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3 results on '"Hernández-Gutiérrez, Luis Enrique"'

2. A 3D geological model of El Hierro volcanic island reflecting intraplate volcanism cycles

Author

European Commission, Agencia Estatal de Investigación (España), García Gil, Alejandro [0000-0001-5835-6390], Marazuela, Miguel Ángel [0000-0002-3507-999X], García Gil, Alejandro, Baquedano Estévez, Carlos, Marazuela, Miguel Ángel, Martínez León, Jorge, Cruz-Pérez, Noelia, Hernández Gutiérrez, Luis Enrique, Santamarta, Juan C., European Commission, Agencia Estatal de Investigación (España), García Gil, Alejandro [0000-0001-5835-6390], Marazuela, Miguel Ángel [0000-0002-3507-999X], García Gil, Alejandro, Baquedano Estévez, Carlos, Marazuela, Miguel Ángel, Martínez León, Jorge, Cruz-Pérez, Noelia, Hernández Gutiérrez, Luis Enrique, and Santamarta, Juan C.

Abstract

[EN] Fully 3D and multidimensional geological models are key for energy, mining and water resources assessment and management, which has a great economic impact. 3D geological models provide critical information regarding geometric properties of the geological bodies of interest, such as ore deposits or reservoirs, allowing inference of volumes and availability to be exploited. However, defining a useful methodology to create a fully digital 3D geological model of volcanic islands is still very challenging due to the intrinsic complexity observed in the structure of volcanic systems. Two-dimensional geological maps, associated vertical geological cross-sectional diagrams and borehole and water-mining tunnels (galleries) logs were examined on El Hierro Island. A geological modelling procedure using the software GeoModeller obtained the first 3D geological model of El Hierro volcanic island, as a basis for volcanic formation definitions and geometric analysis. Surface, volume and center of mass estimations of the differentiated sub-units allowed a better understanding of the spatial distribution and evolution of the volcanic cycles of El Hierro Island over time. The 3D model provided geometry information correlatable with volcanic activity cycles and lava/pyroclast deposition mechanisms that ultimately defines the geometry of the volcanic units. This information provides new variables valuable for the investigation of the existing relationships between rift zones and giant lateral collapses. In addition, the obtained 3D geological model of a volcanic island will support the building of the first hydrogeological and geothermal model of El Hierro Island, allowing advancement of sustainability of isolated systems.

Published
2023

3. Asignatura pendiente de la co‐gestión en el geoturismo: Análisis del Geoparque Global de El Hierro

Author

Hernández Gutiérrez, Luis Enrique and Povedano Marrugat, Elisa

Subjects
Cultural Studies, Anthropology, Geography, Planning and Development, Geoparque Global, Resiliencia, El Hierro (España), Social Sciences (miscellaneous), Co‐gestión, Geoturismo regenerativo
Abstract

El presente estudio tuvo como objetivo analizar la participación comunitaria en la co‐ ‐gestión del Geoparque Global de la Unesco de El Hierro (Islas Canarias, España) posterior a la primera revalidación en 2018 (aprobada con recomendaciones sobre este aspecto) y anterior a la siguiente de 2022. Realizado en plena crisis (Covid‐19), planteaba si el proceso regenerativo posterior para la isla necesitaba abarcar la co‐gestión participativa central al nombramiento de la UNESCO para garantizar la resiliencia, y si la comunidad de hecho percibía esa necesidad y el deseo de tomar control de su destino, sobre todo en el aspecto geoturístico. El contexto de las restricciones pandémicas hizo que se optara por encuestas on‐line y entrevistas telefónicas (posteriormente transcritas y firmadas) con la comunidad. Los resultados preliminares muestran claramente que la población considera que El Geoparque Global es importante para ellos y manifiestan el deseo de mayor participación en su destino. The present study was designed to analyse community participation in the co‐management of the UNESCO Global Geopark of El Hierro (The Canary Islands, Spain) after its first revalidation process in 2018 (where this aspect figured as central, pending attention) and previous to the 2022 revalidation. The study was carried out at the height of the crisis caused by the Covid‐19 pandemic and was planned to detect whether in the later process of regeneration, the island should finally tackle the co‐management principle central to the socio‐ ‐geological model of the UNESCO GLOBAL Geopark for resilience, and if the community itself perceived the need to take control of their own destiny and destination, above all in its aspect of geotourism. The preliminary results show clearly that the Global Geopark is considered to be important by the community and that there is also a strong desire for greater participation and implication than at present.

Published
2023

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