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Add Anthropogenic Emissions#215

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haiqinli wants to merge 1 commit intoufs-community:gsl/developfrom
haiqinli:gsl/develop-anthro
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Add Anthropogenic Emissions#215
haiqinli wants to merge 1 commit intoufs-community:gsl/developfrom
haiqinli:gsl/develop-anthro

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@haiqinli
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@haiqinli haiqinli commented Feb 17, 2026

This PR adds a new tracer, unspc_fine, representing fine anthropogenic primary aerosols. The registry.chemistry.xml file has also been reorganized to support this update.

This enhancement is expected to improve PM2.5 forecasts by better representing anthropogenic emission contributions. It will also be a key component of aerosol emissions in cloud physics processes (in our next PR).

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packages="mpas_dust_in;mpas_anthro_in"/>
packages="mpas_dust_in"/>

<var name="unspc_fine" array_group="chemistry" units="ug kg^{-1}"
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@haiqinli What does unspc stand for? Unspecified? Thanks!

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Unspeciated/unspecified

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Got it. Thanks, @jordanschnell and @haiqinli

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