Ground temperature and permafrost distribution in Hurd Peninsula (Livingston Island, Maritime Antarctic): An assessment using freezing indexes and TTOP modelling

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• 作者：Alice Ferreira^a ; ^{alice.ferreira@campus.ul.pt} ; Gonç ; alo Vieira^a ; Miguel Ramos^b ; Alexandre Nieuwendam^a
• 关键词：Permafrost ; Snow ; N-factor ; TTOP ; Maritime Antarctica ; Livingston Island
• 刊名：CATENA
• 出版年：2017
• 出版时间：February 2017
• 年：2017
• 卷：149
• 期：part_P2
• 页码：560-571
• 全文大小：1647 K
• 卷排序：149

文摘

Snow cover plays a major role in the ground temperature regime. TTOP modelling provided good results for estimating permafrost in Hurd Peninsula. Low (36 m) and mid altitude sites (117 m) showed low probability of permafrost. Modelling showed high probability of permafrost occurrence in bedrock at 140 m. Permafrost is likely continuous in bedrock above 150 m with thick active layers.