Bertermann, D.; Klug, H.; Morper-Busch, L.; Bialas, C. - In: Energy 71 (2014) C, pp. 226-244
Very shallow geothermal energy resources are amongst the RES (renewable energy sources). They can be expressed as TC (thermal conductivity) (W/m∗K) and VHC (volumetric heat capacity) (MJ/m3∗K) of unconsolidated ground, and can be obtained from a depth of 10 m below the Earth's surface....