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Solid Earth An interactive open-access journal of the European Geosciences Union

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Solid Earth, 7, 1317-1329, 2016
http://www.solid-earth.net/7/1317/2016/
doi:10.5194/se-7-1317-2016
© Author(s) 2016. This work is distributed
under the Creative Commons Attribution 3.0 License.
Research article
16 Sep 2016
A geological model for the management of subsurface data in the urban environment of Barcelona and surrounding area
Enric Vázquez-Suñé1,2, Miguel Ángel Marazuela1,2,3, Violeta Velasco1,2, Marc Diviu1,2, Andrés Pérez-Estaún4, and Joaquina Álvarez-Marrón4 1Institute of Environmental Assessment and Water Research IDÆA – CSIC, Jordi Girona 18, 08034 Barcelona, Spain
2Associated Unit: Hydrogeology Group (UPC-CSIC)
3Department of Geotechnical Engineering and Geosciences, Universitat Politècnica de Catalunya (UPC), Jordi Girona 1-3, 08034 Barcelona, Spain
4Institute of Earth Sciences Jaume Almera ICTJA – CSIC, Lluís Solé Sabarís s/n, 08028 Barcelona, Spain
Abstract. The overdevelopment of cities since the industrial revolution has shown the need to incorporate a sound geological knowledge in the management of required subsurface infrastructures and in the assessment of increasingly needed groundwater resources. Additionally, the scarcity of outcrops and the technical difficulty to conduct underground exploration in urban areas highlights the importance of implementing efficient management plans that deal with the legacy of heterogeneous subsurface information. To deal with these difficulties, a methodology has been proposed to integrate all the available spatio-temporal data into a comprehensive spatial database and a set of tools that facilitates the analysis and processing of the existing and newly added data for the city of Barcelona (NE Spain). Here we present the resulting actual subsurface 3-D geological model that incorporates and articulates all the information stored in the database. The methodology applied to Barcelona benefited from a good collaboration between administrative bodies and researchers that enabled the realization of a comprehensive geological database despite logistic difficulties. Currently, the public administration and also private sectors both benefit from the geological understanding acquired in the city of Barcelona, for example, when preparing the hydrogeological models used in groundwater assessment plans. The methodology further facilitates the continuous incorporation of new data in the implementation and sustainable management of urban groundwater, and also contributes to significantly reducing the costs of new infrastructures.

Citation: Vázquez-Suñé, E., Ángel Marazuela, M., Velasco, V., Diviu, M., Pérez-Estaún, A., and Álvarez-Marrón, J.: A geological model for the management of subsurface data in the urban environment of Barcelona and surrounding area, Solid Earth, 7, 1317-1329, doi:10.5194/se-7-1317-2016, 2016.
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Short summary
This study shows the need for a symbiotic relationship between government and research groups for efficient management of geologic data in urban environments. Through its implementation, both the city administration and private companies benefit from the feedback of geologic knowledge acquired during this process, thereby substantially reducing the cost of construction projects and facilitating the development of aquifer management plans.
This study shows the need for a symbiotic relationship between government and research groups...
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