Activation of a New Landslide Process on the Bureya According to Interferometric Measurements by the PALSAR-2 Radar

Based on the results of processing an interferometric pair of PALSAR-2 L-band synthetic aperture radar (SAR) images taken over the territory of the Bureya landslide in May 2019 and May 2020 from the ALOS-2 satellite, a new unstable surface region has been discovered. The average monthly rate of soil...

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Bibliographic Details
Published in:Journal of communications technology & electronics 2023-09, Vol.68 (9), p.966-970
Main Authors: Zakharova, L. N., Zakharov, A. I., Nikitov, S. A.
Format: Article
Language:English
Subjects:
Artificial satellites in remote sensing
Communications Engineering
Engineering
Interferometry
Landslides
Networks
ON THE 70th ANNIVERSARY OF THE INSTITUTE OF RADIOENGINEERING AND ELECTRONICS
Radar imaging
RUSSIAN ACADEMY OF SCIENCES
Synthetic aperture radar
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Summary:Based on the results of processing an interferometric pair of PALSAR-2 L-band synthetic aperture radar (SAR) images taken over the territory of the Bureya landslide in May 2019 and May 2020 from the ALOS-2 satellite, a new unstable surface region has been discovered. The average monthly rate of soil displacement was estimated to be up to 1 cm/month along the slope surface at the site of the formation of a new scarp. It is noted that the materials of interferometric processing of archival data did not previously reveal any movements of the slope surface in this place. The most probable reason for the activation of the landslide process in the new area is named: a violation of stability as a result of the descent in December 2018 of the underlying landslide body.
ISSN:1064-2269
1555-6557
DOI:10.1134/S1064226923090280