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A heated sidewalk in Holland, Michigan Installation of a geothermal snowmelt system on a street in Reykjavík, Iceland.. A snowmelt system prevents the build-up of snow and ice on cycleways, walkways, patios and roadways, or more economically, only a portion of the area such as a pair of 2-foot (0.61 m)-wide tire tracks on a driveway or a 3-foot (0.91 m) center portion of a sidewalk, etc.
Mobile snow melters drive down a street or along a rail line collecting snow and melting it. These often have a holding tank so the melt-water can be discharged at a designated location. Semi-mobile units have wheels and are moved into position and then loaded with snow by another machine.
The snow machine melts approximately 136 tonnes (134 long tons; 150 short tons) of snow [7] per hour using air/fuel combustion to heat water and mix it with snow in a melting tank. The melted snow continuously drains from the tank, as it overflows, out of the melter and into storm drains or sewers along the road. The machine is self-propelled ...
De-icing is defined as removal of existing snow, ice or frost from a roadway, airport runway, roof, or other surface. It includes both mechanical means, such as plowing, vacuuming or scraping, and chemical means, such as application of salt or other ice-melting chemicals.
The melting of Alaska's Juneau icefield, home to more than 1,000 glaciers, is accelerating. The snow covered area is now shrinking 4.6 times faster than it was in the 1980s, according to a new study.
In addition, the complicated melting process means that snow melting vehicles have a much lower capacity than the equivalent plow or blower vehicle; the largest snow melter can remove 500 metric tons of snow per hour, compared to the 5,000 metric tons per hour capacity of any large snow blower.