Journal
GEOMORPHOLOGY
Volume 131, Issue 3-4, Pages 98-106Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.geomorph.2011.05.002
Keywords
Rock glacier; Permafrost; Thermal conditioning; Emergence; Landform classification; Debris-covered glacier
Funding
- Fulbright scholarship
- NTNU, Trondheim, Norway
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Whether rock glaciers are permafrost creep features or may also be related to glaciers in non-permafrost environments, and whether they should be defined by genesis or appearance, have caused heated debate for several decades. This paper analyses the rock glacier debate from a theoretical viewpoint, in order to highlight and discuss underlying problems and with the aim of providing a common conceptual framework from which to proceed. It is suggested that the morphological rock glacier definition should be abandoned. A new genetic definition is proposed where permafrost is the primary condition, but where the deforming ice/debris may be of both glacial and periglacial origin. (C) 2011 Elsevier B.V. All rights reserved.
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