Информационные Свойства Спектральных Коэффициентов Яркости И Вегетационных Индексов Для Калибровки Аэрокосмических Снимков

Guseinov,; Смоктий,

doi:10.15622/sp.2.32

Тр. СПИИРАН

2014

DOI: 10.15622/sp.2.32

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Информационные Свойства Спектральных Коэффициентов Яркости И Вегетационных Индексов Для Калибровки Аэрокосмических Снимков

Guseinov Guseinov¹,

Смоктий Смоктий²

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Spectral characteristics of some agricultural crops in different phenological phases of vegetation

Tabunschik¹,

Chekmareva²,

Gorbunov³

2020

Sbornik naučnyh trudov

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For deciphering crops from satellite images at different time periods, it is necessary to have information about the spectral reflectivity of plants during their passage through the phenological phases of vegetation. An attempt was made to evaluate the spectral reflectivity of the main fruit crops and grapes in different phenological phases of the growing season using Sentinel-2 satellite images and the ENVI software package. Field research methods, plots were selected on which peach, grapes, cherries, apple trees, plums, and apricots grow are used. It was established that planting crops was carried out by mixing cultivars in order to reduce the risk of additional costs as a result of possible adverse natural processes and phenomena. For each section, the maximum, minimum, and average values of the spectral brightness coefficient were obtained and analyzed within 13 bands of Sentinel-2 satellite images. Space images were selected for 04/07/2019, 04/27/2019 and 05/12/2019, as the most suitable for the periods of the beginning of flowering (04/07/2019), the end of flowering (04/27/2019) and the beginning of fruit ripening (12/05/2019), with minimal cloud overlap values. To eliminate the external influence of the soil within each pixel of the image, the linear spectral separation module of the ENVI software package was used, a reference soil fragment was selected and its spectral characteristics were obtained, which made it possible to depict graphs of the spectral curves of the crops under study within each section. It was not possible to obtain a distinction of the spectral brightness coefficient for all sections, which is associated with the presence of additional external elements.

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Spectral characteristics of some agricultural crops in different phenological phases of vegetation

Tabunschik¹,

Chekmareva²,

Gorbunov³

2020

Sbornik naučnyh trudov

View full text Add to dashboard Cite

show abstract

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Информационные Свойства Спектральных Коэффициентов Яркости И Вегетационных Индексов Для Калибровки Аэрокосмических Снимков

Cited by 1 publication

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Spectral characteristics of some agricultural crops in different phenological phases of vegetation

Spectral characteristics of some agricultural crops in different phenological phases of vegetation

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