Feature Update	Component	Relevant model	Contibutor(s)	Notes
New dust scheme	land and atmosphere: interactive emissions	CESM/CAM-Chem, WACCM and MUSICA	Danny Leung	An updated interactive dust scheme to emit dust into the atmopshere. Will be default in CESM3
MAM5 aerosols	aerosol mechanism	CESM/CAM-Chem, WACCM and MUSICA	Simone Tilmes, Louisa Emmons, Francis Vitt, Mike Mills	MAM5 (MAM4 + 1 mode for stratospheric sulfate) for all CESM configuration
Soil NOx				Updated Soil NOx emissions (CTSM Issue #1952)

Top priority for integration

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Feature Update	Component	Relevant model	Contibutor(s)	Notes
CMIP7 Forcing	Emissions and external forcing	CESM/CAM-Chem	Benjamin Gaubert, Simone Tilmes, Louisa Emmons, Rebecca Buchholz	https://github.com/NCAR/CMIP7_inputdata_processing

Long-term plans

These updates are on our radar, but either are low priority or do not have anyone assigned to work on them.

Feature Update	Component	Relevant model	Notes
Saving 2m ozone	diagnostic	CESM/CAM-Chem, WACCM and MUSICA	Some land component output is necessary for interpolating the surface layer to 2m. Forrest Lacey has performed this previously with MUSICA output.
Saving MDA8 ozone	diagnostic	CESM/CAM-Chem, WACCM and MUSICA	Important for comparing with air quality attainment standards.
Lightning NOx	atmosphere interactive emissions	CESM/CAM-Chem, WACCM and MUSICA	Scale aware production of lightning NOx.
Upper boundary conditions	External forcing		Optional Upper boundary conditions for the low top L58 model created from a WACCM simulation

Previous updates that have happened in the model.

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