Snow melting method utilizing heat retaining function of underground aquifer without sprinkling water

Abstract From the Canadian patent

Snow lying on a road or building structure is melted and removed without sprinkling water on the snow by pumping up from a well and circulating underground water, which is contained in an underground aquifer and warmed by geothermy of the aquifer utilizing the heat retaining function thereof, through pipe arrangement laid under the surface of the road or building structure. The used and cooled underground water is returned into another artesian well without being wasted and exposed to the atmosphere. Underground water warmed by the solar heat and stored in the aquifer in a hot season may be preferably used in a cold snow season. An arntifreezing liquid may be filled and circulate in the …