spectral reflectance


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spectral reflectance

[′spek·trəl ri′flek·təns]
(analytical chemistry)
Situation when the desired directions for analysis of energy from (reflected from) an object under spectrophotometric colorimetric analysis is diffused in all directions (not directed as a single beam).
References in periodicals archive ?
Relationships between leaf chlorophyll content and spectral reflectance and algorithms for non- destructive chlorophyll assessment in higher plant leaves.
The potential of spectral reflectance technique for the detection of grapevine leaf roll-associated virus-3 in two red-berried wine grape cultivars, Comput.
As the island size becomes smaller, the peak of the spectral reflectance shifts to a shorter wavelength or blue region, showing a negative b-value (an index of the position between yellow and blue) which results in a bluish appearance.
The spectral reflectance of soils is determined by an assemblage of physical factors of which moisture content is deemed the most important, as it has the greatest overall impact on soil reflectance (Baumgardner et al.
Spectral Reflectance Methodology in Comparison to Traditional Soil Analysis.
For example, PROSAIL is a radiative transfer model that simulates canopy spectral reflectance given information on solar geometry and plant canopy traits, including leaf area index (LAI), chlorophyll content (Cab), and others.
Spectral reflectance changes associated with autumn senescence of Aesculus hippocastanum L and Acer platanoides L leaves--spectral features and relation to chlorophyll estimation.
Having obtained the calibration spectra and the reflectance values of the two backing surfaces, two sets of spectral reflectance measurements were taken for each sample listed in Table 1.
It should be pointed out that minor planet Scheila is very unusual in that, based on its spectral reflectance characteristics, it belongs to a relatively rare class of asteroid, the T-type.
In mathematical terms, these programs very coarsely sample the spectral power distributions of the light sources and the spectral reflectance and transmittance distributions of the surface materials.
Atmospheric Correction: FLAASH is a first-principles atmospheric correction modeling tool for retrieving spectral reflectance from hyperspectral and multispectral radiance images.

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