Have a personal or library account? Click to login
Remote sensing techniques for tracking changes caused by illegal gold mining in Madre de Dios, Peru Cover

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

Miscellanea Geographica
Volume 25 (2021): Issue 4 (October 2021)
By: Katarzyna Adamek,  Michał Lupa and  Mateusz Zawadzki  
Open Access
|Sep 2021

Figures & Tables

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
DOI: https://doi.org/10.2478/mgrsd-2020-0028 | Journal eISSN: 2084-6118 | Journal ISSN: 0867-6046
Journal RSS Feed
Language: English
Page range: 205 - 212
Submitted on: Dec 18, 2019
Accepted on: Jun 28, 2020
Published on: Sep 26, 2021
Published by: Faculty of Geography and Regional Studies, University of Warsaw
In partnership with: Paradigm Publishing Services
Publication frequency: 4 issues per year
Keywords:
Environmental monitoring,
geospatial analysis,
South America,
remote sensing,
Peru
Related subjects:
Geosciences,
Geography,
Geosciences, other

© 2021 Katarzyna Adamek, Michał Lupa, Mateusz Zawadzki, published by Faculty of Geography and Regional Studies, University of Warsaw
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Volume 25 (2021): Issue 4 (October 2021)Next article