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Land movement monitoring at the Mavropigi lignite mine using spaceborne D-InSAR

Tripolitsiotis Achilleas, Steiakakis Manolis, Agioutantis Zacharias, Mertikas Stelios, Partsinevelos Panagiotis, Pavlos Schilizzi

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Year 2013
Type of Item Peer-Reviewed Journal Publication
Bibliographic Citation Tripolitsiotis  A. C. Steiakakis Z. Agioutantis S. Mertikas P. Partsinevelos P. Schilizzi (2013). "Land movement monitoring at the Mavropigi lignite mine using spaceborne D‐InSAR", Proc. SPIE 8795, First International Conference on Remote Sensing and Geoinformation of the Environment (RSCy2013), Aug. 5, 2013.
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This paper examines the capability of remote sensing radar interferometry to monitor land movements, as it varies with time, in areas close to open pit lignite mines. The study area is the “Mavropigi” lignite mine in Ptolemais, Northern Greece; whose continuous operation is of vital importance to the electric power supply of Greece. The mine is presently 100-120m deep while horizontal and vertical movements have been measured in the vicinity of the pit. Within the mine, ground geodetic monitoring has revealed an average rate of movement amounting to 10-20mm/day at the southeast slopes. In this work, differential interferometry (DInSAR), using 19 Synthetic Aperture Radar (SAR) images of ALOS satellite, has been applied to monitor progression of land movement caused my mining within the greater area of “Mavropigi” region. The results of this work show that DInSAR can be used effectively to capture ground movement information, well before signs of movements can be observed visually in the form of imminent fissures and tension cracks. The advantage of remote sensing interferometry is that it can be applied even in inaccessible areas where monitoring with ground equipment is either impossible or of high-cost (large areas).