Studying Optical Characteristics of Diffused Light Reflecting from Naturally Senescing Leaves of Deciduous Trees
| Autor: | V. Yu. Buz’ko, Yu.V. Mamelin, G. F. Kopytov |
|---|---|
| Rok vydání: | 2020 |
| Předmět: |
040101 forestry
010504 meteorology & atmospheric sciences General Computer Science General Mathematics General Engineering General Physics and Astronomy 04 agricultural and veterinary sciences General Chemistry Biology 01 natural sciences Deciduous Botany 0401 agriculture forestry and fisheries 0105 earth and related environmental sciences |
| Zdroj: | Herald of the Bauman Moscow State Technical University. Series Natural Sciences. :72-82 |
| ISSN: | 1812-3368 |
| Popis: | Study object included leaves of deciduous trees in the Krasnodar Territory at different stages of senescing visually manifested in their color alteration. Study subject was the optical characteristics of light diffused reflection from green, yellow-green and yellow leaves of deciduous trees in the Krasnodar Territory during the autumn season. Work objective lies in identifying the possibility to establish differences between green leaves of deciduous trees, and yellow-green and yellow leaves of deciduous trees using the terrain multispectral and hyperspectral sounding methods, as well as collecting information on spectral characteristics of the diffused light being reflected from various biological objects. Results of quantitative and qualitative analysis of data obtained through the diffused light reflectance spectroscopy from leaves of deciduous trees are presented. Narrow-band vegetation indices mNDVI705, mSR705, CRI1, SIPI and PSRI were used in quantitative analysis of data on the diffused light reflection spectra obtained from green, yellow-green and yellow leaves of deciduous trees. It was revealed that the use of narrow-band vegetation indices in the remote sensing algorithms using multi- and hyperspectral cameras makes it possible to rather accurately distinguish leaves at different stages of senescing. Optical characteristics of diffused light reflection from green, yellow-green and yellow leaves of deciduous trees, which are typical species of trees in urban and rural plantings in the Krasnodar Territory, are described for the first time |
| Databáze: | OpenAIRE |
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