Cited by 50Atmospheric chemistry and aerosolsAtmospheric aerosols and cloudsAtmospheric and Environmental Gas Dynamics

AIRS views transport from 12 to 22 July 2004 Alaskan/Canadian fires: Correlation of AIRS CO and MODIS AOD with forward trajectories and comparison of AIRS CO retrievals with DC‐8 in situ measurements during INTEX‐A/ICARTT

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McMillan, W. W., Warner, J. X., Comer, M. McCourt, Maddy, E., Chu, A., Sparling, L., Eloranta, E., Hoff, R. +4 more·2008·Journal of Geophysical Research: Atmospheres

Abstract

We present observations of transport of tropospheric carbon monoxide (CO) obtained by the Atmospheric Infrared Sounder (AIRS) on board NASA's Aqua satellite during the Intercontinental Chemical Transport Experiment–North America (INTEX‐A) field campaign in the summer of 2004, part of the International Consortium for Atmospheric Research on Transport and Transformation (ICARTT). In situ measurements from NASA's DC‐8 provide crucial assessment of AIRS midtropospheric (400–500 mbar) CO retrievals. For the nine best INTEX‐A profiles, convolution of the in situ profiles with AIRS verticality functions demonstrates version 4 AIRS CO retrievals between 400 and 500 mbar are biased high by approximately 8% with a standard deviation slightly less than 5%. The 400–500 mbar region is the only portion of the version 4 AIRS CO retrievals that can be validated as presented here. In some cases, AIRS CO retrievals may be sensitive to CO in the lower to midtroposphere (800–500 mbar). Focusing on one major episode, we investigate transport of CO from a large fire outbreak in the Alaskan/Canadian Yukon region from 11 to 14 July 2004 and follow it downwind to the southeastern United States and Europe by 22 July 2004. Comparison of AIRS CO maps and forward trajectories from fire locations reveals substantial variations in fire emissions especially emission injection height. Any useful forecast model must control for such fire emission variabilities to predict correctly the downwind impact. To matc…

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Crossref · 10.1029/2007jd009711

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Authors
McMillan, W. W., Warner, J. X., Comer, M. M., Maddy, E., Chu, A., Sparling, L., Eloranta, E., Hoff, R., Sachse, G., Barnet, C., Razenkov, I., & Wolf, W.
Affiliations
  • University of Maryland, Baltimore County (US)
  • Science Department Southern High School Harwood Maryland USA
  • Emmanuel College - Georgia (US)
  • University of Wisconsin–Madison (US)
  • Langley Research Center (US)
  • National Oceanic and Atmospheric Administration (US)
Venue
Journal of Geophysical Research: Atmospheres
Published
2008-10-16
Volume
113
Issue
D20
ISSN
0148-0227 (ISSN-L)
OpenAlex
W2107877005
Cited by
50
References
95
Citations by year
2025: 1 · 2023: 3 · 2022: 2 · 2021: 2 · 2020: 3 · 2018: 3 · 2017: 2 · 2015: 2 · 2014: 2 · 2013: 1 · 2012: 3
FWCI
5.49
Type
journal article
Language
en
Open access
Locations
Journal of Geophysical Research Atmospheres (publishedVersion)
Topics
  • Physical Sciences › Earth and Planetary Sciences › Atmospheric Science › Atmospheric chemistry and aerosols
  • Physical Sciences › Environmental Science › Global and Planetary Change › Atmospheric aerosols and clouds
  • Physical Sciences › Environmental Science › Global and Planetary Change › Atmospheric and Environmental Gas Dynamics
Keywords
carbon monoxide, MODIS aerosol optical depth, fire emissions, smoke plume transport, forward trajectories, ICARTT, retrieval bias, satellite validation

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