Highly accurate FTIR observations from the scanning HIS aircraft instrument

Henry E. Revercomb; David C. Tobin; Robert O. Knuteson; Fred A. Best; William L. Smith Sr.; Paul F. W. van Delst; Daniel Darch LaPorte; Scott D. Ellington; Mark W. Werner; Ralph G. Dedecker; Raymond K. Garcia; Nick N. Ciganovich; Hugh Benjamin Howell; Erik R. Olson; Steven B. Dutcher; Joseph K. Taylor

doi:10.1117/12.579018

20 January 2005 Highly accurate FTIR observations from the scanning HIS aircraft instrument

Henry E. Revercomb, David C. Tobin, Robert O. Knuteson, Fred A. Best, William L. Smith Sr., Paul F. W. van Delst, Daniel Darch LaPorte, Scott D. Ellington, Mark W. Werner, Ralph G. Dedecker, Raymond K. Garcia, Nick N. Ciganovich, Hugh Benjamin Howell, Erik R. Olson, Steven B. Dutcher, Joseph K. Taylor

Author Affiliations +

Proceedings Volume 5655, Multispectral and Hyperspectral Remote Sensing Instruments and Applications II; (2005) https://doi.org/10.1117/12.579018
Event: Fourth International Asia-Pacific Environmental Remote Sensing Symposium 2004: Remote Sensing of the Atmosphere, Ocean, Environment, and Space, 2004, Honolulu, Hawai'i, United States

Abstract

Development in the mid 80s of the High-resolution Interferometer Sounder (HIS) instrument for the high altitude NASA ER2 aircraft demonstrated the capability for advanced atmospheric temperature and water vapor sounding and set the stage for new satellite instruments that are now becoming a reality [AIRS(2002), CrIS(2006), IASI(2006), GIFTS(200?), HES(2013)]. Follow-on developments at the University of Wisconsin that employ Fourier Transform Infrared (FTIR) for Earth observations include the ground-based Atmospheric Emitted Radiance Interferometer (AERI) and the new Scanning HIS aircraft instrument. The Scanning HIS is a smaller version of the original HIS that uses cross-track scanning to enhance spatial coverage. Scanning HIS and its close cousin, the NPOESS Airborne Sounder Testbed (NAST), are being used for satellite instrument validation and for atmospheric research. A novel detector configuration on Scanning HIS allows the incorporation of a single focal plane and cooler with three or four spectral bands that view the same spot on the ground. The calibration accuracy of the S-HIS and results from recent field campaigns are presented, including validation comparisons with the NASA EOS infrared observations (AIRS and MODIS). Aircraft comparisons of this type provide a mechanism for periodically testing the absolute calibration of spacecraft instruments with instrumentation for which the calibration can be carefully maintained on the ground. This capability is especially valuable for assuring the long-term consistency and accuracy of climate observations, including those from the NASA EOS spacecrafts (Terra, Aqua and Aura) and the new complement of NPOESS operational instruments. It is expected that aircraft flights of the S-HIS and the NAST will be used to check the long-term stability of AIRS and the NPOESS operational follow-on sounder, the Cross-track Infrared Sounder (CrIS), over the life of the mission.

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Henry E. Revercomb, David C. Tobin, Robert O. Knuteson, Fred A. Best, William L. Smith Sr., Paul F. W. van Delst, Daniel Darch LaPorte, Scott D. Ellington, Mark W. Werner, Ralph G. Dedecker, Raymond K. Garcia, Nick N. Ciganovich, Hugh Benjamin Howell, Erik R. Olson, Steven B. Dutcher, and Joseph K. Taylor "Highly accurate FTIR observations from the scanning HIS aircraft instrument", Proc. SPIE 5655, Multispectral and Hyperspectral Remote Sensing Instruments and Applications II, (20 January 2005); https://doi.org/10.1117/12.579018

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