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  The pulse of the Pamirs: how do the warm summers of 2021 and 2022 fit into the bigger picture?

Miles, E., Shaw, T. E., Fiddes, J., Ren, S., Jouberton, A., Barandun, M., Fugger, S., Saks, T., Kayumov, A., Hoelzle, M., Pellicciotti, F. (2023): The pulse of the Pamirs: how do the warm summers of 2021 and 2022 fit into the bigger picture?, XXVIII General Assembly of the International Union of Geodesy and Geophysics (IUGG) (Berlin 2023).
https://doi.org/10.57757/IUGG23-4433

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Item Permalink: https://gfzpublic.gfz-potsdam.de/pubman/item/item_5021863 Version Permalink: https://gfzpublic.gfz-potsdam.de/pubman/item/item_5021863_1
Genre: Conference Paper

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 Creators:
Miles, Evan1, Author
Shaw, Thomas E.1, Author
Fiddes, Joel1, Author
Ren, Shaoting1, Author
Jouberton, Achille1, Author
Barandun, Martina1, Author
Fugger, Stefan1, Author
Saks, Tomas1, Author
Kayumov, Abdulhamid1, Author
Hoelzle, Martin1, Author
Pellicciotti, Francesca1, Author
Affiliations:
1IUGG 2023, General Assemblies, 1 General, International Union of Geodesy and Geophysics (IUGG), External Organizations, ou_5011304              

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 Abstract: Glaciers in the European Alps recorded exceptional melt volumes in the summer of 2022. Impressions from High Mountain Asia also suggested higher-than-usual mass loss. Our observations at seven hotspots in the Pamir mountains highlighted glaciers suffering from small accumulation areas at the end of the balance year, due to reduced winter snowfall and increased summer melt. The glacier mass budget of this mountain range has been regarded as part of the Pamir-Karakoram Anomaly, but the most recent satellite observations suggest that the Karakoram Anomaly is coming to an end. Here, we draw together field and remote sensing observations to assess the severity of Pamir mass loss in recent years, and in the extreme 2022 summer in particular, as compared to the historical baseline. We examine climatic records and reanalyses to establish the degree to which recent years fit within the observed historic seasonal and annual ranges. We compare the recent to historic mass balance measurements at Abramov Glacier, the single long-term monitoring reference glacier for the region. We combine geodetic glacier mass balances surveyed from a variety of sources to consider how well observations agree with one another. We then consider changes to observed glacier surface albedo and surface temperature over the past 20 years based on satellite record. Finally, we examine interannual and decadal changes to on-glacier and catchment snowlines. Taken together, these data sources enable us to link direct meteorological and glaciological conditions to broad spatial and temporal patterns of change across the Pamir mountains.

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Language(s): eng - English
 Dates: 2023-07-112023-07-11
 Publication Status: Finally published
 Pages: -
 Publishing info: -
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 Rev. Type: -
 Identifiers: DOI: 10.57757/IUGG23-4433
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Title: XXVIII General Assembly of the International Union of Geodesy and Geophysics (IUGG)
Place of Event: Berlin
Start-/End Date: 2023-07-11 - 2023-07-20

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Title: XXVIII General Assembly of the International Union of Geodesy and Geophysics (IUGG)
Source Genre: Proceedings
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Publ. Info: Potsdam : GFZ German Research Centre for Geosciences
Pages: - Volume / Issue: - Sequence Number: - Start / End Page: - Identifier: -