Uncontrolled landfill or major dumpsite with suspicion or recorded hazardous substances in substantial amounts

Areas with rocks susceptible to karstification

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

The average thermal gradient within a given depth interval.

Decision support map for the use of shallow geothermal energy

Site with proven contamination of the underground.

Extracted water volume per hour and meter drawdown for a defined well diameter.

Average temperature below ground level within a given depth interval.

Patterns of magnetic anomalies attributable to rock magnetism.

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