Monitoring of geohazards using differential interferometric satellite aperture radar in Australia

Teodosio, Bertrand; Wasantha, P. L. P.; Yaghoubi, Ehsan; Guerrieri, Maurice; Fragomeni, Sam; Staden, Rudi Cobus Van

doi:10.1080/01431161.2022.2106457

Cited by 6 publications

(5 citation statements)

References 62 publications

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“…Monitoring of the mine earthquake phenomenon is also an important part of the prevention of dynamic disasters. At present, the research on monitoring of mine earthquake dynamic phenomenon has also made some progress, and the research mainly focuses on the monitoring technology, algorithm, system platform and other aspects of mine earthquake dynamic phenomenon (Teodosio et al 2022). At present, the research on the focal mechanical parameter system for mine earthquakes is relatively scarce.…”

Section: Monitoring Of Mine Earthquakementioning

confidence: 99%

Occurrence mechanism and prevention technology of rockburst, coal bump and mine earthquake in deep mining

Du,

Bi,

Khandelwal

et al. 2024

Geomech. Geophys. Geo-energ. Geo-resour.

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Rockburst, coal bump, and mine earthquake are the most important dynamic disaster phenomena in deep mining. This paper summarizes the differences and connections between rockburst, coal bumps and mine earthquakes in terms of definition, mechanism, phenomenon, evaluation index, etc. The definition and evolution progress of the three disaster categories are summarized, as well as the monitoring, early warning, and prevention measures are also presented. Firstly, by combining theoretical research with specific technologies and engineering field cases, the main categories and failure mechanisms of rockburst, coal bumps and mine earthquakes are introduced. Then, the evaluation indexes of coal bump and mine earthquake are summarized, and a new evaluation index of rockburst is given. Finally, the characteristics of monitoring, early warning technologies and prevention methods of rockburst, coal bumps, and mine earthquakes are discussed in technology and application. At last, the future directions of rockburst, coal bump and mine earthquake are put forward.

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Section: Monitoring Of Mine Earthquakementioning

confidence: 99%

Occurrence mechanism and prevention technology of rockburst, coal bump and mine earthquake in deep mining

Du,

Bi,

Khandelwal

et al. 2024

Geomech. Geophys. Geo-energ. Geo-resour.

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“…The temporal baseline (B t ), which is the time delay between the reference and the secondary SAR images, is important to consider. This influences the probability of changes in backscattering properties, ϕ scatt−1 and ϕ scatt−2 , primarily due to changes in the land cover or vegetation and wind-induced tree movements [23].…”

Section: Satellite Imaging and Analysismentioning

confidence: 99%

“…The application of PSI and SBAS can exploit the phase history over a long period that can identify meaningful spatiotemporal trends. DInSAR, PSI, and SBAS have been applied to earthquakes [22], ground subsidence and heaving [23], landslides [24], mining [25], and volcanic activities [26].…”

Section: Introductionmentioning

confidence: 99%

Satellite Imaging Techniques for Ground Movement Monitoring of a Deep Pipeline Trench Backfilled with Recycled Materials

et al. 2022

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The damage to pipeline infrastructures caused by reactive soils has been a critical challenge for asset owners. Sustainable backfilling materials have recently gained interest to stabilize highly reactive zones as a pre-emptive approach towards sustainability. In this study, two adjacent sections of a sewer pipeline trench in Melbourne, Australia were backfilled with two blends of 100% recycled aggregates. The sites were monitored for ground deformations during October 2020–February 2022 (17 months) using surveying techniques. Interferometric synthetic aperture radar (InSAR) techniques and algorithms were also employed to estimate the ground movements of the sites and surrounding regions. The cross-validation of deformation results achieved from both techniques enabled an in-depth analysis of the effectiveness of the recycled aggregates to address reactive soil issues in urban developments. Observational deformation data and their spatiotemporal variation in the field were satisfactorily captured by the InSAR techniques: differential InSAR (DInSAR), persistent scatterer interferometry (PSI), and small baseline subset (SBAS). The SBAS estimations were found to be the closest to field measurements, primarily due to the analysis of zones without well-defined geometries. This study’s contribution to existing knowledge defines the spatiotemporal influence of sustainable backfill in areas with reactive soil through field data and satellite imaging. The relationship between InSAR techniques and actual field behavior of sustainable backfill can be a baseline for the growing construction that may be challenging to perform field monitoring due to resource constraints.

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“…Bangkok, the capital of Thailand, continues to settle at 50 mm/year, leading to more flooding and seawater inundation recently than the previous years (Thanvisitthpon et al., 2018). Moreover, urban surface subsidence has also been monitored in cities in the United Kingdom, Egypt, Australia, and Japan, leading to disasters of varying degrees (Aimaiti et al., 2018; Al‐Sittawy et al., 2019; Scoular et al., 2022; Teodosio et al., 2022). Thus, urban surface deformation has become a worldwide challenge.…”

Section: Introductionmentioning

confidence: 99%

Investigating Surface Deformation and Its Intrinsic Mechanism in Shenzhen, China Using Sentinel‐1A SAR Imagery

Zhou

Liu

et al. 2023

Earth and Space Science

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To avoid disasters caused by surface deformation in urban areas, monitoring and analyzing the mechanism of surface deformation in urban areas on a large scale and in long‐term series is mandatory. Based on PS‐InSAR technology and using 157 Sentinel‐1A images, the surface deformation in Shenzhen was monitored from 2015 to 2022, and the obtained deformation rate ranged from −22.8 to +23.2 mm/year. In this paper, analysis is presented by integrating urbanization, climate, and geology data from Shenzhen. The analysis indicates that surface deformation caused by natural factors is typically observed in regions with unique geological characteristics, such as seasonal deformation in sedimentary areas and uplift along reverse fault zones. Human factors chiefly cause subsidence, and the areas with greater subsidence are generally urbanized areas (∼10 mm/year), industrial areas (∼20 mm/year), and reclamation areas (∼15 mm/year). The deformation of the reservoir dam is subject to multiple factors. The differential subsidence of 2–8 mm/year at both ends is due to the engineering geological conditions. In comparison, the weak rotation with a linear velocity of 18 mm/year is due to hydrostatic pressure and its structural characteristics. The research results of this paper systematically explore the phenomena and the intrinsic mechanism of surface deformation in Shenzhen, providing a safety basis for urban development and emergency disaster prevention in Shenzhen.

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Monitoring of geohazards using differential interferometric satellite aperture radar in Australia

Cited by 6 publications

References 62 publications

Occurrence mechanism and prevention technology of rockburst, coal bump and mine earthquake in deep mining

Occurrence mechanism and prevention technology of rockburst, coal bump and mine earthquake in deep mining

Satellite Imaging Techniques for Ground Movement Monitoring of a Deep Pipeline Trench Backfilled with Recycled Materials

Investigating Surface Deformation and Its Intrinsic Mechanism in Shenzhen, China Using Sentinel‐1A SAR Imagery

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