Fig. 1
From: City-scale heating and cooling with aquifer thermal energy storage (ATES)
a, b: Location of the city of Freiburg im Breisgau with the highlighted study area in Southwest Germany. c Profile section A—A*. The Riegel Horizon (RH) shown in the profile section is not regarded in the numerical models. Data from GDI-BW (2015), Geofabrik (2022), USGS (2017). Hydraulic head data from the Environmental Protection Authority Freiburg and the Baden-Württemberg State Institute for the Environment, Survey and Nature Conservation (LUBW). Profile section modified from Wirsing and Luz (2005)