Variability in a Decade of AIRS Version 6 Observations and Reanalyses

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Monday, 3 February 2014: 11:30 AM
Room C203 (The Georgia World Congress Center )
Eric J. Fetzer, JPL, Pasadena, CA; and T. S. Pagano and B. H. Lambrigtsen

The NASA Atmospheric Infrared Sounder (AIRS) satellite instrument has provided near-continuous infrared spectral observations of the Earth since September 2002. Retrieved quantities from AIRS include detailed information about profiles of temperature and water vapor, the abundance of trace gases (ozone, methane, carbon monoxide, and carbon dioxide), and surface and cloud properties. A recently updated retrieval algorithm Version 6 (V6) shows improved performance, including more realistic trace gas variability and boundary layer structure over land, and more detailed cloud properties. V6 data processing is now complete and the entire 11-year record is publicly available. We describe the long-term characteristics of this data set and compare with model reanalyses.