Reconstruction of the 1941 GLOF process chain  at Lake Palcacocha (Cordillera Blanca, Peru)

Mergili, Martin; Pudasaini, Shiva P.; Emmer, Adam; Fischer, Jan-Thomas; Cochachin, Alejo; Frey, Holger

doi:https://doi.org/10.5194/hess-24-93-2020

Articles | Volume 24, issue 1

https://doi.org/10.5194/hess-24-93-2020

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

https://doi.org/10.5194/hess-24-93-2020

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

Articles | Volume 24, issue 1

Research article

|

09 Jan 2020

Research article |

| 09 Jan 2020

Reconstruction of the 1941 GLOF process chain at Lake Palcacocha (Cordillera Blanca, Peru)

Martin Mergili, Shiva P. Pudasaini, Adam Emmer, Jan-Thomas Fischer, Alejo Cochachin, and Holger Frey

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Final revised paper (published on 09 Jan 2020)
Preprint (discussion started on 19 Aug 2019)

Interactive discussion

Status: closed

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

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- Supplement

RC1: 'Papare by Mergili et al HESS-2019-357', John Reynolds, 27 Sep 2019
- AC1: 'Response to Referee #1', Martin Mergili, 04 Nov 2019
RC2: 'Reconstruction of the 1941 GLOF process chain t Lake Palcacocha (Cordillera Blanca, Peru)', Anonymous Referee #2, 30 Sep 2019
- AC2: 'Response to Referee #2', Martin Mergili, 04 Nov 2019
RC3: 'Minor Revision', Ashim Sattar, 08 Oct 2019
- AC3: 'Response to Referee #3', Martin Mergili, 04 Nov 2019

Peer-review completion

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

ED: Publish subject to minor revisions (further review by editor) (16 Nov 2019) by Matjaz Mikos

AR by Martin Mergili on behalf of the Authors (18 Nov 2019) Author's response Manuscript

ED: Publish subject to technical corrections (30 Nov 2019) by Matjaz Mikos

AR by Martin Mergili on behalf of the Authors (02 Dec 2019) Manuscript

Short summary

In 1941, the glacial lagoon Lake Palcacocha in the Cordillera Blanca (Peru) drained suddenly. The resulting outburst flood/debris flow consumed another lake and had a disastrous impact on the town of Huaraz 23 km downstream. We reconstuct this event through a numerical model to learn about the possibility of prediction of similar processes in the future. Remaining challenges consist of the complex process interactions and the lack of experience due to the rare occurrence of such process chains.