Multi-sensor remote sensing analysis of coal fire induced land subsidence in Jharia Coalfields, Jharkhand, India

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Karanam, V.; Motagh, M.; Garg, S.; Jain, K.: Multi-sensor remote sensing analysis of coal fire induced land subsidence in Jharia Coalfields, Jharkhand, India. In: International Journal of Applied Earth Observation and Geoinformation 102 (2021), 102439. DOI: https://doi.org/10.1016/j.jag.2021.102439

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To cite the version in the repository, please use this identifier: https://doi.org/10.15488/12518

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Sum total of downloads: 54




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Abstract: 
The subsidence in coal mines induced by surface and subsurface fires leading to roof collapse, infrastructure loss, and loss of lives is a prominent concern. In the study, satellite imagery from thermal and microwave remote sensing data is used to deduce the effect of coal fires on subsidence in the Jharia Coalfields, India. The Thermal Infrared data acquired from the Landsat-8 (band 10) is used to derive the temperature anomaly maps. Persistent Scatterer Interferometry analysis was performed on sixty Sentinel-1, C-band images, the results are corrected for atmospheric error using Generic Atmospheric Correction Online Service for InSAR (GACOS) atmospheric modelling data and decomposed into vertical displacement values to quantify subsidence. A zone-wise analysis of the hazard patterns in the coalfields was carried out. Coal fire maps, subsidence velocity maps, and land cover maps were integrated to investigate the impact of the hazards on the mines and their surroundings. Maximum subsidence of approximately 20 cm/yr. and temperature anomaly of up to 25 °C has been observed. The findings exhibit a strong positive correlation between the subsidence velocity and temperature anomaly in the study area. Kusunda, Keshalpur, and Bararee collieries are identified as the most critically affected zones. The subsidence phenomenon in some collieries is extending towards the settlements and transportation networks and needs urgent intervention. © 2021 The Authors
License of this version: CC BY 4.0 Unported
Document Type: Article
Publishing status: publishedVersion
Issue Date: 2021
Appears in Collections:Fakultät für Bauingenieurwesen und Geodäsie

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pos. country downloads
total perc.
1 image of flag of Germany Germany 16 29.63%
2 image of flag of United States United States 13 24.07%
3 image of flag of India India 7 12.96%
4 image of flag of China China 5 9.26%
5 image of flag of Zimbabwe Zimbabwe 3 5.56%
6 image of flag of Poland Poland 2 3.70%
7 image of flag of Ukraine Ukraine 1 1.85%
8 image of flag of Taiwan Taiwan 1 1.85%
9 image of flag of Pakistan Pakistan 1 1.85%
10 image of flag of France France 1 1.85%
    other countries 4 7.41%

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