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Estructura superficial de zonas de recarga artificial de agua a partir de tomografía eléctrica en Sierra Nevada (Bérchules, Granada)

Authors: Domínguez García, Ana Teresa;

Estructura superficial de zonas de recarga artificial de agua a partir de tomografía eléctrica en Sierra Nevada (Bérchules, Granada)

Abstract

Since the Middle Ages, the southern slopes os Sierra Nevada have had artificial recharge systems, called 'careos', to improve the management of water resources. Through an irrigation system, the water from the high peaks is derived to low-slope areas by infiltration above the main villages. Electrical tomography allows specify the surface structure of two recharge sections, called 'simas', located in Bérchules (Granada). Four profiles of resistivity and induced polarization have been made into two sectors selected of the Espino ditch, one perpendicular and one parallel in each sector. Under a first layer of fine-grained sediments deposited by successive recharge annual stages, vertical faracture zones which feed the aquifer can be identified. The greatest accumulation of sediments is located in areas of lower slope near the ditch, allowing its deposit and acting as an element that regulates the recharging. This non-invasive technique allows improving the knowledge of these traditional irrigation system.

Desde la época medieval, las vertientes meridionales de Sierra Nevada han tenido sistemas de recarga artificial, denominados careos, para mejorar la gestión de recursos hídricos. Mediante un sistema de acequias se deriva el agua procedente de las altas cumbres para su infiltración en sectores de baja pendiente. La tomografía eléctrica permite precisar la estructura superficial de dos sectores de recarga, denominados simas, situados en Bérchules (Granada). Se han realizado cuatro perfiles de resistividad y polarización inducida en dos sectores de la acequia del Espino: uno perpendicular y uno paralelo. Bajo una primera capa de sedimentos de grano fino se identifican zonas de fractura vertical. La mayor acumulación de sedimentos se localiza en zonas de menor pendiente próximas a la acequia que permiten su depósito y que actúan como elemento que regula la recarga. Esta técnica de estudio no invasiva permite avanzar en el conocimiento de estos sistemas tradicionales de recarga.

Keywords

Electrical tomography, Geophysics, 2507.99, 2507, Geofísica, Geodesia para la monitorización de deformaciones, Tomografía eléctrica

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
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