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Changes in vegetation spectra with leaf deterioration under two methods of preservation (1984)

Masuoka, E. J. ; Labovitz, M. L. ; Feldmann, S. G.

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Publication Date: 2011-08-19

Description: Changes in leaf spectra caused by mineralization under different conditions of preservation are measured using a three-band portable radiometer which simulates three Thematic Mapper bands 3, 4, and 5. Daily spectral measurements of white oak (Quercus alba) leaves did not distinguish among the fresh, bottled, and bagged vegetation in the spectral bands 3 and 5 for up to four days after collection. The reflected energy of the preserved vegetation increased thereafter, reportedly due to the loss of chlorophyll and dehydration. It is concluded that the measurement procedure is sufficiently sensitive as to discern documented patterns of variation in reflectance measurements.

Keywords: EARTH RESOURCES AND REMOTE SENSING

Type: Photogrammetric Engineering and Remote Sensing (ISSN 0099-1112); 50; 1737-174

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