Analysis of remote imaging of pitwall using interferometric radar technique

The research aims at the analysis of calculated displacements of ground surface at open pitwall using the open-access data of the synthetic aperture radar with the examination of features of this method for the purpose of large pitwall displacement monitoring. For the ground surface displacement assessment at pitwall, the accessible series of Sentinel 1-A satellite images were collected and processed. The source data were 17 images taken at an interval of 12 days in the snowless season between March 11 and September 19 in 2023. The data processing used special software system SNAP. The ground surface displacement estimation at the pitwall used the methods of differential interferometry DInSar and persistent scatter (PS) interferometry in combination with the STAMPS algorithm. The image processing allowed detecting a pitwall zone with the largest displacements. The DInSAR results are compared by collating the interferometric pairs acquired at different times. The variability of the pixel displacement on a site of the pitwall is evaluated, and the optimized time period between images is determined on this basis.

Novozhenin S. Yu., Ilyukhin D. A., Fedorov T. S., Volkova J. A. Analysis of remote imaging of pitwall using interferometric radar technique. MIAB. Mining Inf. Anal. Bull. 2025;(10):97-111. [In Russ]. DOI: 10.25018/0236_1493_2025_10_0_97.

The study was carried out in the framework of the state contract with the Ministry of Science and Higher Education of the Russian Federation, Contract No. FSRW2023-0002 Basic Interdisciplinary Research of Subsoil and Integrated Management of Georesources.

S.Yu. Novozhenin¹, Cand. Sci. (Eng.), Assistant Professor, Assistant Professor, e-mail: Novozhenin_SYu@pers.spmi.ru, ORCID ID: 0000-0001-5398-4777,
D.A. Ilyukhin¹, Cand. Sci. (Eng.), Assistant Professor, Assistant Professor, e-mail: kmd@spmi.ru, ORCID ID: 0000-0001-8469-334X,
T.S. Fedorov, 199106, Saint-Petersburg, Russia, e-mail: kmd@spmi.ru,
J.A. Volkova, Cand. Sci. (Eng.), Acting Head of Chair, Saint-Petersburg State University of Architecture and Civil Engineering, 190005, Saint-Petersburg, Russia, e-mail: yavolkova@lan.spbgasu.ru, ORCID ID: 0000-0001-6282-2366,
¹ Empress Catherine II Saint-Petersburg Mining University, 199106, Saint-Petersburg, Russia.

S.Yu. Novozhenin, e-mail: Novozhenin_SYu@pers.spmi.ru.

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