Geophysical research: article

MONITORING OF SUBSIDENCE IN BEREZNIKI (PERM REGION) BY SAR INTERFEROMETRY: I. DIFFERENTIAL INTERFEROMETRY
I.P. Babayantz1
A.A. Baryakh2
M.S. Volkova1
V.O. Mikhailov1
E.P. Timoshkina1
S.A. Khairetdinov1
1 Schmidt Institute of Physics of the Earth, Russian Academy of Sciences, Moscow, Russia 2 Mining Institute of the Ural Branch of the Russian Academy of Sciences, Perm, Russia
Journal: Geophysical research
Tome: 22
Number: 4
Year: 2021
Pages: 73-89
UDK: 550.31
DOI: 10.21455/gr2021.4-5
Full text
Keywords: SAR interferometry, monitoring of subsidence, potash mines, Berezniki, sinkholes
Аnnotation: The paper discusses the methodological issues of SAR monitoring (differential satellite interferometry DInSAR and stable reflectors) of the ground surface subsidence over Berezniki potash mines (Perm region). The subsidence caused by mining works has occurred for many years, but its rate remained low for a long time. The situation changed dramatically in 2006, when the largest accident in the world practice of exploration of water-soluble ore-deposits occurred – the mine of the First Bereznikovski Potash Mining Administration was flooded. The mine was located directly under the town of Berezniki, the second largest city in the Perm district, with a population of about 150 thousand people. We have estimated the displacements of the ground surface by the method of differential satellite interferometry DInSAR, based on the interferometric processing of pairs of TerraSAR-X satellite images, performed with 11-day interval. We demonstrated that satellite data steadily recovers the current subsidence in the territory of Berezniki. This allows monitoring of subsidence with minimal time delay. The displacements in the main subsidence areas for 22 and 33 days are confidently distinguished from SAR images against the background of various noises. Calculations of displacements based on pairs of the Sentinel-1B SAR images, which have a longer wavelength, turned out to be not stable enough. Due to the lower coherence, the displacement maps obtained from the images of this satellite are less detailed. Therefore, we recommend using the Sentinel-1B images for calculating the time series of displacements by the methods of persistent scatterers. The assessment of subsidence within the territory under consideration by the indicated methods will be presented by the authors in the next article. The obtained subsidence fields are in good agreement with the ground geodesy data. The calculation resuls allow us to conclude that despite the continuing subsidence of the ground over the sinkholes, in general, the measures taken to stabilize the subsidence work effectively.
Bibliography: Baryakh A.A., Krasnoshtein A.E., Sanfirov I.A., Mining accidents: flooding of the First Bereznikovsky potash mine, Vestnik Permskogo nauchnogo tsentra (Proceedings of the Perm Scientific Center), 2009, no. 2, pp. 40-49. [In Russian].

Baryakh A., Samodelkina N., Geomechanical Estimation of Deformation Intensity above the Flooded Potash Mine, Journal of Mining Science, 2018, vol. 53, no. 4, pp. 630-642.

Baryakh A.A., Sanfirov I.A., Dyagilev R.N., Monitoring the consequences of flooding a potash mine, Gorniy Jurnal (Mining Journal), 2013, no. 6, pp. 34-39. [In Russian].

Bush V., Hebel H.P., Schaffer M., Walter D., Baryakh A., Control of underworked areas subsidence using the radar interferometry methods, Marksheideriya I nedropol’zovanie (Mine Surv. Subsurf. Use), 2009, no. 2, pp. 38-43. [In Russian].

Ferretti A., Prati C., Rocca F., Permanent scatterers in SAR interferometry, IEEE Transactions on geoscience and remote sensing, 2001, vol. 39, no. 1, pp. 8-20.

Gnevanov I.V., Shamin P.V., Assessment of deformations of the earth's surface of mining area of the “Uralkali” in the Berezniki city by methods of radar interferometry, Geomatica (Geomatics), 2012, no. 1, pp. 56-60. [In Russian].

Hanssen R., Radar Interferometry: Data Interpretation and Error Analysis, Dordrecht: Kluwer Academic Publishers, 2001, 328 p.

Mikhailov V.O., Kiseleva E.A., Dmitriev P.N., Golubev V.I., Smol'yaninova E.I., Timoshkina E.P., Estimation of full vector of displacements of the Earth' surface and technogenic objects based on InSAR data applied to oil and gas production areas, Geofizicheskie Issledovaniya (Geophysical Research), 2012, vol. 13, no. 3, pp. 5-17. [In Russian].

Mikhailov V.O., Kiseleva E.A., Baryakh A.A., Isaev Yu.S., Smol’yaninova E.A., On the possibilities of monitoring the dynamics of the development of subsidence of the earth's surface on the territory of Berezniki using images from the Sentinel satellite, in ХI-ya Vserossiiskaya shkola-seminar s mezhdunarodnym uchastiem “Fizicheskie osnovy prognozirovaniya razrusheniya gornykh porod”: Tezisy dokladov (11th All-Russian School-Seminar with International Participation “Physical Foundations of Forecasting Rock Fracture”: Abstracts), Perm': GoI UrO RAN, 2019, pp. 35-36. [In Russian].

Mikhailov V.O., Kiseleva E.A., Smol’yaninova E.I., Dmitriev P.N., Golubev V.I., Isaev Y.S., Dorokhin K.A., Timoshkina E.P., Khairetdinov S.A., Some problems of landslide monitoring using satellite radar imagery with different wavelengths: Case study of two landslides in the region of Greater Sochi, Izvestiya, Physics of the Solid Earth, 2014, vol. 50, no. 4, pp. 576-587.

Mikhailov V.O., Nazaryan A.N., Smirnov V.B., Kiseleva E.A., Tikhotskii S.A., Smol'yaninova E.I., Timoshkina E.P., Polyakov S.A., Diament M., Shapiro N., Joint inversion of the differential satellite interferometry and GPS data: a case study of Altai (Chuia) earthquake of September 27, 2003, Izvestiya, Physics of the Solid Earth, 2010, vol. 46, no. 2, pp. 91-103. DOI: 10.1134/S1069351310020011

Mikhailov V.O., Volkova M.S., Timoshkina E.P., Shapiro N.M., Babayantz I.P., Dmitriev P.N., Khairetdinov S.A., Analysis of displacements of the lava flow surface of the 2012–2013 Tolbachik fissure eruption by SAR interferometry, Geofizicheskie Issledovaniya (Geophysical Research), 2020, vol. 21, no. 4, pp. 21-34. [In Russian]. https://doi.org/10.21455/gr2020.4-2

Samsonov S., Baryakh A., Estimation of Deformation Intensity above a Flooded Potash Mine Near Berezniki (Perm Krai, Russia) with SAR Interferometry, Remote Sensing, 2020, vol. 12, no. 19, pp. 3215. doi: 10.3390/rs12193215

Verba V.S., Neronski L.B., Osipov I.G., Turuk V.E., Radiolokatsionnie sistemi zemleobzora kosmicheskogo bazirovaniya (Satellite radar systems for remote sensing), Moscow: Radiotechnika, 2010, 675 p. [In Russian].