Thermal and Mechanical Responses Resulting From Spatial and Temporal Snow Cover Variability in Permafrost Rock Slopes, Steintaelli, Swiss Alps

Daniel Draebing, Anna Haberkorn, Michael Krautblatter, Robert Kenner, Marcia Phillips

Research output: Contribution to journalArticleAcademicpeer-review

Abstract

Abstract The aim of this study is to investigate the influence of snow on permafrost and rock stability at the Steintaelli (Swiss Alps). Snow depth distribution was observed using terrestrial laser scanning and time-lapse photography. The influence of snow on the rock thermal regime was investigated using near-surface rock temperature measurements, seismic refraction tomography and one-dimensional thermal modelling. Rock kinematics were recorded with crackmeters. The distribution of snow depth was strongly determined by rock slope micro-topography. Snow accumulated to thicknesses of up to 3.8?m on less steep rock slopes (
Original languageEnglish
Pages (from-to)140-157
Number of pages18
JournalPermafrost and Periglacial Processes
Volume28
Issue number1
DOIs
Publication statusPublished - 2017
Externally publishedYes

Keywords

  • snow cover
  • rock permafrost
  • rock wall stability
  • thermal processes
  • one-dimensional thermal modelling
  • seismic refraction tomography

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