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Remote sensing techniques for tracking changes caused by illegal gold mining in Madre de Dios, Peru

Katarzyna Adamek

Katarzyna Adamek

Department of Geoinformatics and Applied Computer Science, Faculty of Geology, Geophysics and Environmental Protection, AGH University of Science and TechnologyKraków, Poland
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Adamek, Katarzyna
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Michał Lupa

Michał Lupa

Department of Geoinformatics and Applied Computer Science, Faculty of Geology, Geophysics and Environmental Protection, AGH University of Science and TechnologyKraków, Poland
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Lupa, Michał
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Mateusz Zawadzki

Mateusz Zawadzki

Institute of Socio-Economic Geography and Spatial Management, Department of Cartography and Geomatics, The Faculty of Earth Sciences and Spatial Management, Maria Curie-Sklodowska UniversityLublin, Poland
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Zawadzki, Mateusz
  
26 sept 2021
Remote sensing techniques for tracking changes caused by illegal gold mining in Madre de Dios, Peru's Cover Image
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Publicado en línea: 26 sept 2021
Páginas: 205 - 212
Recibido: 18 dic 2019
Aceptado: 28 jun 2020
DOI: https://doi.org/10.2478/mgrsd-2020-0028
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© 2021 Katarzyna Adamek et al., published by Sciendo
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Figure 1

Location of the area of interestSource: Own elaboration
Location of the area of interestSource: Own elaboration

Figure 2

The appearance of the mine site revealed on satellite images. Left: 30 August 2001 (Landsat 7 imagery); right: 24 July 2017 (Sentinel-2 imagery)Source: Own elaboration
The appearance of the mine site revealed on satellite images. Left: 30 August 2001 (Landsat 7 imagery); right: 24 July 2017 (Sentinel-2 imagery)Source: Own elaboration

Figure 3

Vegetation loss visible through the NDVI ratio. Left: 30 August 2001 (Landsat 7 imagery); right: 24 July 2017 (Sentinel-2 imagery)Source: Own elaboration
Vegetation loss visible through the NDVI ratio. Left: 30 August 2001 (Landsat 7 imagery); right: 24 July 2017 (Sentinel-2 imagery)Source: Own elaboration

Figure 4

Zoomed part of the area of interest with ferrous iron index mineral group (ferrous iron – coarse-grained ferric iron – moist soils – fire ashes) highlightedSource: Own elaboration
Zoomed part of the area of interest with ferrous iron index mineral group (ferrous iron – coarse-grained ferric iron – moist soils – fire ashes) highlightedSource: Own elaboration

Figure 5

Zoomed part of the Rio Huaypetue mine site with ferrous iron index mineral group (ferrous iron – coarse-grained ferric iron – moist soils – fire ashes) highlightedSource: Own elaboration
Zoomed part of the Rio Huaypetue mine site with ferrous iron index mineral group (ferrous iron – coarse-grained ferric iron – moist soils – fire ashes) highlightedSource: Own elaboration

Figure 6

Zoomed part of the area of interest with ferric iron index mineral group (minor ferric iron) highlightedSource: Own elaboration
Zoomed part of the area of interest with ferric iron index mineral group (minor ferric iron) highlightedSource: Own elaboration

Figure 7

Zoomed part of the area of interest with clay-sulphate-mica-marble index mineral group (minor ferric iron) highlightedSource: Own elaboration
Zoomed part of the area of interest with clay-sulphate-mica-marble index mineral group (minor ferric iron) highlightedSource: Own elaboration
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