Physico-chemical evolution of groundwater in tectonically active areas. Application to the Leana hot spring (Murcia Region, SE Spain)

Show simple item record Martínez, M. Hornero Díaz, Jorge Enrique Trujillo, C. 2020-10-28T05:03:33Z 2020-10-28T05:03:33Z 2016-09-13
dc.identifier.citation Journal of Seismology, vol.21, 349–366 es_ES
dc.identifier.issn 1573-157X
dc.description.abstract Seismic events can affect the physico-chemical characteristics of groundwater. These anomalies are of a pre-seismic, co-seismic and post-seismic nature and correspond to pulse variations, sudden increases and decreases without return to initial values and upward or downward changes in trend. Continuous and in situ conductivity and temperature monitoring and periodic water sampling at a hot spring associated with neotectonic activity are of great interest for establishing predictive methods. This method is limited to the seismic activity affecting the fracturing system with which the hot spring is associated. The Region of Murcia and surroundings (southeast Spain) was selected as the study area for exploring the nature of these influences on groundwater. A hot spring in the Leana spa (Murcia) was equipped and monitored during the period 2006–2008, allowing for the in situ determination of conductivity and temperature as well as of major and minor constituents at the laboratory. Due to its proximity and related with fault network, we suggest that 86 % of earthquakes located between 0 and 10 km may affect in situ parameters of groundwater, and 75 % may affect laboratory determinations. This percentage drops in more distant zones. Of all earthquakes that seem to influence groundwater, 55 % of the in situ parameter anomalies and 53 % of laboratory were of a pre-seismic nature. es_ES
dc.description.sponsorship Confederación Hidrográfica del Tajo, España es_ES
dc.description.sponsorship Unidad de Murcia, Instituto Geológico y Minero de España, España es_ES
dc.description.sponsorship Instituto de Agricultura Sostenible, Consejo Superior de Investigaciones Científicas, España es_ES
dc.language.iso en es_ES
dc.publisher Springer es_ES
dc.relation IGME-424 es_ES
dc.relation DORIS project es_ES
dc.relation FP7/2007-2013 es_ES
dc.rights Acceso abierto es_ES
dc.subject earthquake es_ES
dc.subject groundwater es_ES
dc.subject physicochemical changes es_ES
dc.subject prediction es_ES
dc.subject Murcia es_ES
dc.subject Spain es_ES
dc.title Physico-chemical evolution of groundwater in tectonically active areas. Application to the Leana hot spring (Murcia Region, SE Spain) es_ES
dc.type Postprint es_ES
dc.relation.publisherversion es_ES
dc.description.funder Séptimo Programa Marco, Comunidad Europea es_ES
dc.identifier.doi es_ES
dc.coverage.spatialStudy Región de Murcia, España es_ES

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