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GEOS-ESM / GOCART

GOCART Aerosol model including process library and framework interfaces (MAPL, NUOPC, and CCPP)
Apache License 2.0
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Implement self consistent radii across GOCART #194

Open acollow opened 1 year ago

acollow commented 1 year ago

Surface PM2.5 is currently computed at 35% and 50% relative humidity using pre-determined growth factors to account for the mass of water within the aerosol. This calculation is also done without distinguishing between hydrophylic and hydrophobic carbon. Using the density provided in the species RC file and the curve for effective radius in the monochromatic optics files, growth factors will be computed in a self consistent manner and incorporated into the PM2.5 calculation.

acollow commented 1 year ago

In addition to PM2.5, there are also inconsistencies between the effective radii used for settling and optics. In a future version, it would be ideal for the size distribution to be read in from the optics file, and the radii from there would be used for all calculations, not just the optics.

jrjoshi1 commented 1 month ago

Thanks Allie @acollow for these changes. We are not sure of all the proposed changes (e.g., how would AOD change) and it would be helpful to have a code-walk-though/discussion on this.