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 Interim E3SM

    Introductory letter from Sally McFarlane, Interim E3SM Program Manager. >>
  • Time evolution of annual global mean surface air temperature anomalies

    Overview Paper on Coupled

    A study paper to document and evaluate the performance of E3SM version 1 was accepted for publication in JAMES >>
  • Post from the BER

    Introductory letter from Corinne Hartin, DOE's BER Detailee for E3SM Project Management. >>
  • E3SM ENSO variability

    E3SM Simulation Campaigns

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




  • 2019 E3SM Spring Awards

    Dr. Gary Geernaert, Director of CESD, DOE BER, presented the exceptional contribution awards at the >>
  • 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 >>


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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