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Detection of the Green and Brown Wave in Hardwood Canopy Covers Using Multidate, Multispectral Data from LANDSAT‐1 1
Author(s) -
Blair B. O.,
Baumgardner M. F.
Publication year - 1977
Publication title -
agronomy journal
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.752
H-Index - 131
eISSN - 1435-0645
pISSN - 0002-1962
DOI - 10.2134/agronj1977.00021962006900050019x
Subject(s) - multispectral image , canopy , hardwood , temperate climate , remote sensing , environmental science , reflectivity , vegetation (pathology) , yield (engineering) , multispectral pattern recognition , agronomy , geography , biology , botany , medicine , physics , materials science , pathology , optics , metallurgy
Phenologic events which may be related to yields of economic plant species in humid and sub‐humid temperate regions are difficult and expensive to observe and measure. Sequential multispectral reflectance data obtained by an orbiting satellite (LANDSAT‐1) over 14 preselected sites in central and eastern United States during a 14‐month period were examined. Analysis of data from four reflectance bands (0.5 to 1.1 μ m) indicated that foliage color, leaf senescence, and regrowth differences among hardwood timber stands can be detected and quantified. The results suggest the need for continued development of these monitoring techniques for use in detecting and quantifying conditions of economic plants which may affect yield.