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Rock glaciers on Prins Karls Forland, Svalbard. I: internal structure, flow velocity and morphology

Author

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  • Ivar Berthling
  • Bernd Etzelmüller
  • Trond Eiken
  • Johan Ludvig Sollid

Abstract

Rock glacier structure, velocity and morphology were studied on the island of Prins Karls Forland, western Svalbard (78°50′N, 10°30′E). On the north‐western part of the island, lobate rock glaciers build a 10 km long continuous transition between rockwall and strandflat area. In this area, a high‐resolution digital elevation model (DEM) was constructed, and surface velocity measurements and DC resistivity soundings were carried out on selected rock glaciers. The conceptual model of Haeberli and Vonder Mühll is discussed for high arctic areas, where the permafrost base is beneath the base of the rock glaciers. © 1998 John Wiley & Sons, Ltd. La structure, la vitesse et la morphologie des glaciers rocheux ont été étudiées sur l'ile Prins Karls Forland, dans le Svalbard occidental (78°50′N, 10°30′E). Dans la partie nord‐ouest de l'ile, des glaciers rocheux lobés constituent une transition continue de 10 km de longueur entre la falaise rocheuse et la plate‐forme marine. Dans cette zone, un modèle de relief digital à haute résolution a été établi, et des mesures de vitesse de surface ainsi que des sondages par résistivité ont été réalisés sur certains glaciers rocheux. Le modèle conceptuel de Haeberli et Vonder Mühl (1996) est discuté dans son application à des régions du haut Arctique où la base du pergélisol se trouve sous la base du glacier rocheux. © 1998 John Wiley & Sons, Ltd.

Suggested Citation

  • Ivar Berthling & Bernd Etzelmüller & Trond Eiken & Johan Ludvig Sollid, 1998. "Rock glaciers on Prins Karls Forland, Svalbard. I: internal structure, flow velocity and morphology," Permafrost and Periglacial Processes, John Wiley & Sons, vol. 9(2), pages 135-145, April.
  • Handle: RePEc:wly:perpro:v:9:y:1998:i:2:p:135-145
    DOI: 10.1002/(SICI)1099-1530(199804/06)9:23.0.CO;2-R
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