Active layer dynamics in three topographically distinct lake catchments in Byers Peninsula (Livingston Island, Antarctica)
作者: Marc OlivaFilip HrbacekJesús Ruiz-FernándezMiguel Ángel de PabloGonçalo VieiraMiguel RamosDermot Antoniades
作者单位: 1Centre for Geographical Studies, – IGOT, Universidade de Lisboa, Lisbon, Portugal
2Department of Geography, Masaryk University, Brno, Czech Republic
3Department of Geography, University of Oviedo, Oviedo, Spain
4Department of Geology, Geography and Environment, University of Alcalá, Madrid, Spain
5Department of Physics and Mathematics, University of Alcalá, Madrid, Spain
6Department of Geography, Université Laval, Canada
7Centre for Northern Studies (CEN), Université Laval, Canada
刊名: Catena, 2017, Vol.149 , pp.548-559
来源数据库: Elsevier Journal
DOI: 10.1016/j.catena.2016.07.011
关键词: Active layerTopographySnow coverByers PeninsulaAntarctica
英文摘要: Abstract(#br)Topography exerts a key role in controlling permafrost distribution in areas where mean annual temperatures are slightly negative. One such case is the low-altitude environments of Maritime Antarctica, where permafrost is sporadic to discontinuous below 20–40m asl and continuous at higher areas and active layer dynamics are thus strongly conditioned by geomorphological setting. In January 2014 we installed three sites for monitoring active layer temperatures across Byers Peninsula (Livingston Island, South Shetland Islands) at elevations between 45 and 100m. The sites are situated in lake catchments (lakes Escondido, Cerro Negro, and Domo) that have different geomorphological and topographical conditions. Our objective was to examine the...
全文获取路径: Elsevier  (合作)
影响因子:1.881 (2012)

  • Antarctica 南极洲
  • dynamics 动力学
  • distinct 相异的
  • cover 覆盖
  • Active 活性的
  • layer 
  • three