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Retrieval of Mid-tropospheric CO2 Directly from AIRS MeasurementsWe apply the method of Vanishing Partial Derivatives (VPD) to AIRS spectra to retrieve daily the global distribution of CO2 at a nadir geospatial resolution of 90 km x 90 km without requiring a first-guess input beyond the global average. Our retrievals utilize the 15 (micro)m band radiances, a complex spectral region. This method may be of value in other applications, in which spectral signatures of multiple species are not well isolated spectrally from one another.
Document ID
20090035581
Acquisition Source
Jet Propulsion Laboratory
Document Type
Conference Paper
External Source(s)
hdl:2014/41388
Authors
Olsen, Edward T. (Jet Propulsion Lab., California Inst. of Tech. Pasadena, CA, United States)
Chahine, Moustafa T. (Jet Propulsion Lab., California Inst. of Tech. Pasadena, CA, United States)
Chen, Luke L. (Jet Propulsion Lab., California Inst. of Tech. Pasadena, CA, United States)
Pagano, Thomas S. (Jet Propulsion Lab., California Inst. of Tech. Pasadena, CA, United States)
Date Acquired
August 24, 2013
Publication Date
March 18, 2008
Subject Category
Chemistry And Materials (General)
Meeting Information
Meeting: SPIE Conference: Algorithms and Technologies for Multispectral, Hyperspectral and Ultraspectral
Location: Orlando, FL
Country: United States
Start Date: March 18, 2008
Sponsors: International Society for Optical Engineering
Distribution Limits
Public
Copyright
Other
Keywords
vanishing partial derivatives
infrared spectrum
free troposhpere
remote sounding
carbon dioxide

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