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Assessment of Landsat multispectral scanner spectral indexes for monitoring arid rangelandCorrelations between spectral indices and vegetation parameters in south-central New Mexico were used to determine the utility of Landsat Multispectral Scanner (MSS) spectral indices in arid rangeland monitoring. In addition, spectral index change for 1976-1980 was calculated from retrospective MSS data and compared with qualitative ground truth in order to evaluate vegetation change detection by means of spectral indices. Brightness index change consistently differentiated between cover increase and decrease, but index change appears to have been offset from true cover change; this may at least partly be attributed to the failure of the methods used to standardize MSS scenes for differences in sensor response. Green vegetation indices, by contrast to brightness indices, failed to consistently differentiate between cover increase and decrease.
Document ID
19850029055
Document Type
Reprint (Version printed in journal)
Authors
Musick, H. B.
(NASA National Space Technology Laboratories, Earth Resources Laboratory, Bay St. Louis MS, United States)
Date Acquired
August 12, 2013
Publication Date
November 1, 1984
Publication Information
Publication: IEEE Transactions on Geoscience and Remote Sensing
Volume: GE-22
ISSN: 0196-2892
Subject Category
Earth Resources And Remote Sensing
Distribution Limits
Public
Copyright
Other
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