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Title: THE COMBINATION OF SENTINEL-1A AND SENTINEL-1B SAR DATA FOR GROUND DEFORMATION MONITORING WITHIN THE UPPER SILESIAN COAL BASIN
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THE COMBINATION OF SENTINEL-1A AND SENTINEL-1B SAR DATA FOR GROUND DEFORMATION MONITORING WITHIN THE UPPER SILESIAN COAL BASIN
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1314-2704
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English
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17
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22
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This work presents improvement of land subsidence monitoring obtained by combining results of Sentinel-1A and Sentinel-1B data processing. In presented work DInSAR (Differential Interferometry SAR) technique was used. Results of DInSAR technique provide information about values of vertical deformation of the surface. Using this technique the areas endangered by subsidence phenomenon can be identified and appropriate steps in order to save the infrastructure, buildings, roads, and also human life can be taken. The subsidence monitoring is especially important in the areas where active underground coal mines occurs. In Poland, the Upper Silesian Coal Basin (USCB) is the largest active mining region. Due to intensive mining activities in this region, resulting subsidence troughs are very often characterized by dynamic changes. Hence, it is necessary to use high temporal resolution of SAR images in order to observe changes in surface stability and ensure appropriate monitoring of ground subsidence. Thanks to data acquired from Sentinel-1A the differential interferograms could be generated every 12 days. However, since Sentinel-1B was launched, it is possible to obtain data even every 6 days. In this work 12-days interferograms as well as 6-days interferograms are presented for the USCB. Combined analysis of Sentinel-1A and Sentinel-1B data (acquired in Interferometric Wide Swath mode) allows to detect both areas: where ground subsidence occurs rapidly (using 6-days interferograms) and where ground subsidence occurs more slowly but regularly (using 12-days interferograms).
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conference
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17th International Multidisciplinary Scientific GeoConference SGEM 2017
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17th International Multidisciplinary Scientific GeoConference SGEM 2017, 29 June - 5 July, 2017
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Proceedings Paper
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STEF92 Technology
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International Multidisciplinary Scientific GeoConference-SGEM
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Bulgarian Acad Sci; Acad Sci Czech Republ; Latvian Acad Sci; Polish Acad Sci; Russian Acad Sci; Serbian Acad Sci & Arts; Slovak Acad Sci; Natl Acad Sci Ukraine; Natl Acad Sci Armenia; Sci Council Japan; World Acad Sci; European Acad Sci, Arts & Letters; Ac
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617-624
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29 June - 5 July, 2017
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website
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cdrom
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3150
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DInSAR; Ground Subsidence; SAR; Sentinel-1
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