About

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.

The Energy Exascale Earth System Model (E3SM) Project is an ongoing, state-of-the-science Earth system modeling, simulation, and prediction project that optimizes the use of DOE laboratory resources to meet the science needs of the nation and the mission needs of DOE. In this context, “laboratory resources” include current and future personnel, programs, and facilities. Collectively, they represent a unique combination of proficiencies in science, engineering, leadership computing, and information technologies—the expertise required to construct, maintain, and advance an Earth system modeling capability needed by the country and DOE.

 

Over the past three years, E3SM Phase I developed the first version (v1) of the E3SM model. Phase II  expands and extends this work by further exercising the low- and high-resolution versions of v1, adding available improvements and exercising the model with regional refinement over North America for v2. Phase II will also significantly improve model performance, infrastructure, and Earth system capabilities by developing v3-v4 (for use in a Phase III simulation campaign). Phase II will continue to push the envelope in terms of model resolution beyond the current hydrostatic limit in the atmosphere. During this period, the coupled system will run efficiently on the most powerful DOE High Performance Computational Facility computers. The E3SM project will assert and maintain an international scientific leadership position in the development of Earth system models capable of performing simulations that address the most critical scientific questions for the nation and DOE.

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