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Climate Change and Sounder Radiometric StabilitySatellite instrument radiometric stability is critical for climate studies. The Atmospheric Infrared Sounder (AIRS) radiances are of sufficient stability and accuracy to serve as a climate data record as evidenced by comparisons with the global network of buoys. In this paper we examine the sensitivity of derived geophysical products to potential instrument radiometric stability issues due to diurnal, orbital and seasonal variations. Our method is to perturb the AIRS radiances and examine the impact to retrieved parameters. Results show that instability in retrieved temperature products will be on the same order of the brightness temperature error in the radiances and follow the same time dependences. AIRS excellent stability makes it ideal for examining impacts of instabilities of future systems on geophysical parameter performance.
Document ID
20150008454
Acquisition Source
Jet Propulsion Laboratory
Document Type
Conference Paper
External Source(s)
Authors
Pagano, Thomas S.
(Jet Propulsion Lab., California Inst. of Tech. Pasadena, CA, United States)
Aumann, Hartmut H.
(Jet Propulsion Lab., California Inst. of Tech. Pasadena, CA, United States)
Manning, Evan
(Jet Propulsion Lab., California Inst. of Tech. Pasadena, CA, United States)
Date Acquired
May 19, 2015
Publication Date
August 2, 2009
Subject Category
Meteorology And Climatology
Meeting Information
Meeting: SPIE Nanoscience and Engineering Symposium
Location: San Diego, CA
Country: United States
Start Date: August 2, 2009
End Date: August 3, 2009
Sponsors: International Society for Optical Engineering
Distribution Limits
Public
Copyright
Other
Keywords
Sounding
Temperature
Atmosphere
Stability
Aqua
Climate

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