Modeling

Multi-Scale Chemistry Modeling (MUSICA)


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The Atmospheric Chemistry Observations and Modeling (ACOM) Laboratory at NCAR together with the atmospheric chemistry community is developing a new community modeling infrastructure. MUSICA – the Multi-Scale Infrastructure for Chemistry and Aerosols – will become a computationally feasible global modeling framework that allows for the simulation of large-scale atmospheric phenomena, while still resolving chemistry at emission and exposure relevant scales (down to ~4 km within the next 5 years). MUSICA will eventually replace and extend the current separate community chemistry modeling efforts at NCAR (e.g. WACCM, CAM-Chem, WRF-Chem), paralleling other activities at NCAR to streamline and unify model development.

Presentation slides on MUSICA given by Louisa Emmons at the Atmospheric Chemistry Mechanisms Conference (November 2020).

MUSICA-V0 with regional refinement over the conterminous U.S. is now available in CESM2.2. More information on MUSICA-V0 and plans for a tutorial are on the MUSICA-V0 webpage.

The Bulletin of the AMS has published the MUSICA vision paper (Oct 1, 2020). 

Learn more about MUSICA Working Groups on the MUSICA Governance page.

The MUSICA Kick-Off meeting was held at NCAR from 21-22 May, 2019. Presentations from this meeting are available from the meeting website.

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ACOM | Atmospheric Chemistry Observations & Modeling