Ground temperature and permafrost distribution in Hurd Peninsula (Livingston Island, Maritime Antarctic): An assessment using freezing indexes and TTOP modelling
作者: Alice FerreiraGonçalo VieiraMiguel RamosAlexandre Nieuwendam
作者单位: 1Centre for Geographical Studies, IGOT, Universidade de Lisboa, Portugal
2Universidad de Alcalá de Henares, Spain
刊名: Catena, 2017, Vol.149 , pp.560-571
来源数据库: Elsevier Journal
DOI: 10.1016/j.catena.2016.08.027
关键词: PermafrostSnowN-factorTTOPMaritime AntarcticaLivingston Island
英文摘要: Abstract(#br)The Western Antarctic Peninsula region shows mean annual air temperatures ranging from −4 to −2°C. Due to its proximity to the climatic threshold of permafrost, and evidence of recent changes in regional air temperatures, this is a crucial area to analyse climate-ground interactions. Freezing indexes and n-factors from contrasting topographic locations in Hurd Peninsula (Livingston Island) are analysed to assess the influence of snow cover on soil's thermal regime. The snow pack duration, thickness and physical properties are key in determining the thermal characteristics and spatial distribution of permafrost. The Temperature at the Top Of the Permafrost (TTOP) model uses freezing and thawing indexes, n-factors and...
全文获取路径: Elsevier  (合作)
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影响因子:1.881 (2012)

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关键词翻译
关键词翻译
  • 冰冻 评价
  • permafrost 永冻土
  • Antarctica 南极洲
  • assessment 评价
  • freezing 评价
  • factor 因素
  • temperature 温度
  • modelling 模型制造
  • distribution 分布
  • Ground 地面