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  2. Ice dam (roof) - Wikipedia

    en.wikipedia.org/wiki/Ice_dam_(roof)

    An ice dam is an ice build-up on the eaves of sloped roofs of heated buildings that results from melting snow under a snow pack reaching the eave and freezing there. Freezing at the eave impedes the drainage of meltwater, which adds to the ice dam and causes backup of the meltwater, which may cause water leakage into the roof and consequent ...

  3. Snowmelt system - Wikipedia

    en.wikipedia.org/wiki/Snowmelt_system

    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.

  4. Snow removal - Wikipedia

    en.wikipedia.org/wiki/Snow_removal

    Some individual buildings may melt snow and ice with electric heating elements buried in the pavement, or even on a roof to prevent ice dams on the shingles, or to keep massive chunks of snow and dangerous icicles from collapsing on anyone below. Small areas of pavement can be kept ice-free by circulating heated liquids in embedded piping systems.

  5. Why salt melts ice — and how to use it on your sidewalk - AOL

    www.aol.com/news/chemists-told-us-why-salt...

    Salt grains, used for melting ice and snow, seen on an icy sidewalk. (Getty Images) (Dima Berlin via Getty Images) Ice has a semi-liquid surface layer; When you mix salt onto that layer, it slowly ...

  6. Snow guard - Wikipedia

    en.wikipedia.org/wiki/Snow_guard

    Three-pipe Snow Fence System Snow Guards in Jackson, WY, USA Standing seam metal roof with Snow guards to keep snow from sliding off the roof too quickly. A snow guard is a device used to retain snow and ice from falling from one surface to a lower one; in contemporary usage, they are installed to prevent snow/ice pack from avalanching and damaging people, plants, and property below.

  7. Snowmelt - Wikipedia

    en.wikipedia.org/wiki/Snowmelt

    The snow does not melt slower gradually with distance from the trunk, but rather creates a wall surrounding snow-free ground around it. According to some of sources, North American spring ephermal plants like spring beauty ( Claytonia caroliniana ), trout lily ( Erythronium americanum ) and red trillium ( Trillium erectum L.) benefit from such ...

  8. Scientists mapped the world’s rivers over 35 years. They ...

    www.aol.com/news/scientists-mapped-world-rivers...

    For the smallest rivers, many of which are affected by increasing ice and snow melt as the world warms, faster flows can have some positive impacts, such as providing nutrients to fish and helping ...

  9. A Cold War-era bomb shelter in Florida has new owners. What's ...

    www.aol.com/cold-war-era-bomb-shelter-100924902.html

    The previous owners attempted to fashion the shelter into a Tier IV data center — the modern classification for the most secure, fault-tolerant systems — which wasn't far off from the shelter ...

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