Impact of the Nares Strait sea ice arches on the long-term stability of the Petermann Glacier ice shelf
Abstract < 200 m) drafts during winter, in summer it extends to the GL (ca. 600 m) depth. In the absence of an increase in thermal driving, increased melting under the deeper (> 200 m) drafts in winter is solely driven by the increased vertical shear of a more energetic boundary layer current. A similar behaviour is noted when transitioning from a mobile to a thin mobile sea ice cover in summer, when increases in thermal driving are negligible and increases in melt are congruent with increases in friction velocity. These results suggest that the projected continuation of the warming of the Arctic Ocean until the end of the 21st century and the accompanying decline in the Arctic sea ice extent and thickness will amplify the basal melt of PGIS, impacting the long-term stability of the Petermann Glacier and its contribution to the future GrIS mass loss and sea level rise.
- Standort
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Deutsche Nationalbibliothek Frankfurt am Main
- Umfang
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Online-Ressource
- Sprache
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Englisch
- Erschienen in
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Impact of the Nares Strait sea ice arches on the long-term stability of the Petermann Glacier ice shelf ; volume:17 ; number:12 ; year:2023 ; pages:5255-5281 ; extent:27
The Cryosphere ; 17, Heft 12 (2023), 5255-5281 (gesamt 27)
- Urheber
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Prakash, Abhay
Zhou, Qin
Hattermann, Tore
Kirchner, Nina
- DOI
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10.5194/tc-17-5255-2023
- URN
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urn:nbn:de:101:1-2023121403200481034453
- Rechteinformation
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Open Access; Der Zugriff auf das Objekt ist unbeschränkt möglich.
- Letzte Aktualisierung
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15.08.2025, 07:31 MESZ
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Beteiligte
- Prakash, Abhay
- Zhou, Qin
- Hattermann, Tore
- Kirchner, Nina
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