Glacier changes in the semi-arid Huasco Valley, Chile, between 1986 and 2016
In the semi-arid and arid regions of the Chilean Andes, meltwater from the cryosphere is a key resource for the local economy and population. In this setting, climate change and economic activities foster water scarcity and resource conflicts. The study presents a detailed glacier and rock glacier i...
Gespeichert in:
| Hauptverfasser: | , , , , |
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| Dokumenttyp: | Article (Journal) |
| Sprache: | Englisch |
| Veröffentlicht: |
29 October 2020
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| In: |
Geosciences
Year: 2020, Jahrgang: 10, Heft: 11, Pages: 1-19 |
| ISSN: | 2076-3263 |
| DOI: | 10.3390/geosciences10110429 |
| Online-Zugang: | Verlag, kostenfrei, Volltext: https://doi.org/10.3390/geosciences10110429 Verlag, kostenfrei, Volltext: https://www.mdpi.com/2076-3263/10/11/429 
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| Verfasserangaben: | Katharina Hess, Susanne Schmidt, Marcus Nüsser, Carina Zang and Juliane Dame |
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| 520 | |a In the semi-arid and arid regions of the Chilean Andes, meltwater from the cryosphere is a key resource for the local economy and population. In this setting, climate change and economic activities foster water scarcity and resource conflicts. The study presents a detailed glacier and rock glacier inventory for the Huasco valley (28-29° S) in northern Chile based on a multi-temporal remote sensing approach. The results indicate a glacier-covered area of 16.35 ± 3.06 km2 (n = 167) and, additionally, 50 rock glaciers covering an area of about 8.6 km2 in 2016. About 81% of the ice-bodies are smaller than 0.1 km2, and only four glaciers are larger than 1 km2. The change analysis reveals a more or less stable period between 1986 and 2000 and a drastic decline in the glacier-covered area by about 35% between 2000 and 2016. The detailed assessment of six subregions indicates a more pronounced glacier decrease in the vicinity of the Pascua Lama mining project. | ||
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