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INTEGRATED APPLICATION OF GNSS AND SATELLITE RADAR DATA TO DETERMINE THE DYNAMICS OF MOVEMENTS OF THE DNIPRO LOWLAND

INTEGRATED APPLICATION OF GNSS AND SATELLITE RADAR DATA TO DETERMINE THE DYNAMICS OF MOVEMENTS OF THE DNIPRO LOWLAND

Abstract

The study of vertical movements of the earth's crust in the Dnipro Lowland, carried out through the integrated use of GNSS observations and differential interferometry DInSAR, has provided data on the dynamics of geological processes in the region. The surface deformations were monitored at the permanent network points (GLSV, CNIV, PRYL, POLV, DNMU, ZPRS, SMLA). GNSS data were used for each station, each of which is part of the European EPN network. Deformation processes were additionally checked by differential interferometry DInSAR. We used 208 C-band SLC IW images acquired from the Sentinel-1 satellite in 2021. The radar images were uploaded to the Vertex (ASF) web platform. Vertical displacements were calculated using SNAP software. Differential interferograms were created sequentially on the basis of two radar images relative to the reference image taken at the beginning of the measurement epoch and the comparison image with which the interference was performed. To ensure the accuracy of the interferometric analysis, the reference and comparison images were selected with similar geometric conditions and with a time interval of multiples of 12 days. Changes were recorded for a single pixel that fell on a point of the permanent network. The applied research methodology allowed us to determine the scale and direction of vertical movements, which is important for predicting possible geological changes and assessing their impact on the region's infrastructure facilities. It was found that the territory of the Dnipro Lowland is characterized by various indicators of vertical displacements of the earth's surface, which are associated with both natural tectonic processes and anthropogenic impact, in particular, hydrocarbon production and constant shelling. The results obtained can be used to develop recommendations for safe mining operations and planning the location of important engineering structures.

З комплексним застосуванням ГНСС‒спостережень і диференціальної інтерферометрії DInSAR визначено динаміку вертикальних рухів земної кори Придніпровської низовини. За застосованою методологією дослідження змогли визначити масштаби та напрямки вертикальних рухів, що має важливе значення для прогнозування можливих геологічних змін та оцінювання їхнього впливу на інфраструктурні об’єкти регіону. Отримані результати можуть бути використані для розроблення рекомендацій щодо безпечного ведення видобувних робіт і планування розміщення важливих інженерних споруд.

Keywords

вертикальні зміщення, ГНСС‒станції, ГНСС‒спостереження, InSAR, диференціальна інтерферометрія, супутникова радіолокація, Придніпровська низовина, vertical displacements, GNSS‒stations, GNSS‒observations, InSAR, differential interferometry, satellite radar, Dnipro Lowland

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
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