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Record #125446:

Air-gap formation by snow melting / Yasuaki Nohguchi.

Title: Air-gap formation by snow melting / Yasuaki Nohguchi.
Author(s): Nohguchi, Yasuaki.
Date: 1993.
In: Annals of Glaciology. (1993.), Vol. 18 (1993)
Abstract: Snow on roofs or roads may be removed by artificial heating, causing air gaps to form where snow was in contact with roof or road, which reduces efficiency of snowmelt process. To understand this, simple models are proposed to describe air-gap formation from horizontally uniform snow cover without air gaps. Using these models, conditions for air-gap formation are derived theoretically and then roles of each parameter governing air-gap formation is discussed.
Notes:

Annals of Glaciology. Vol. 18 :251-256 (1993).

Keywords: 624.14 -- Snow and ice engineering.
624.144.5 -- Snow and ice removal.
625.7 -- Road construction and maintenance.
624.042.42 -- Snow load on structures.
E12 -- Glaciology: frozen ground / snow and ice engineering.
SPRI record no.: 125446

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520 3# ‡aSnow on roofs or roads may be removed by artificial heating, causing air gaps to form where snow was in contact with roof or road, which reduces efficiency of snowmelt process. To understand this, simple models are proposed to describe air-gap formation from horizontally uniform snow cover without air gaps. Using these models, conditions for air-gap formation are derived theoretically and then roles of each parameter governing air-gap formation is discussed.
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