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

The 2020 Virtual ESMD/E3SM PI Meeting

October 26-29, 2020

The Earth System Model Development (ESMD) program area Principle Investigator (PI) and E3SM Annual All-Hands meeting will be held October 26-29, 2020.

It is the joint meeting of all projects supported by ESMD including DOE lab led SFAs (e.g., E3SM), SciDAC projects, University led projects as well as the projects jointly funded by ESMD and other program areas.

Registration is now open. Please visit to register.

Draft Agenda



  • Cryosphere–Ocean Viz

    The project's goal is to use visualization to understand the land ice response to ocean forcing  >>
  • Water Cycle Viz

    The project focuses on precipitation from storm tracks and supercell thunderstorms >>
  • New Chrysalis Machine

    Dedicated CPU resources, critical to project productivity, are increased with the new machine >>
  • Training Videos Released

    A second series of hands-on video tutorials includes working with E3SM data, grids, and meshes >>


  • New Aerosol Treatments

    New treatments have mixed effects on aerosol size distribution, transport, clouds, and forcing. >>
  • Ice-Shelf Melting

    Exploring impacts of explicitly resolved ice-shelf melt fluxes on sea ice and ocean processes >>
  • baroclinic instability

    Nonhydrostatic Core

    Energy consistent discretization of the equations used by atmospheric global models provided >>
  • Variable Resolution Mesh

    MPAS-Ocean dynamics robust to degradation of mesh cell quality/regularity. >>



  • ESM Funding Awards

    DOE announces $7 million in funding for Earth System Model Development and Analysis >>
  • Matthew Hoffman, LANL (left), Benjamin Sulman, ORNL (right)

    2020 Early Career Awards

    Matthew Hoffman and Benjamin Sulman receive Early Career Research Program Awards >>
  • Program Meetings

    Two virtual meetings relevant to E3SM scientists will be held in October >>
  • Latest Webinars

    All-hands presentations now occur every two weeks leading to a wealth of new webinars >>

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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