Methodology and information content of the NOAA NESDIS operational channel selection for the Cross-Track Infrared Sounder (CrIS)

"We describe the NOAA NESDIS channel selection methodology for the Cross-track Infrared Sounder, scheduled to be launched in October 2011 and to become operational in 2012. We describe the main spectral characteristics and we discuss the information content of the nal channel subset that will be distributed to the scientic community for operational data assimilation and retrieval applications. This channel selection is composed of 399 channels and its information content is shown to retain most of the total atmospheric variability contained in the original 1305 channel spectrum, up to instrumental noise"--Abstract. Antonia Gambacorta and Chris Barnet. "August 2011." System requirements: Adobe Acrobat Reader. Includes bibliographical references (pages 27-28). 2011 NESDIS (National Environmental Satellite, Data, and Information Service) Library Public Domain 2286