Current glacier recession causes significant rockfall increase: the immediate paraglacial response of deglaciating cirque walls

Hartmeyer, Ingo; Delleske, Robert; Keuschnig, Markus; Krautblatter, Michael; Lang, Andreas; Schrott, Lothar; Otto, Jan-Christoph

doi:https://doi.org/10.5194/esurf-8-729-2020

Articles | Volume 8, issue 3

Earth Surf. Dynam., 8, 729–751, 2020

https://doi.org/10.5194/esurf-8-729-2020

© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.

Earth Surf. Dynam., 8, 729–751, 2020

https://doi.org/10.5194/esurf-8-729-2020

© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 8, issue 3

Research article 11 Sep 2020

Research article | 11 Sep 2020

Current glacier recession causes significant rockfall increase: the immediate paraglacial response of deglaciating cirque walls

Ingo Hartmeyer et al.

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Final revised paper (published on 11 Sep 2020)
Supplement to the final revised paper
Preprint (discussion started on 09 Mar 2020)
Supplement to the preprint

Interactive discussion

Status: closed

AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment

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- Supplement

RC1: 'Interpretation of results - hypothesis testing', Alison Anders, 27 Mar 2020
- AC1: 'Author's Reply', Ingo Hartmeyer, 29 Mar 2020
- AC3: 'Point-by-point response', Ingo Hartmeyer, 25 Jun 2020
SC1: 'Comments concerning the evidence of rockfalls in this paper', Jan Beutel, 05 Apr 2020
- AC2: 'Author Reply', Ingo Hartmeyer, 12 Apr 2020
  - AC4: 'Point-by-point response', Ingo Hartmeyer, 25 Jun 2020
RC2: 'Review on Current glacier recession causes significant rockfall increase: The immediate paraglacial response of deglaciating cirque walls', Robert Kenner, 16 Apr 2020
- AC5: 'Point-by-point response', Ingo Hartmeyer, 25 Jun 2020
AC6: 'Letter to reviewers and editors', Ingo Hartmeyer, 25 Jun 2020

Peer-review completion

AR: Author's response | RR: Referee report | ED: Editor decision

AR by Ingo Hartmeyer on behalf of the Authors (25 Jun 2020) Author's response Manuscript

ED: Publish subject to technical corrections (16 Jul 2020) by Arjen Stroeven

ED: Publish subject to technical corrections (16 Jul 2020) by Niels Hovius(Editor)

AR by Ingo Hartmeyer on behalf of the Authors (24 Jul 2020) Author's response Manuscript

Short summary

Climate warming is causing significant ice surface lowering even in the uppermost parts of alpine glaciers. Using terrestrial lidar, we quantify rockfall in freshly exposed cirque walls. During 6-year monitoring (2011–2017), an extensive dataset was established and over 600 rockfall events identified. Drastically increased rockfall activity following ice retreat can clearly be observed as 60 % of the rockfall volume detached from less than 10 m above the glacier surface.