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Table 4 Hydrogeology [HYDRO] categories in GK500 dataset
From: A machine learning approach for mapping the very shallow theoretical geothermal potential
Description | \(N_{\text {GK500}}\) | Area (\(\text {km}^{2}\)) |
|---|---|---|
No information | 1 | 69.8 |
Areas without productive aquifer reservoirs | 2930 | 10,816.72 |
Areas without productive reservoirs | 250 | 508.32 |
Surface water | 250 | 1377.6 |
Glacier, Neve | 377 | 866.28 |
Aquifer tanks in karstifiable coherent rocks | 1796 | 6144.08 |
Low productive aquifers | 3218 | 7758.64 |
Low productive aquifers in unquantifiable, cracked and porous coherent rocks | 2945 | 10,608.32 |
Productive aquifers partly out of valley bottoms | 1112 | 2061.04 |
Highly productive aquifer reservoirs of valley bottoms | 441 | 1243.24 |