CEMPD / SMOKE

Create emissions inputs for multiple air quality modeling systems with unmatched speed and flexibility
https://www.cmascenter.org/smoke/
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Humidity adjustment for NOx in Movesmrg not applied correctly #44

Closed christos-e closed 2 years ago

christos-e commented 3 years ago

Movesmrg was probably coded to apply the adjustment to HONO/NO/NO2 (and total NOX) but not HONO_INV/NO_INV/NO2_INV. When running with the speciation option, model-ready HONO/NO/NO2 are derived from HONO_INV/NO_INV/NO2_INV. (The EF tables contain both HONO_INV/NO_INV/NO2_INV, which have mass units, and HONO/NO/NO2, which have moles units. With the speciation option, we need to use the mass unit variables rather than the moles unit variables because SMOKE will convert to moles when it “speciates”.)

eyth commented 3 years ago

Yes, it was not designed to adjust the _INV species, although I thought the nature of Chris' comment was different than this.

On Thu, Sep 2, 2021 at 11:57 AM christos-e @.***> wrote:

Movesmrg was probably coded to apply the adjustment to HONO/NO/NO2 (and total NOX) but not HONO_INV/NO_INV/NO2_INV. When running with the speciation option, model-ready HONO/NO/NO2 are derived from HONO_INV/NO_INV/NO2_INV. (The EF tables contain both HONO_INV/NO_INV/NO2_INV, which have mass units, and HONO/NO/NO2, which have moles units. With the speciation option, we need to use the mass unit variables rather than the moles unit variables because SMOKE will convert to moles when it “speciates”.)

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