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Snow cannon

Snow cannon

T742/0096

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Credit

ADAM HART-DAVIS / SCIENCE PHOTO LIBRARY ADAM HART-DAVIS / SCIENCE PHOTO LIBRARY

Caption

Snow cannon in use. This piece of equipment is commonly found on the lower slopes at ski resorts, where it produces extra snow to ensure a good ski- ing surface. A snow cannon has two pumps, one for water and one for compressed air. Water droplets are sprayed as a fine mist into the compressed air. The water freezes rapidly and forms tiny crystals of snow that fall onto the slopes. To encourage the formation of crystals, a natural protein called Snowmax can be used to aid freezing in a process called nucleation. Climate change has been blamed for the lighter, shorter snow falls that have necessitated the use of snow cannons. Photographed in the French Alps, France.

Release details

Model release not required. Property release not required.

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