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  Characteristics of extreme accumulation events in West Antarctica

Gilbert, E., Orr, A., Pishniak, D., Kristiina, V., van de Berg, W. J., Mottram, R. (2023): Characteristics of extreme accumulation events in West Antarctica, XXVIII General Assembly of the International Union of Geodesy and Geophysics (IUGG) (Berlin 2023).
https://doi.org/10.57757/IUGG23-0702

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Item Permalink: https://gfzpublic.gfz-potsdam.de/pubman/item/item_5016786 Version Permalink: https://gfzpublic.gfz-potsdam.de/pubman/item/item_5016786_1
Genre: Conference Paper

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 Creators:
Gilbert, Ella1, Author
Orr, Andrew1, Author
Pishniak, Denys1, Author
Kristiina, Verro1, Author
van de Berg, Willem Jan1, Author
Mottram, Ruth1, 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 West Antarctica are accelerating extremely rapidly and discharging enormous quantities of ice into the ocean, adding to global sea level. However, while ice loss factors in this region are important to consider, the other side of the mass balance equation – accumulation - also has a strong bearing on overall ice mass. In this study, we examine extreme accumulation events over the West Antarctic region focusing on the Thwaites and Pine Island glaciers. Several regional climate models (MetUM, HCLIM and Polar-WRF) are used to dynamically downscale ERA5 reanalysis to 12 km, 3 km and 1 km resolution and we compare against AMIGOS snow accumulation data to validate and add value to the model simulations. In this work we will explore the characteristics of extreme precipitation events and evaluate how enhanced resolution impacts the quality of simulations.

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Language(s): eng - English
 Dates: 2023
 Publication Status: Finally published
 Pages: -
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 Rev. Type: -
 Identifiers: DOI: 10.57757/IUGG23-0702
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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: -