing v2 model configurations >>

    Thirteen new research projects to use or develop the Energy Exascale Earth System Model (E3SM, received a cumulative total of $10 million in funding in 2018.  >>
  • DOE and NOAA Issue Report

    Participants at the Workshop on the Initialization of High-Resolution Earth System Models identify seven research priorities.  >>
  • Status of E3SM Simulation

    The E3SM project’s scientific goals address three areas of importance to earth system research: water cycle, biogeochemistry, and cryosphere.  >>


  • E3SM online training

    E3SM is offering a series of prerecorded online E3SM training sessions that are designed for new >>
  • E3SM All-Hands

    E3SM makes its all-hands presentations available to everyone on E3SM's YouTube channel >>
  • Career Opportunities

    Check current career openings in earth system sciences >>
  • E3SM Computing Resources

    In 2018, E3SM is expanding it's pool of computational resources with a new machine that will support >>



  • E3SM Best Poster Award

    Best Poster awarded to Darren Engwirda et al. for “JIGSAW: Multi-resolution Unstructured Mesh >>
  • E3SM Phase 1 Leaders

    The E3SM Phase 1 Leadership was recognized at the EESM PI Meeting in November 2018 in Maryland  >>
  • Critical Path Team

    At the EESM PI Meeting in November 2018, the E3SM recognized "Critical Path" team for the >>
  • 2018 INCITE Award

    The 2018 Innovative and Novel Computational Impact on Theory and Experiment (INCITE) award supports >>


  • Land–Climate Feedbacks

    Standard representation of nutrient constraints is shown to lead to large biases in GHG emissions >>
  • Quantifying Uncertainty

    Study of Parametric Sensitivity and Uncertainty Quantification in the E3SM Atmosphere Model >>
  • Antarctic vulnerability to localized ice shelf collapse - mass loss

    Antarctic Ice Shelf

    Millennial-scale Vulnerability of the Antarctic Ice Sheet to Regional Ice Shelf Collapse >>
  • Model Resolution

    Evaluation and understanding of E3SM resolution impacts on the simulation of North Atlantic >>

Major Research Directions

Water Cycle

Research focused on understanding and developing the capability to project changes in water within the Earth's system by more realistic portrayals of hydrologic features >>

BGC and Energy

E3SM is examining how more complete treatments of nutrient cycles, land-use/land-cover, and land disturbances such as fires affect biogeochemical cycles. >>


Next generation model development, high performance algorithms and exploration of parallel optimizations targeting upcoming exascale DOE computer facilities. >>


The project is conducting detailed modeling of the interactions between the ocean and the Antarctic ice sheet, including ocean flows under the ice shelves, to investigate the... >>


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

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