Carbon monoxide pollution from cities and urban areas observed by the Terra/MOPITT mission

Details Carbon monoxide pollution from cities and urban areas observed by the Terra/MOPITT mission Carbon monoxide pollution from cities and urban areas observed by the Terra/MOPITT mission

Feb 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008georl..3503817c&link_type=abstract

Geophysical Research Letters, Volume 35, Issue 3, CiteID L03817

Computer Science

Sound

26

Atmospheric Composition And Structure: Constituent Sources And Sinks, Atmospheric Composition And Structure: Evolution Of The Atmosphere (1610, 8125), Atmospheric Composition And Structure: Middle Atmosphere: Composition And Chemistry, Atmospheric Composition And Structure: Middle Atmosphere: Constituent Transport And Chemistry (3334), Atmospheric Composition And Structure: Pollution: Urban And Regional (0305, 0478, 4251)

Scientific paper

Carbon monoxide (CO) is a key species for tracking pollution plumes. The Measurement Of Pollution in The Troposphere (MOPITT) mission onboard the Terra satellite has already provided 7.5 years of CO atmospheric concentration measurements around the globe. Limited sensitivity to the boundary layer is well known to be a weakness of nadir looking thermal infrared sounders. This paper investigates the possibility of using the MOPITT surface measurements to detect CO emitted by cities and urban centers. By selecting the data and averaging them over long time periods, we demonstrate that the CO pollution arising from the large cities and urban areas can be distinguished from the background transported pollution. The more favorable observations are obtained during daytime and at locations where the thermal contrast (temperature gradient) between the surface and lower atmosphere is significant.

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