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


  • E3SM Simulation Campaigns

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

    The E3SM project team is working to develop a cloud-resolving Earth system model with the throughput necessary for multi-decade, coupled high resolution climate simulations. >>
  • E3SM Community Engagement

    This international workshop focused on optimal strategies for coupling processes in or between the different component models of the earth system.  >>
  • DOE Announces $10 Million

    DOE announced $10 million in funding for 13 earth system model projects aimed at further enhancing computer models for understanding weather and climate patterns. >>


  • 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 all BER funded projects working with the E3SM model.  >>
  • FY2019 NOAA Climate

    The DOE-Climate Program Office Federal Funding Opportunity announcement has just been published. >>
  • E3SM In DOE 5 Year Plan

    The Climate and Environmental Sciences Division (CESD) has published its five-year strategic plan for 2018 to 2023. >>


  • A-Prime v1.2 Release

    A-PRIME is a collection of scripts designed to provide E3SM model developers and analysts with a variety of metrics >>
  • MPAS-Analysis v1.0

    The Model for Prediction Across Scales Analysis (MPAS-Analysis) developers announce the release of version 1.0 of analysis software. >>
  • MPAS 6.0

    This major release of Model for Prediction Across Scales, or MPAS, introduces the MPAS-sea ice core. >>
  • E3SM Diagnostics v1.3.0

    E3SM Diagnostics v1.3.0. new features are: Taylor Diagram, metrics summary table, stronger support for model vs model comparison >>


  • E3SM Best Poster Award

    Best Poster awarded to Darren Engwirda et al. for “JIGSAW: Multi-resolution Unstructured Mesh Generation for MPAS” >>
  • 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 outstanding effort  >>
  • 2018 INCITE Award

    The 2018 Innovative and Novel Computational Impact on Theory and Experiment (INCITE) award supports the E3SM model  >>


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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