Influence of surface conditions on ground temperature

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Journal titleCanadian Journal of Earth Sciences
Pages199208; # of pages: 10
SubjectPermafrost; Soils; surface temperature; ambient temperature; snow cover; convection; Basements and foundations; Pergelisol; Sol; temperature superficielle; temperature ambiante; couche de neige; convection
AbstractGround temperatures were measured under two parking lots, one of which was cleared of snow in winter, and monthly and annual average surface temperatures were estimated by extrapolation. The surface temperatures were compared with monthly and annual surface and air temperatures measured at a nearby grassed site. A dependence of the difference between the monthly average surface and air temperatures on snow cover and convective loss was observed. A correlation was found to exist between the monthly average of the daily global solar radiation and the difference between monthly average air temperature and monthly average parking lot surface temperature. It was demonstrated that, because of a change in surface conditions, there was a change in annual average ground temperature beneath a parking lot. The observations are discussed with reference to the formation of sporandic permafrost.
Publication date
AffiliationNRC Institute for Research in Construction; National Research Council Canada
Peer reviewedNo
NRC number9227
NPARC number20377452
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Record identifier3417da74-5f66-413f-9b87-f30cd7a8f1b1
Record created2012-07-24
Record modified2016-05-09
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