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Proceedings Paper

Comparison of ground-reference calibration results for Landsat-7 ETM+ for large and small test sites
Author(s): K. Thome; J. Geis; C. Cattrall
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Paper Abstract

Recent results of the vicarious calibration of the Landsat-7 ETM+ sensor are presented based on the reflectance-based vicarious method using results from a smaller test site in close proximity to the University of Arizona. The typical, larger test site is brighter and more spatially uniform then the smaller site. However, the location of the small test site allows for more frequent data collections and a more complete understanding of the calibration coefficients of the sensor as a function of time. The Remote Sensing Group previously reported results based on data collected from the smaller test site on seven dates. Here we report calibration values for additional dates as well as a comparison of the calibration values for the large and smaller test sites over recent years. The most recent data shows the calibration values using the smaller sites continue to agree within 3% of the large test sites in all bands.

Paper Details

Date Published: 22 August 2005
PDF: 9 pages
Proc. SPIE 5882, Earth Observing Systems X, 58820A (22 August 2005); doi: 10.1117/12.617856
Show Author Affiliations
K. Thome, Optical Sciences Ctr./Univ. of Arizona (United States)
J. Geis, The Aerospace Corp. (United States)
C. Cattrall, Optical Sciences Ctr./Univ. of Arizona (United States)

Published in SPIE Proceedings Vol. 5882:
Earth Observing Systems X
James J. Butler, Editor(s)

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