Debris transport in a temperate valley glacier: Haut Glacier d'Arolla, Valais, Switzerland

  • Goodsell B
  • Hambrey M
  • Classer N
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  • 31

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Abstract

This paper considers the role of structural glaciology in debris entrainment,
transport and deposition at Haut Glacier d'Arolla, a temperate valley
glacier in Valais, Switzerland. Sedimentological descriptions and
clast analysis have been used to identify relationships between ice
structure and debris transport. Relationships identified are (1)
debris associated with crevasse traces, (2) the folding of rockfall
material incorporated within primary stratification to form medial
moraines and (3) dirt cones and englacial debris layers associated
with reactivated crevasse traces. A conceptual model is introduced
to summarize the manner in which ice structures at Haut Glacier d'Arolla
control entrainment and deposition of debris.

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Authors

  • B. Goodsell

  • M. J. Hambrey

  • N. F. Classer

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