Sovremennye problemy distantsionnogo zondirovaniya Zemli iz kosmosa, 2018, Vol. 15, No. 1, pp. 183-192
General methodology and results of spectroradiometric research of reflective properties of the Heracleum Sosnowskyi in the range 320–1100 nm for Earth remote sensing
A.N. Grigoriev
1 , D.M. Ryzhikov
1 1 Saint Petersburg State University of Aerospace Instrumentation, Saint Petersburg, Russia
Accepted: 15.01.2018
DOI: 10.21046/2070-7401-2018-15-1-183-192
The article presents the results of research implemented for solving the case of detecting the Heracleum Sosnowskyi areas by multispectral optoelectronic means of Earth remote sensing. Current stage of conducting the above mentioned study is the proposed general methodology of field spectroradiometric research of the Heracleum Sosnowskyi. It includes main steps to choose testing range, evaluate the Heracleum Sosnowskyi properties and to perform calibration and spectroradiometric measurements with the following data processing and analysis. Several recommendations on performing field research with spectroradiometer are formulated. The description of proposed methodology realization with using PSR-1100 spectroradiometer is presented. Its provides the obtaining of values of radiance and coefficient of reflectance depending on the radiation wavelength in the range 320–1100 nm. The description of selected testing range in Leningrad region is provided. The projective coverage areas values of different underlying surface types of the testing range is evaluated. The results for spectroradiometric measurements of the Heracleum Sosnowskyi on the flowering phenological phase and of the grass vegetation are presented. The analysis of the Heracleum Sosnowskyi spectral reflectivity is performed on the basis of received data. The result is the features of reflective properties of the Heracleum Sosnowskyi separate elements in comparison with reflective properties of grass vegetation. The analysis also considers typical parameters of modern multispectral optoelectronic means of Earth remote sensing from space.
Keywords: spectral brightness coefficient, spectroradiometer, Heracleum Sosnowskyi, Earth remote sensing
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