Preprints
https://doi.org/10.5194/essd-2021-336
https://doi.org/10.5194/essd-2021-336
07 Jan 2022
 | 07 Jan 2022
Status: this discussion paper is a preprint. It has been under review for the journal Earth System Science Data (ESSD). The manuscript was not accepted for further review after discussion.

Surface elevation and ice thickness data between 2012 and 2020 at the ablation area of Artesonraju Glacier, Cordillera Blanca, Perú

Jonathan Oberreuter, Edwin Badillo-Rivera, Edwin Loarte, Katy Medina, Alejo Cochachin, and José Uribe

Abstract. We present a representative set of data of interpreted ice thickness and ice surface elevation of the ablation area of the Artesonraju glacier between 2012 and 2020. The ice thickness was obtained by means of Ground Penetrating Radar (GPR), while the surface elevation was by means of automated total stations and mass balance stakes. The results from GPR data show a maximum depth of 235 ± 18 m and a decreasing mean depth ranging from 134 ± 18 m in 2013 to 110 ± 18 m in 2020. Additionally, we estimate a mean ice thickness change rate of −4.2 ± 3.2 m yr−1 between 2014 and 2020 with GPR data alone, which is in agreement with the elevation change in the same period. The latter was estimated with the more accurate surface elevation data, yielding a change rate of −3.2 ± 0.2 m yr−1, and hence, confirming a negative glacier mass balance. The data set can be valuable for further analysis when combined with other data types, and as input for glacier dynamics modeling, ice volume estimations, and GLOF (glacial lake outburst flood) risk assessment. The complete dataset is available at https://doi.org/10.5281/zenodo.5571081 (Oberreuter et al, 2021).

Publisher's note: Copernicus Publications remains neutral with regard to jurisdictional claims made in the text, published maps, institutional affiliations, or any other geographical representation in this preprint. The responsibility to include appropriate place names lies with the authors.
Jonathan Oberreuter, Edwin Badillo-Rivera, Edwin Loarte, Katy Medina, Alejo Cochachin, and José Uribe

Status: closed

Comment types: AC – author | RC – referee | CC – community | EC – editor | CEC – chief editor | : Report abuse
  • RC1: 'Review of essd-2021-336', Anonymous Referee #1, 07 Feb 2022
  • RC2: 'Comment on essd-2021-336', Anonymous Referee #2, 10 Feb 2022
  • RC3: 'Comment on essd-2021-336', Anonymous Referee #3, 15 Feb 2022

Status: closed

Comment types: AC – author | RC – referee | CC – community | EC – editor | CEC – chief editor | : Report abuse
  • RC1: 'Review of essd-2021-336', Anonymous Referee #1, 07 Feb 2022
  • RC2: 'Comment on essd-2021-336', Anonymous Referee #2, 10 Feb 2022
  • RC3: 'Comment on essd-2021-336', Anonymous Referee #3, 15 Feb 2022
Jonathan Oberreuter, Edwin Badillo-Rivera, Edwin Loarte, Katy Medina, Alejo Cochachin, and José Uribe

Data sets

Surface elevation (2012-2020) and ice thickness (2014-2020) datasets measured at Artesonraju Glacier, Cordillera Blanca, Perú Jonathan Oberreuter, Edwin Badillo-Rivera, Edwin Loarte, Katy Medina, Alejo Cochachin, and José Uribe https://doi.org/10.5281/zenodo.5571081

Jonathan Oberreuter, Edwin Badillo-Rivera, Edwin Loarte, Katy Medina, Alejo Cochachin, and José Uribe

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Short summary
We present a representative set of data of interpreted ice thickness and ice surface elevation of the ablation area of the Artesonraju glacier between 2012 and 2020. The results show a maximum depth of 235 ± 18 m and a decreasing mean depth ranging from 134 ± 18 m in 2013 to 110 ± 18 m in 2020. Additionally, we estimate a mean ice thickness change rate of −4.2 ± 3.2 m yr−1 between 2014 and 2020, which is in agreement with the elevation change in the same period of −3.2 ± 0.2 m yr−1.
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