Land subsidence rebound detected via multi-temporal InSAR and ground truth data in Kalochori and Sindos regions, Northern Greece

Svigkas, Nikos; Papoutsis, Ioannis; Loupasakis, Constantinos; Tsangaratos, Paraskevas; Kiratzi, Anastasia; Kontoes, Charalampos

doi:10.1016/j.enggeo.2016.05.017

Cited by 45 publications

(17 citation statements)

References 36 publications

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“…Nevertheless, the intriguing output was provided by the ENVISAT data archive covering the period 2003-2010, showing that there was a change in motion trend, from subsidence to uplift ( Fig. 3) (Svigkas et al, 2016). The uplifting trend of the second decade is well correlated with hydrogeological data following a synchronous rise of the aquifer water level, but with an offset of 1.5 years.…”

Section: Wider Kalochori-sindos Plain Area At the West Of Thessalonikimentioning

confidence: 81%

“…The groundwater recharge (contour shading in m) between June 2000 and June 2015 correlated with the displacements along LOS in mm yr −1 from 2003 to 2010 (SAR data -dots). The aquifers recharge triggers the uplift of the study area(Svigkas et al, 2016).…”

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confidence: 99%

“…Graph comparing the ground water level variations at Drills 1 with the surface deformation time series at nearby data points produced by the SAR analysis(Svigkas et al, 2016).…”

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confidence: 99%

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An overview of the land subsidence phenomena occurring in Greece, triggered by the overexploitation of the aquifers for irrigation and mining purposes

Loupasakis¹

2020

Proc. IAHS

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Land subsidence caused by overexploitation of aquifers manifests with an increasing frequency in several regions of Greece. The first signs of land subsidence have been identified since 1965 at the west side of Thessaloniki (broader Kalochori village region), in the form of a progressive marine invasion. Since then several areas have been investigated and proved to be affected mainly by the overexploitation of the aquifers. The Multidisciplinary nature of the subsidence mechanism combining the geological, hydrogeological and morphological setting of the areas with the human activities and the land use data makes their study complicated and require the intervention of multiple scientific specialties. Furthermore, at several sites, beside ground truth data, the land subsidence trends and extends have been also identified via multi-temporal InSAR techniques, such as PSI and SBAS techniques. Among the sites to be presented in the current paper is the wider area of Kalochori village in the eastern part of Thessaloniki plain, the east and west Thessaly plain in central Greece and the region extending to the west-southwest of the Amyntaio opencast coalmine in West Macedonia.

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Section: Wider Kalochori-sindos Plain Area At the West Of Thessalonikimentioning

confidence: 81%

mentioning

confidence: 99%

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An overview of the land subsidence phenomena occurring in Greece, triggered by the overexploitation of the aquifers for irrigation and mining purposes

Loupasakis¹

2020

Proc. IAHS

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“…However, in a later study, an uplifting pattern was identified in Svigkas et al [11] corresponding to the post-2000 period, covering the Environmental Satellite (ENVISAT) satellite era. This change in the deformation trend was attributed to the natural recharge of the aquifers, due to the cessation of groundwater pumping [14]. A Global Navigation Satellite System (GNSS) study covering the period 2013-2015 showed a mixture of subsidence and uplift displacement pattern [33].…”

Section: Kalochori-sindos Regionmentioning

confidence: 99%

“…The drill data of the same period indicate a decrease in the underground Figure 4. Geological map of the broader area of Kalochori-Sindos, source: [28] and [13] (modified from [14]).…”

Section: Kalochori-sindos Regionmentioning

confidence: 99%

InSAR Campaign Reveals Ongoing Displacement Trends at High Impact Sites of Thessaloniki and Chalkidiki, Greece

et al. 2020

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We studied the broader area of Thessaloniki in northern Greece and Chalkidiki and performed an InSAR campaign to study the surface deformation phenomena that have been known to exist for at least two decades. Sentinel-1 data (2015–2019) together with drill measurements were exploited to focus on specific sites of interest. Our results indicate an ongoing displacement field. At the region of Kalochori and Sindos—where intense subsidence in the 1990s was previously found to have had a natural surface rebound in the 2000s—a new period of subsidence, caused by the enlivenment of the groundwater overexploitation, was reported. The uplifting trend of Oreokastro is still active and subsidence in Anthemountas graben is ongoing; special focus was set on the Makedonia Airport, where significant displacement is occurring. The study also reveals a new area at Nea Moudania, that was not known previously to deform; another case corresponding to anthropogenic-induced surface displacement. Thessaloniki is surrounded by different persistent displacement phenomena, whose main driving mechanisms are anthropogenic. The sensitivity of the surface displacements to the water trends is highlighted in parts of the study area. Results highlight the plan of a water resources management as a high priority for the area.

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Radar Space Measurements of the Deforming Trends at Northern Greece Resulting from Underground Water Activity

Svigkas

Papoutsis

Loupasakis

et al. 2018

Advances in Remote Sensing and Geo Informatics Applications

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Land subsidence rebound detected via multi-temporal InSAR and ground truth data in Kalochori and Sindos regions, Northern Greece

Cited by 45 publications

References 36 publications

An overview of the land subsidence phenomena occurring in Greece, triggered by the overexploitation of the aquifers for irrigation and mining purposes

An overview of the land subsidence phenomena occurring in Greece, triggered by the overexploitation of the aquifers for irrigation and mining purposes

InSAR Campaign Reveals Ongoing Displacement Trends at High Impact Sites of Thessaloniki and Chalkidiki, Greece

Radar Space Measurements of the Deforming Trends at Northern Greece Resulting from Underground Water Activity

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