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

Recent News

  • Cat 5 hurricane simulated by the E3SM v0 at 13 km resolution

    From the Program Manager:

    The E3SM user community will be expanding in coming months, with many new projects contributing to model analysis as well as development.  >>
  • Developing E3SM: How to

    While there’s only one Earth, there are many earth system models. The E3SM team members designed their model to answer questions relevant to DOE’s mission.  >>
  • Contributing to E3SM

    With a focus on improving representations of the atmospheric, land, or sea-ice components of E3SM, eight new projects have been awarded under the SciDAC program.  >>
  • ORNL Introduces Summit,

    The Department of Energy's Oak Ridge National Laboratory recently launched Summit, a system that can provide incredible computing power to earth system modeling scientists.  >>

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 >>


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