| Autor: |
L. Fukshansky, A. Martinez v. Remisotosku, J. H. McClendon |
| Rok vydání: |
1992 |
| Předmět: |
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| Zdroj: |
Botanica Acta. 105:362-366 |
| ISSN: |
0932-8629 |
| DOI: |
10.1111/j.1438-8677.1992.tb00313.x |
| Popis: |
Parameters of light propagation in plant leaves — absorption and scattering coefficients, asymmetry of scattering — have been estimated on the basis of measured transmission and emission as well as internal fluxes. This estimation has been carried through by solving the inverse problem of the 4-flux radiative transfer — a theory considering forward and backward diffuse as well as directed components of the overall radiation in a multiple scattering sample. Using the gained parameters, light flux gradients in a two-layered model leaf have been calculated at different wavelengths. Monte Carlo simulation of absorption spectra performed with the parameters obtained with this treatment is in a good agreement with experimental spectra, thus substantiating the theory. Parallel calculations with the two-flux (Kubelka-Munk) theory provide an estimation of the accuracy and applicability of this more simple treatment. Calculations have been performed for three different plants: Catalpa bignonioides, Tilia americana and Vitis riparia. |
| Databáze: |
OpenAIRE |
| Externí odkaz: |
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