Articles | Volume 15, issue 7
The Cryosphere, 15, 3135–3157, 2021
https://doi.org/10.5194/tc-15-3135-2021
The Cryosphere, 15, 3135–3157, 2021
https://doi.org/10.5194/tc-15-3135-2021

Research article 08 Jul 2021

Research article | 08 Jul 2021

Twentieth century global glacier mass change: an ensemble-based model reconstruction

Jan-Hendrik Malles and Ben Marzeion

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To better estimate the uncertainty in glacier mass change modeling during the 20th century we ran an established model with an ensemble of meteorological data sets. We find that the total ensemble uncertainty, especially in the early 20th century, when glaciological and meteorological observations at glacier locations were sparse, increases considerably compared to individual ensemble runs. This stems from regions with a lot of ice mass but few observations (e.g., Greenland periphery).