Geological cross-sections referring to stratigraphic or lithological units.

Zones, where rocks have been broken and displaced. Faults, which may cause geotechnical problems while drilling or problems with cementation for closed loop systems.

The elevation of a geological boundary in meters above sea level.

Site with proven contamination of the underground.

Mean measured groundwater temperature based on surveys.

Site which due to its use bears the risk of potentially contaminating the underground.

Sites with confirmed or suspected waste, landfills and/or underground pollution generated from domestic, construction and/or industrial activities that may have an impact on the installation of shallow geothermal

Thermal conductivity of a geological unit relevant for shallow geothermal energy use (e.g. bedrock).

Patterns of magnetic anomalies attributable to rock magnetism.

Annual maximum groundwater temperature.