Summary of current radiometric calibration coefficients for Landsat MSS, TM, ETM+, and EO-1 ALI sensors

This paper provides a summary of the current equations and rescaling factors for converting calibrated Digital Numbers (DNs) to absolute units of at-sensor spectral radiance, Top-Of-Atmosphere (TOA) reflectance, and at-sensor brightness temperature. It tabulates the necessary constants for the Multi...

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Bibliographic Details
Published in:Remote sensing of environment 2009-05, Vol.113 (5), p.893-903
Main Authors: Chander, Gyanesh, Markham, Brian L., Helder, Dennis L.
Format: Article
Language:English
Subjects:
Animal, plant and microbial ecology
Applied geophysics
At-sensor brightness temperature
At-sensor spectral radiance
Biological and medical sciences
Earth sciences
Earth, ocean, space
EO-1 ALI
Exact sciences and technology
Fundamental and applied biological sciences. Psychology
General aspects. Techniques
Internal geophysics
Landsat MSS, TM, ETM
Radiometric characterization & calibration
Teledetection and vegetation maps
Top-of-atmosphere reflectance
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Summary:This paper provides a summary of the current equations and rescaling factors for converting calibrated Digital Numbers (DNs) to absolute units of at-sensor spectral radiance, Top-Of-Atmosphere (TOA) reflectance, and at-sensor brightness temperature. It tabulates the necessary constants for the Multispectral Scanner (MSS), Thematic Mapper (TM), Enhanced Thematic Mapper Plus (ETM+), and Advanced Land Imager (ALI) sensors. These conversions provide a basis for standardized comparison of data in a single scene or between images acquired on different dates or by different sensors. This paper forms a needed guide for Landsat data users who now have access to the entire Landsat archive at no cost.
ISSN:0034-4257
1879-0704
DOI:10.1016/j.rse.2009.01.007