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Comparison of in situ and satellite-derived reflectances of Forbindels Glacier, GreenlandIn situ and Landsat Thematic Mapper (TM)-derived reflectances of the Forbindels Glacier, Greenland, were acquired in August of 1986. Reflectance was measured in situ using a portable spectrometer and calculated using TM data and ancillary information. Atmospheric corrections were applied to the at-satellite reflectances resulting in a 5-17 percent increase in reflectance relative to the calculated at-satellite reflectances. The satellite-derived, corrected reflectances obtained from the non-saturated TM bands corresponded to within 6 percent of the in situ reflectances measured at the nadir viewing angle with a portable spectrometer. Measurement of nadir reflectances using Landsat-TM data appears to be a viable method to obtain physically meaningful reflectances of ice and snow.
Document ID
19900047205
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Hall, D. K.
(NASA Goddard Space Flight Center Greenbelt, MD, United States)
Bindschadler, R. A.
(NASA Goddard Space Flight Center Greenbelt, MD, United States)
Foster, J. L.
(NASA Goddard Space Flight Center Greenbelt, MD, United States)
Chang, A. T. C.
(NASA Goddard Space Flight Center Greenbelt, MD, United States)
Siddalingaiah, H.
(SEA Corp. Gaithersburg, MD, United States)
Date Acquired
August 14, 2013
Publication Date
March 1, 1990
Publication Information
Publication: International Journal of Remote Sensing
Volume: 11
ISSN: 0143-1161
Subject Category
Earth Resources And Remote Sensing
Accession Number
90A34260
Distribution Limits
Public
Copyright
Other

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