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


  • Time evolution of annual global mean surface air temperature anomalies

    Overview Paper Accepted

    A paper to document and evaluate the performance of E3SM version 1 was accepted for publication in JAMES. >>
  • E3SM ENSO variability

    Campaigns Continue

    The v1 campaign is in its 2nd year, with the water cycle campaign almost finished, BGC continuing, and cryosphere simulations starting. >>
  • Nonhydrostatic Core

    The project focuses on developing a Simple Cloud-Resolving E3SM Atmosphere Model to run at 3 km resolution globally. >>
  • Farewell from Dorothy

    Sadly, Dorothy accepted a job offer from NOAA. We wish her well in her new endeavor! >>


  • One Year After Model

    It was just a little more than 12 months ago that four years of hard work culminated with release of >>
  • CMIP6 DECK Illustration

    E3SM Data is Available

    The data from CMIP6 DECK experiments has been published and is available via the ESGF website. >>
  • E3SM Dedicated Computer

    "Compy" - the new E3SM computer located at PNNL - is up and running. >>
  • Latest All-Hands

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




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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