Hoar-frosted Road Marker is a photograph by Duncan Shaw which was uploaded on May 8th, 2013.
Hoar-frosted Road Marker
Hoar-frosted road marker. Crystals of hoar frost frozen onto a reflective road marker post. The red area reflects car headlights, improving road... more
by Duncan Shaw
Title
Hoar-frosted Road Marker
Artist
Duncan Shaw
Medium
Photograph
Description
Hoar-frosted road marker. Crystals of hoar frost frozen onto a reflective road marker post. The red area reflects car headlights, improving road safety. Hoar frost forms from air that is supersaturated with water vapour. This can occur when moist air cools rapidly. For hoar frost to form, the temperature of the surface on which the deposition occurs has to be below the freezing point of water. This results in the formation of many needle-like ice crystals. Hoar frost forms in still, clear and cold weather. Photographed in Dunvegan, on the Isle of Skye, off the western coast of Scotland.
Uploaded
May 8th, 2013
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