Underground burning of Jharia coal mine (India) and associated surface deformation using InSAR data

Kim, Jung-Rack; Lin, Shih-Yuan; Singh, Ramesh P.; Lan, Chen-Wei; Yun, Hye-Won

doi:10.1016/j.jag.2021.102524

Cited by 17 publications

(9 citation statements)

References 36 publications

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“…From the LOS data, vertical up/down and east/west horizontal displacements can be detected, while north/south horizontal displacements cannot be detected due to the satellite's orbit motion. [2,9,15,16]. In order to compare the horizontal/vertical deformation velocities determined from Sentinel-1A satellite radar data with the horizontal/vertical deformation velocities obtained from GPS1 and GPS2 data, the DS points closest to the point where GPS1 and GPS2 were installed were considered (Figure 7).…”

Section: Methodology and Data Setmentioning

confidence: 99%

“…On the other hand, the InSAR method offers significant advantages such as monitoring large areas, high temporal resolution, and all-weather monitoring [13]. Nevertheless, the main disadvantages of this method include limitations in deformation tracking due to satellite transit times [5], the impact of atmospheric effects on measurement results [13,14], and the inability to determine north/south direction deformations [5,[8][9][10]15,16]. Considering these factors together, it is suggested that more accurate surface displacement estimates can be achieved by using GPS and InSAR methods together, providing results with both high temporal and spatial resolution [2,8].…”

Section: Introductionmentioning

confidence: 99%

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Evaluation of the Monitoring of Surface Deformations in Open-Pit Mines With Sentinel-1a Satellite Radar Data

POYRAZ,

GÜL,

POYRAZ

2023

Journal of Scientific Reports-A

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Accidents and loss of life can occur in surface mines due to large mass displacements (landslides). In order to prevent these irreversible situations, it is very important to identify displacements in advance or to take necessary measures by obtaining early warning signs. Within the scope of this study, satellite radar images (SAR, Synthetic Aperture Radar) obtained from the European Space Agency (ESA) Sentinel-1A satellite were used to reveal the traceability and monitoring sensitivity of deformations and possible mass displacements in the dump area of a mining operation. The results obtained from 2 Global Positioning Systems (GPS) installed in the field were compared with the results obtained from satellite radar data and their compatibility with each other was evaluated. When the horizontal/vertical velocity values obtained by decomposing the Sentinel-1A ascending and descending satellite line of sight (LOS, Line Of Sight) velocities were compared with the horizontal/vertical velocity values of GPS, the results were statistically equal. GPS-based vertical velocities were -131.5 mm/year at GPS1 and -20.7 mm/year at GPS2, while Sentinel-1A-based velocities were -94.5 mm/year at GPS1 and -7.8 mm/year at GPS2. While both GPS and satellite-based vertical deformations show the same direction (in the form of subsidence), the deformation velocity values obtained from satellite radar data are lower than GPS results. Horizontal deformations obtained with satellite radar data could not be determined in the north/south direction due to satellite orbital motions, while they could be partially determined in the east/west direction. GPS-based east/west horizontal velocities were +2.8 mm/year in GPS1 and unsignificant velocity was found in GPS2. Satellite-based east/west horizontal velocity values were +6.8 mm/year at GPS1 and +8.4 mm/year at GPS2.

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Section: Methodology and Data Setmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Evaluation of the Monitoring of Surface Deformations in Open-Pit Mines With Sentinel-1a Satellite Radar Data

POYRAZ,

GÜL,

POYRAZ

2023

Journal of Scientific Reports-A

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“…At present, many people have conducted research on the surface subsidence monitoring in the mining area using new measurement methods, including UAV [5], 3D laser scanning [6], InSAR [7][8][9][10][11], etc., but these methods have the disadvantage that the accuracy cannot meet the engineering requirements. Therefore, traditional field measurement methods, such as leveling, traverse, and GPS are still the main methods for subsidence monitoring in the mining area.…”

Section: Introductionmentioning

confidence: 99%

On-Site Measurement on Surface Disturbance Law of Repeated Mining with High Relief Terrain

et al. 2022

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Underground coal mining in high relief terrain often causes problems such as ground collapse and mountain sliding. This produces disasters such as mountain collapse and landslides, which seriously endangers the ecological environment and human settlements in the coal mining area and causes a series of public security events. To improve and solve the related problems, it is necessary to master the impact law of underground mining on ground surface. Therefore, taking the working face 1310 of Jincheng coal industry as an example, this paper adopts a new and improved RTK measurement technology for field measurement and analyzes the surface disturbance law by using field data. The results show that under the action of repeated mining in high relief terrain areas, there is a sudden subsidence in the flat bottom area of the surface moving basin, the strike influence scope is small, the dip influence scope in the downhill direction is larger, the dip horizontal movement curve loses its antisymmetry, and the dip subsidence curve loses its left-right symmetry. Through the analysis, it is found that the high reverse slope weakens the original disturbance and reduces the influence range of surface mining. On the contrary, repeated mining enhances the original disturbance, expands the influence range of surface mining, and flattens the movement deformation curve. Research results can provide a technical reference for the formulation and implementation of environmental remediation and treatment technologies in mining areas under similar conditions.

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“…Compared with the traditional method, the D-InSAR approach has the advantages of all-weather, all-time, wide spatial coverage, as well as low labour intensity and cost. Due to the working characteristics of the D-InSAR technology, it has been widely applied to monitor various types of deformations including large-scale urban land deformation information (Qu et al, 2014;Xiong et al, 2021), seismic deformation (Békési et al, 2021;Li et al, 2021), landslide deformation (Liu et al, 2016;Bekaert et al, 2020), coal mining subsidence (Kim et al, 2021;Modeste et al, 2021), volcanic deformation (Wang et al, 2018;Di Traglia et al, 2021) building deformation displacement of significant nature (Bayik et al, 2021;Ruiz-Armenteros et al, 2021) and other fields.…”

Section: Introductionmentioning

confidence: 99%

Decision-making fusion of InSAR technology and offset tracking to study the deformation of large gradients in mining areas-Xuemiaotan mine as an example

Yang

Zhu

et al. 2022

Front. Earth Sci.

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The multi-level disturbance of underground and surface caused by coal mining activities intensifies the deterioration of the ecological environment in the mining area. Among them, the uneven settlement caused by coal mining is the most intuitive manifestation of surface environmental damage. The uneven settlement in the mining area has the characteristics of large settlement magnitude and severe deformation. Therefore, based on 15 Sentinel-1A image data, this paper uses three methods: SBAS InSAR, continuous D-InSAR and offset tracking technology to monitor the surface deformation of the mining area. The results show that the continuous D-InSAR technology SBAS-InSAR technology is applied to the small deformation in the edge area of the subsidence basin. The mining area with low gradient subsidence of SBAS-InSAR can obtain better performance than continuous D-InSAR technology. The offset tracking technique is used to monitor the large gradient deformation in the center of the subsidence basin. Therefore, this paper proposes to expand the quantitative analysis through the spatial coherence threshold and the accuracy and successful image elements of the interference fringe displacement. Combine the advantages of the three methods and overcome the shortcomings of each method, fuse the deformation information of the three methods, and obtain the deformation law of the whole surface subsidence. The results show that the mean absolute error (MAE1-1) of continuity D-InSAR is 0.92 m, the mean absolute error (MAE2-1) of SBAS-InSAR is 0.94 m, and the mean absolute error (MAE3-1) of Offset-tracking is 0.25 m. The results of this fusion method are in good agreement with the measured data, and the mean absolute error (MAE4-1) of vertical displacement is 7 cm. Therefore, the fusion method has advantages over individual methods and provides a new idea in monitoring the large gradient deformation of coal mining subsidence in mining areas.

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Underground burning of Jharia coal mine (India) and associated surface deformation using InSAR data

Cited by 17 publications

References 36 publications

Evaluation of the Monitoring of Surface Deformations in Open-Pit Mines With Sentinel-1a Satellite Radar Data

Evaluation of the Monitoring of Surface Deformations in Open-Pit Mines With Sentinel-1a Satellite Radar Data

On-Site Measurement on Surface Disturbance Law of Repeated Mining with High Relief Terrain

Decision-making fusion of InSAR technology and offset tracking to study the deformation of large gradients in mining areas-Xuemiaotan mine as an example

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