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Journal of Mining Sciences

2018 year, number 4

Monitoring of Surface Subsidence under Mining at the Sokolov-Sarbai Deposit by Radar Interferometry

A. V. Usanova, S. V. Usanov
Institute of Mining, Ural Branch, Russian Academy of Sciences, Yekaterinburg, 620219 Russia
Keywords: дистанционное зондирование Земли, архивные радиолокационные снимки, сдвижение горных пород, Соколовское месторождение, мульда сдвижения, оседания, Earth remote sensing, archive radar images, rock movement, Sokolov deposit, subsidence trough, displacements

Abstract

The ground surface subsidence under mining at the Sokolov-Sarbai iron ore deposit is measured using radar survey data obtained over the period from 2006 to 2016. The purpose of the research is to determine features of the process inside the subsidence trough at Sokolovskaya Mine under conditions of water-encroached loose formations. Using a series of Alos Palsar and Alos2 satellite radar images, the vertical subsidence in the test area of the deposit is evaluated. The history and boundaries of displacements within the subsidence trough, in pitwalls and in dump slopes are determined.