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Título
Unraveling the Morphological Constraints on Roman Gold Mining Hydraulic Infrastructure in NW Spain. A UAV-Derived Photogrammetric and Multispectral Approach
Autor
Facultad/Centro
Área de conocimiento
Título de la revista
Remote Sensing
Número de la revista
2
Datos de la obra
Fernández-Lozano, J.; Sanz-Ablanedo, E. Unraveling the Morphological Constraints on Roman Gold Mining Hydraulic Infrastructure in NW Spain. A UAV-Derived Photogrammetric and Multispectral Approach. Remote Sens. 2021, 13, 291.
Editor
MDPI
Fecha
2021
Resumo
[EN] The province of León preserves a unique hydraulic infrastructure 1200 km-long, used for
the exploitation of auriferous deposits in Roman times. It represents the most extensive waterworks
in Europe and is one of the best-preserved examples of mining heritage in Antiquity. In this work,
three mining exploitation sectors (upper, middle, and lower) characterized by channels and leats
developed in different geological materials were examined, using Unmanned Aerial Vehicles (UAVs).
A multi-approach based on a comparison of photogrammetric and multispectral data improved the
identification and description of the hydraulic network. Comparison with traditional orthoimages
and LiDAR data suggests that UAV-derived multispectral images are of great interest in areas where
these sets of data have low resolution or areas that are densely covered by vegetation. The results
showed that the size of the channel box and its width were factors that do not depend exclusively
on the available water resources, as previously suggested, but also on the geological and hydraulic
conditioning factors that intervene in each sector. Additionally, the detailed study allowed the
establishment of a water sheet maximum height that was much lower than previously thought. All
in all, these inferences might help researchers develop new strategies for mapping the Roman mining
infrastructure and establishing the importance of geological inheritance on the construction of the
hydraulic system that led the Romans to the accomplishment of the largest mining infrastructure
ever known in Europe.
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