NDLI: Twenty-five years of landsat thermal band calibration

Content Provider	IEEE Xplore Digital Library
Author	Barsi, J.A. Markham, B.L. Schott, J.R. Hook, S.J. Raqueno, N.G.
Copyright Year	2010
Description	Author affiliation: Center for Imaging Science, Rochester Institute of Technology, NY 14623, USA (Schott, J.R.; Raqueno, N.G.) \|\| NASA/GSFC, Greenbelt MD 20771, USA (Markham, B.L.) \|\| NASA/JPL, Pasadena CA 91109, USA (Hook, S.J.) \|\| SSAI, NASA/GSFC, Greenbelt MD 20771, USA (Barsi, J.A.)
Abstract	Landsat-7 Enhanced Thematic Mapper+ (ETM+), launched in April 1999, and Landsat-5 Thematic Mapper (TM), launched in 1984, both have a single thermal band. Both instruments' thermal band calibrations have been updated previously: ETM+ in 2001 for a pre-launch calibration error and TM in 2007 for data acquired since the current era of vicarious calibration has been in place (1999). Vicarious calibration teams at Rochester Institute of Technology (RIT) and NASA/Jet Propulsion Laboratory (JPL) have been working to validate the instrument calibration since 1999. Recent developments in their techniques and sites have expanded the temperature and temporal range of the validation. The new data indicate that the calibration of both instruments had errors: the ETM+ calibration contained a gain error of 5.8% since launch; the TM calibration contained a gain error of 5% and an additional offset error between 1997 and 1999. Both instruments required adjustments in their thermal calibration coefficients in order to correct for the errors. The new coefficients were calculated and added to the Landsat operational processing system in early 2010. With the corrections, both instruments are calibrated to within ±0.7K.
Starting Page	2287
Ending Page	2290
File Size	316601
Page Count	4
File Format	PDF
ISBN	9781424495658
ISSN	21537003
e-ISBN	9781424495665
e-ISBN	9781424495641
DOI	10.1109/IGARSS.2010.5652528
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-07-25
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Calibration Satellites Remote sensing Earth Instruments Ocean temperature Temperature distribution TM Landsat LWIR Thermal ETM+
Content Type	Text
Resource Type	Article

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