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Proceedings Paper

High-spectral-resolution reflectance measurements of red spruce and eastern hemlock foliage over a growing season
Author(s): Barrett N. Rock; Gary N. Lauten; David M. Moss
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Paper Abstract

Branch samples were collected from canopies of red spruce (Picea rubens) and eastern hemlock (Tsuga canadensis) on June 28, July 15 and September 6, 1990, and spectrally characterized by needle age class (first- and second-year). Spectral differences between spruce and hemlock first- and second-year branch segments include differences in green peak reflectance features, red edge parameters, and amplitude features of the NIR plateau. Second- year needles of both species exhibit decreased reflectance in the NIR when compared with first-year needles collected at the same time. It is also apparent from these data that phenological change has a dramatic impact on hyperspectral fine features, such as green peak and red edge parameters, as well as NIR plateau features.

Paper Details

Date Published: 31 August 1993
PDF: 11 pages
Proc. SPIE 1941, Ground Sensing, (31 August 1993); doi: 10.1117/12.154677
Show Author Affiliations
Barrett N. Rock, Univ. of New Hampshire (United States)
Gary N. Lauten, Univ. of New Hampshire (United States)
David M. Moss, Earth Satellite Corp. (United States)

Published in SPIE Proceedings Vol. 1941:
Ground Sensing
Hatem N. Nasr, Editor(s)

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