Abstract
The patterns of the phase portraits of vegetation (agrophytocenosis, woody vegetation) constructed using two-dimensional space radiation temperature values and Normalized Difference Vegetation Index were studied. An analysis of the phenological variability of vegetation in the south of the Krasnoyarsk Territory and the Republic of Khakassia during the growing seasons of 2003 and 2006 was carried out. Distinctive features of the phase portraits of agrophytocenosis and woody vegetation were revealed. The possibility of determining the boundaries of phenological states in the phytocenosis, and the transition range from one state into another was shown. Based on the complex analysis of the reflexive and radiative properties of the plant samples, an algorithm for calculating the start and end of the growing season was developed.
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Abbreviations
- NDVI:
-
normalized difference vegetation index
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Original Russian Text © I.Yu. Botvich, A.P. Shevyrnogov, 2017, published in Biofizika, 2017, Vol. 62, No. 4, pp. 815–819.
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Botvich, I.Y., Shevyrnogov, A.P. A study of the phenological variability of terrestrial ecosystems in the south of the Krasnoyarsk Territory and Khakassia based on satellite data. BIOPHYSICS 62, 667–670 (2017). https://doi.org/10.1134/S0006350917040030
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DOI: https://doi.org/10.1134/S0006350917040030