Usefulness of a groundwater temperature baseline monitoring network for the identification of thermal interferences between shallow geothermal exploitation systems in urban environments

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dc.contributor.author Garrido Schneider, Eduardo
dc.contributor.author García Gil, Alejandro
dc.contributor.author Arrazola Martínez, Carlos
dc.contributor.author Escayola Calvo, Olga
dc.contributor.author Sánchez Navarro, José Ángel
dc.date.accessioned 2021-03-24T12:19:03Z
dc.date.available 2021-03-24T12:19:03Z
dc.date.issued 2017
dc.identifier.citation Impacts of Global Change on Western Mediterranean Aquifers, 381-386 / María Luisa Calvache, Carlos Duque, David Pulido-Velázquez (eds.) es_ES
dc.identifier.isbn 978-84-338-6152-8
dc.identifier.uri http://hdl.handle.net/20.500.12468/919
dc.description Congress on Groundwater and Global Change in the Western Mediterranean (2017. Granada) es_ES
dc.description.abstract The growing demand for renewable energy in urban environments has triggered the implementation of numerous geothermal exploitation systems. In the case of groundwater heat pump systems, an injection of pumped groundwater with different energy properties from those of the aquifer extracted occurs. Consequently, a thermal impact within the urban groundwater body develops. Moreover, high density of installations in the same area entails a risk of thermal interference between them. In order to control the qualitative state of the water bodies and to guarantee a minimum of rights for groundwater users, a geothermal monitoring network has been established in the city of Zaragoza. The Geological Survey of Spain (IGME), in collaboration with the Ebro Hydrographic Confederation (CHE), operates such monitoring network composed of 45 points covering the whole metropolitan area. A total number of 37 monitoring points are being continuously monitored using automatic data loggers, with 17 of them corresponding to totally penetrating new construction piezometers. Uninterruptedly data collection for more than 10 years has proved its utility, allowing to: (1) characterize the aquifer background temperature, (2) identify the urban heat island effect, (3) observe heat plumes of different geothermal systems, (4) monitor the thermal interferences between systems, and (5) monitor the chemical quality of the urban aquifer. The use of high resolution data obtained from this control network, together with data of the exploitation regime of geothermal utilization and the use of numerical models of flow and heat transport have allowed to reproduce the thermal regime of the aquifer. All of this is serving as a basis for informing and assisting the local water authority during the administrative procedure for authorization of thermal discharges, for its monitoring and control. es_ES
dc.description.sponsorship Unidad de Zaragoza, Instituto Geológico y Minero de España, España es_ES
dc.description.sponsorship Confederación Hidrográfica del Ebro, España es_ES
dc.description.sponsorship Departamento de Ciencias de la Tierra, Universidad de Zaragoza, España es_ES
dc.language.iso es es_ES
dc.publisher Universidad de Granada es_ES
dc.relation.ispartof fdsdfsdf es
dc.rights Acceso abierto es_ES
dc.subject Geothermics es_ES
dc.subject temperature es_ES
dc.subject thermal impact es_ES
dc.subject Zaragoza es_ES
dc.subject monitoring network es_ES
dc.subject management es_ES
dc.title Usefulness of a groundwater temperature baseline monitoring network for the identification of thermal interferences between shallow geothermal exploitation systems in urban environments es_ES
dc.relation.publisherversion http://www.aih-ge.org/gwm-change-2017/ es_ES
dc.coverage.spatialStudy Zaragoza, España es_ES
dc.type.lecture Ponencia es_ES


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