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Item: Recent Changes in Avalanche Activity in the French Alps and Their Links With Climatic Drivers: An Overview

    • Title: Recent Changes in Avalanche Activity in the French Alps and Their Links With Climatic Drivers: An Overview

      Proceedings: International Snow Science Workshop Grenoble – Chamonix Mont-Blanc - October 07-11, 2013

      Authors:

      • Nicolas Eckert  [ IRSTEA Grenoble, Saint Martin d’Hères, France ]
      • Aurore Lavigne  [ Equipe MORSE, UMR 518 INRA-AgroParisTech, Paris, France ]
      • Hélène Castebrunet  [ INSA de Lyon, Laboratoire LGCIE, Villeurbanne, France ]
      • Gérald Giraud  [ GAME/CNRM-CEN (CNRS/Météo-France), Saint Martin d’Hères, France ]
      • Mohamed Naaim  [ IRSTEA Grenoble, Saint Martin d’Hères, France ]

      Date: 2013-10-07

      Abstract: This paper synthetizes our ongoing work on relations between natural avalanche activity and climate change in the French Alps and subregions. Firm results mainly concern occurrences, runout altitudes and high return period avalanches on long time scales (averages over “full” winters and winter-spring sub-seasons) since ~1950. Work in progress concerns extrapolation under future climate, shorter time scales (avalanche cycles), and more generally risk assessment under unstationarity. The strength and interest of the approach rely on the exceptional quality/quantity of avalanche records and snow and weather covariates available/used and on the development of specific statistical treatment methods.

      Language of Article: English

      Presenters: Unknown

      Keywords: avalanche activity, climate change, time trends, french alps

      Page Number(s): 1211-1215

      Subjects: avalanche activity climate change avalanche cycle

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