An ecoregional assessment of freezing season air and ground surface temperature in the Mackenzie Valley corridor, NWT, Canada
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- 作者：Sharon L. Smitha ; Sharon.Smith@canada.ca" class="auth_mail" title="E-mail the corresponding author ; Daniel W. Riseborougha ; Philip P. Bonnaventureb ; Philip.Bonnaventure@uleth.ca" class="auth_mail" title="E-mail the corresponding author ; Caroline Duchesnea ; Caroline.Duchesne@canada.ca" class="auth_mail" title="E-mail the corresponding author
- 关键词：Permafrost ; Mackenzie Valley ; Freezing degree-days ; n-factors ; Zero curtain
- 刊名：Cold Regions Science and Technology
- 出版年：2016
- 出版时间：May 2016
- 年：2016
- 卷：125
- 期：Complete
- 页码：152-161
- 全文大小：2501 K
文摘
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Assesses a common air-freezing threshold as an indicator of sufficient ground freezing
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Characterizes latitudinal and temporal trends in temperature indices across ecoregions
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Air temperature trend of 0.75 °C/N° in the air, while surface temperatures increase by 0.9 °C/N°
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The use of a common air-freezing threshold appears inappropriate across all ecoregions analyzed