Measurements of ice deformation at the confluence area of Unteraargletscher, Bernese Alps, Switzerland

G. Hilmar Gudmundsson*, Almut Iken, Martin Funk

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

24 Citations (Scopus)

Abstract

An experimental study of ice deformation at the confluence area of Unteraargletscher, Bernese Alps, Switzerland, has been carried out. Surface velocities were measured by repeatedly surveying stakes and with the use of remote-sensing methods. The variation of the vertical strain rates with depth was measured in boreholes. The confluence center line is subjected to longitudinal horizontal extension, which is exceeded in magnitude by a concomitant transverse compression. Vertical strain rates change from positive (extension) at the surface to negative (compression) in the lowest layers of the glacier.

Original languageEnglish
Pages (from-to)548-556
Number of pages8
JournalJournal of Glaciology
Volume43
Issue number145
DOIs
Publication statusPublished - 1997
Externally publishedYes

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