Published

2021-04-16

IW Sentinel-1 satellite scenes for the investigation of mine slope stability: experiences from the Riacho dos Machados gold mine (Brazil)

IW Sentinel-1 escenas por satélite para la investigación de la estabilidad de pendientes de minas: experiencias de la mina de oro Riacho dos Machados (Brasil)

DOI:

https://doi.org/10.15446/esrj.v25n1.86563

Keywords:

radar remote sensing, open pit mine, PSI, surface displacements, geotechnical risks (en)
Teledetección, mina a cielo abierto, desplazamientos de superficie, riesgos geotécnicos (es)

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Authors

  • Marcos Eduardo Hartwig Espírito Santo's Federal University
  • Leandro Ribes de Lima Leagold Mining Company
  • Daniele Perissin Lyles School of Civil Engineering

In the last decade, the Persistent Scatterer Interferometry – PSI have been largely employed to predict instabilities and failure in open pit mines. The PSI is a powerful technique, which combines radar satellite data in order to detect and monitor tiny surface displacements over vast areas. In the last years, the Sentinel-1 radar mission have produced images of the globe acquired with different spatial and temporal resolutions that are now freely available. In recent years, the footwall slopes of the Riacho dos Machados Gold Mine – MRDM (Minas Gerais state, southeastern Brazil) have recorded large planar failures controlled by foliation planes. Therefore, the focus of this paper is to evaluate a stack of 39 Interferometric Wide Sentinel-1 scenes, spanning from January 2018 to April 2019, acquired in descending orbit geometry, for the detection and monitoring of surface displacements in the MRDM. The results have shown that descending IW Sentinel-1 scenes can be used to provide a broad picture of the Line-Of-Sight - LOS deformation phenomena. In order to monitor the evolution of the deformation phenomena induced by mining activities, LOS deformation maps with millimeter accuracy could be only delivered at least each 12 days.

En la última década, la interferometría de dispersión persistente (PSI) se ha empleado en gran medida para predecir inestabilidades y fallas en minas a cielo abierto. El PSI es una técnica poderosa que combina datos satelitales de radar para detectar y monitorear pequeños desplazamientos de superficie en vastas áreas. En los últimos años, la misión de radar Sentinel-1 ha producido imágenes del globo adquiridas con diferentes resoluciones espaciales y temporales que ahora están disponibles gratuitamente. En los últimos años, las laderas de las paredes de la mina de oro Riacho dos Machados - MRDM (estado de Minas Gerais, sureste de Brasil) han registrado grandes fallas planas controladas por planos de foliación. Por lo tanto, el objetivo de este trabajo es evaluar una pila de 39 escenas Interferométricas Wide Sentinel-1, que abarcan desde enero de 2018 hasta abril de 2019, adquiridas en geometría de órbita descendente, para la detección y monitoreo de desplazamientos de superficie en el MRDM. Los resultados han demostrado que las escenas descendentes de IW Sentinel-1 se pueden utilizar para proporcionar una imagen amplia del fenómeno de deformación de la línea de visión: LOS. Para monitorear la evolución de los fenómenos de deformación inducidos por las actividades mineras, los mapas de deformación LOS con precisión milimétrica solo se pueden entregar al menos cada 12 días

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How to Cite

APA

Hartwig, M. E., de Lima, L. R. and Perissin, D. (2021). IW Sentinel-1 satellite scenes for the investigation of mine slope stability: experiences from the Riacho dos Machados gold mine (Brazil). Earth Sciences Research Journal, 25(1), 93–99. https://doi.org/10.15446/esrj.v25n1.86563

ACM

[1]
Hartwig, M.E., de Lima, L.R. and Perissin, D. 2021. IW Sentinel-1 satellite scenes for the investigation of mine slope stability: experiences from the Riacho dos Machados gold mine (Brazil). Earth Sciences Research Journal. 25, 1 (Apr. 2021), 93–99. DOI:https://doi.org/10.15446/esrj.v25n1.86563.

ACS

(1)
Hartwig, M. E.; de Lima, L. R.; Perissin, D. IW Sentinel-1 satellite scenes for the investigation of mine slope stability: experiences from the Riacho dos Machados gold mine (Brazil). Earth sci. res. j. 2021, 25, 93-99.

ABNT

HARTWIG, M. E.; DE LIMA, L. R.; PERISSIN, D. IW Sentinel-1 satellite scenes for the investigation of mine slope stability: experiences from the Riacho dos Machados gold mine (Brazil). Earth Sciences Research Journal, [S. l.], v. 25, n. 1, p. 93–99, 2021. DOI: 10.15446/esrj.v25n1.86563. Disponível em: https://revistas.unal.edu.co/index.php/esrj/article/view/86563. Acesso em: 22 jan. 2025.

Chicago

Hartwig, Marcos Eduardo, Leandro Ribes de Lima, and Daniele Perissin. 2021. “IW Sentinel-1 satellite scenes for the investigation of mine slope stability: experiences from the Riacho dos Machados gold mine (Brazil)”. Earth Sciences Research Journal 25 (1):93-99. https://doi.org/10.15446/esrj.v25n1.86563.

Harvard

Hartwig, M. E., de Lima, L. R. and Perissin, D. (2021) “IW Sentinel-1 satellite scenes for the investigation of mine slope stability: experiences from the Riacho dos Machados gold mine (Brazil)”, Earth Sciences Research Journal, 25(1), pp. 93–99. doi: 10.15446/esrj.v25n1.86563.

IEEE

[1]
M. E. Hartwig, L. R. de Lima, and D. Perissin, “IW Sentinel-1 satellite scenes for the investigation of mine slope stability: experiences from the Riacho dos Machados gold mine (Brazil)”, Earth sci. res. j., vol. 25, no. 1, pp. 93–99, Apr. 2021.

MLA

Hartwig, M. E., L. R. de Lima, and D. Perissin. “IW Sentinel-1 satellite scenes for the investigation of mine slope stability: experiences from the Riacho dos Machados gold mine (Brazil)”. Earth Sciences Research Journal, vol. 25, no. 1, Apr. 2021, pp. 93-99, doi:10.15446/esrj.v25n1.86563.

Turabian

Hartwig, Marcos Eduardo, Leandro Ribes de Lima, and Daniele Perissin. “IW Sentinel-1 satellite scenes for the investigation of mine slope stability: experiences from the Riacho dos Machados gold mine (Brazil)”. Earth Sciences Research Journal 25, no. 1 (April 16, 2021): 93–99. Accessed January 22, 2025. https://revistas.unal.edu.co/index.php/esrj/article/view/86563.

Vancouver

1.
Hartwig ME, de Lima LR, Perissin D. IW Sentinel-1 satellite scenes for the investigation of mine slope stability: experiences from the Riacho dos Machados gold mine (Brazil). Earth sci. res. j. [Internet]. 2021 Apr. 16 [cited 2025 Jan. 22];25(1):93-9. Available from: https://revistas.unal.edu.co/index.php/esrj/article/view/86563

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2. Ajay Kumar Taloor, Girish Ch. Kothyari, Rakesh K. Dumka, Akhtar Alam, Kapil Malik. (2023). Crustal deformation study of Kashmir basin: Insights from PSInSAR based time series analysis. Journal of Applied Geophysics, 211, p.104979. https://doi.org/10.1016/j.jappgeo.2023.104979.

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