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This paper is dedicated to the memory of Andres Perez-Estaun, whose friendship, skill, and dedication were essential to this work, but also for his continuous support, discussion, and encouragement in the study of Barcelona geology. The authors wish to acknowledge funding by the Spanish Ministry of Economy and Competitiveness projects: MEPONE (BIA2010-20244) and MEDISTRAES (CGL2013-48869-C2-1-R), and by the Generalitat de Catalunya (Grup Consolidat de Recerca: Grup d'Hidrologia Subterrania, 2009-SGR-1057). We would also like to acknowledge ADIF, GISA, DPTOP Generalitat de Catalunya (Infrastructure administration), Ajuntament de Barcelona, Ajuntament de Sant Adria del Besos, Ajuntament de Badalona, Ajuntament de Santa Coloma de Gramenet, BCASA, BR Urban Development Agency, AMB Metropolitan Area of Barcelona (Local administrations), Catalan Water Agency (ACA), and several companies such as UTELinia9, SACYR, ACCIONA, OHL, GEOCONSULT, FCC, Ferrovial-Agroman, INTECSA-INARSA, COPISA, COPCISA, among others, for their help in providing technical documents and data used for this study, and also, for their support throughout the hydrogeological monitoring and assessment of different civil works.

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A geological model for the management of subsurface data in the urban environment of Barcelona and surrounding area

Publicado en:Solid Earth. 7 (5): 1317-1329 - 2016-09-16 7(5), DOI: 10.5194/se-7-1317-2016

Autores: Vazquez-Sune, Enric; Angel Marazuela, Miguel; Velasco, Violeta; Diviu, Marc; Perez-Estaun, Andres; Alvarez-Marron, Joaquina;

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Resumen

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.

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