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Ale Vidal-Elgueta

Pontificia Universidad Católica de Chile

SCHOLARLY PAPERS

2

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160

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Scholarly Papers (2)

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1.

Mapping past forests in the Atacama Desert, Chile: A Remote Sensing and Machine Learning Approach for archaeology

Number of pages: 31 Posted: 27 Aug 2025 Last Revised: 29 Aug 2025
Elena Balmaceda-Baraona, Víctor Méndez, Virginia McRostie, Ale Vidal-Elgueta and Francisca P. Díaz
affiliation not provided to SSRN, Pontificia Universidad Católica de Chile - School of Anthropology, Pontificia Universidad Católica de Chile, Pontificia Universidad Católica de Chile and Pontificia Universidad Católica de Valparaíso
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Remote sensing, supervised classification, Pampa del Tamarugal, sub-fossil vegetation remains, archaeology, multispectral imagery, Sentinel-2

2.

Challenging the Atacama Desert: Agronomic and Water Conditions for Pre-Hispanic Maize Agriculture in Hyper Arid Environments Inferred by δ 18O Isotopes

Number of pages: 30 Posted: 02 Nov 2023
Ale Vidal-Elgueta, Andreas Lücke, M.Fernanda Pérez, Holger Wissel, Antonio Maldonado and Mauricio Uribe
Pontificia Universidad Católica de Chile, Research Centre Jülich, Pontificia Universidad Católica de Chile, Research Centre Jülich, Centro de Estudios Avanzados en Zonas Áridas (CEAZA) and University of Chile
Downloads 76 (860,052)

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pre-Hispanic agriculture, maize, stable oxygen isotopes (δ18O), environmental challenges, Atacama Desert