84682 20200716101435.0 doi 10.1016/j.renene.2018.11.002 sideral 109689 ART-2019-109689 eng (orcid)0000-0001-5835-6390 García-Gil, A. Universidad de Zaragoza Sustainability indicator for the prevention of potential thermal interferences between groundwater heat pump systems in urban aquifers 2019 Access copy available to the general public Unrestricted The steady increase of geothermal systems using groundwater is compromising the renewability of the geothermal resources in shallow urban aquifers. To ensure sustainability, scientifically-based criteria are required to prevent potential thermal interferences between geothermal systems. In this work, a management indicator (balanced sustainability index, BSI) applicable to groundwater heat pump systems is defined to assign a quantitative value of sustainability to each system, based on their intrinsic potential to produce thermal interference. The BSI indicator relies on the net heat balance transferred to the terrain throughout the year and the maximum seasonal thermal load associated. To define this indicator, 75 heating-cooling scenarios based in 23 real systems were established to cover all possible different operational conditions. The scenarios were simulated in a standard numerical model, adopted as a reference framework, and thermal impacts were evaluated. Two polynomial regression models were used for the interpolation of thermal impacts, thus allowing the direct calculation of the sustainability indicator developed as a function of heating-cooling ratios and maximum seasonal thermal loads. The BSI indicator could provide authorities and technicians with scientifically-based criteria to establish geothermal monitoring programs, which are critical to maintain the implementation rates and renewability of these systems in the cities. info:eu-repo/semantics/openAccess by-nc-nd http://creativecommons.org/licenses/by-nc-nd/3.0/es/ 6.274 2019 2.052 2019 GREEN & SUSTAINABLE SCIENCE & TECHNOLOGY 9 / 41 = 0.22 2019 Q1 T1 Renewable Energy, Sustainability and the Environment 2019 Q1 ENERGY & FUELS 19 / 112 = 0.17 2019 Q1 T1 info:eu-repo/semantics/article info:eu-repo/semantics/acceptedVersion Muela Maya, S. Garrido Schneider, E. Mejías Moreno, M. Vázquez-Suñé, E. Marazuela, M. (orcid)0000-0002-8235-9580 Mateo Lázaro, J. Universidad de Zaragoza (orcid)0000-0001-8286-4088 Sánchez-Navarro, J. Universidad de Zaragoza 2000 427 Universidad de Zaragoza Dpto. Ciencias de la Tierra Área Geodinámica Externa 134 (2019), 14-24 Renew. energy Renewable Energy 0960-1481 557556 http://zaguan.unizar.es/record/84682/files/texto_completo.pdf Postprint 206812 http://zaguan.unizar.es/record/84682/files/texto_completo.jpg?subformat=icon icon Postprint oai:zaguan.unizar.es:84682 articulos driver 2020-07-16-08:54:45 ARTICLE