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Trace Gases

Trace Gases

Among NASA’s A-Train roster of satellite platforms there are two carrying instruments which measure trace gases appropriate for air quality studies and monitoring: Aqua and Aura. Among the most useful instruments on-board these two platforms are AIRS, OMI, and TES.

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FAQ's

Several important things to note about some of these products:

1. OMI is NOT sensitive to ozone near the surface. While there are derived tropospheric ozone products, they are currently unusable for AQ monitoring, particularly in the mid-latitudes = errors are large and the data are noisy. The bottom line is that retrieval of boundary layer O3 from satellite remote sensing remains a daunting task.

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