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| Titel |
Evaluation of a regional air quality forecast model for tropospheric NO2 columns using the OMI/Aura satellite tropospheric NO2 product |
| VerfasserIn |
F. L. Herron-Thorpe, B. K. Lamb, G. H. Mount, J. K. Vaughan |
| Medientyp |
Artikel
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| Sprache |
Englisch
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| ISSN |
1680-7316
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| Digitales Dokument |
URL |
| Erschienen |
In: Atmospheric Chemistry and Physics ; 10, no. 18 ; Nr. 10, no. 18 (2010-09-20), S.8839-8854 |
| Datensatznummer |
250008782
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| Publikation (Nr.) |
 copernicus.org/acp-10-8839-2010.pdf |
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| Zusammenfassung |
| Results from a regional air quality forecast model, AIRPACT-3, are compared
to OMI tropospheric NO2 integrated column densities for an 18 month
period over the Pacific Northwest. AIRPACT column densities are well
correlated (r=0.75) to cloud-free (<35%) retrievals of tropospheric
NO2 for monthly averages without wildfires, but are poorly correlated
(r=0.21) with significant model over-predictions for months with wildfires
when OMI and AIRPACT are compared over the entire domain. AIRPACT
predicts higher NO2 in some northwestern US urban areas, and lower
NO2 in the Vancouver, BC urban area, when compared to OMI. Model
results are spatially averaged to the daily OMI swath. The Dutch KNMI
(DOMINO) and NASA (Standard Product) retrievals of tropospheric NO2
from OMI (Collection-3) are compared. The NASA product is shown to be
significantly different than the KNMI tropospheric NO2 product. The
average difference in tropospheric columns, after applying the averaging
kernels of the respective products to the model results, is shown to be
larger in the summer (±50%) than winter (±20%). |
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