Preprints
https://doi.org/10.5194/tc-2021-88
https://doi.org/10.5194/tc-2021-88

  07 Jul 2021

07 Jul 2021

Review status: this preprint is currently under review for the journal TC.

Comment on "Ice content and interannual water storage changes of an active rock glacier in the dry Andes of Argentina" by Halla et al. (2021)

W. Brian Whalley W. Brian Whalley
  • Department of Geography, University of Sheffield, Sheffield UK

Abstract. Recently published work on water preservation in Chile assume that 'permafrost'  (cryogenic) rock glaciers are dominant. Melt pond development shows that rock glaciers are glacier-derived ('glacigenic') rather than of permafrost origin. 

W. Brian Whalley

Status: open (until 01 Sep 2021)

Comment types: AC – author | RC – referee | CC – community | EC – editor | CEC – chief editor | : Report abuse

W. Brian Whalley

W. Brian Whalley

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Short summary
Examination of recent Google Earth images glaciers and rock glaciers in the 'Dry Andes' have sufficient detail to show surface meltwater pools. These pools have exposures of glacier ice that core the rock glaciers with volume loss. Such pools are seen on debris-covered glaciers and rock glaciers worldwide and cast doubt on the 'permafrost' origin of rock glaciers.