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Tipping Points in Antarctic Climate Components (TiPACCs)

Tipping Points in Antarctic Climate Components (TiPACCs)

, Photo: Svein Østerhus (NORCE), Ekström PS, ,

Photo: Svein Østerhus (NORCE)

TiPACCs is a European Horizon 2020 research project investigating the possibility of sudden and large changes in Antarctic Climate Components. Recently, researchers found relatively warm waters below Antarctic ice shelves, indicating that the Antarctic continental shelf seas can tip from a ‘cold’ to a ‘warm’ state. Concurrently, recent research indicates that ice sheets, especially the parts of the ice sheet that rest on a bed below sea level, are prone to an unstable and irreversible retreat. The change in these two components (cold-to-warm ocean, and stability regime of the Antarctic Ice Sheet) are linked through to the impact that ice shelves can have on the upstream ice sheet and on the ocean below. If irreversible changes occur in the Antarctic components, and so-called tipping points are crossed, the ice sheet will likely quickly retreat, causing a dramatic increase in global mean sea level.

Contact

Svein Østerhus

Senior Researcher - Bergen

svos@norceresearch.no
+47 56 10 75 63

Petra Langebroek

Research Director Earth Systems - Bergen

pela@norceresearch.no
+47 56 10 75 32

Project facts

Name

Tipping Points in Antarctic Climate Components (TiPACCs)

Status

Active

Duration

01.08.19 - 31.01.24

Total budget

4.600.000 NOK

Project website

https://www.tipaccs.eu/

Research group

Research Topics

Funding

EC/H2020

Project members

Samarbeidspartnere

Northumbria University Newcastle, Potsdam Institute for Climate Research, Alfred wegener Institute, Université Grenoble Alpes
Publications
Policy Brief: Key findings and recommendations from three H2020 Projects on Tipping Points: TiPES, COMFORT, and TiPACCs – Rusiecka, Dagmara; Martins, Helena; Boers, Niklas; Kjær, Helle Astrid; Langebroek, Petra; Dy, Catherine Lourdes; Heinze, Christoph; Blenckner, Thorsten; Ditlevsen, Peter; Østerhus, Svein. 2022, . UIB, NORCE.
Observed interannual changes beneath Filchner-Ronne Ice Shelf linked to large-scale atmospheric circulation – Hattermann, Tore; Nicholls, Keith W.; Hellmer, Hartmut H.; Davis, Peter E. D.; Janout, Markus A.; Østerhus, Svein; Schlosser, Elisabeth; Rohardt, Gerd; Kanzow, Torsten. 2021, Nature Communications. AKVAPLAN, NPI, AWI, BAS, NORCE, LUI, APRI, UB.
FRIS Revisited in 2018: On the Circulation and Water Masses at the Filchner and Ronne Ice Shelves in the Southern Weddell Sea – Janout, Markus A.; Hellmer, Hartmut H.; Hattermann, Tore; Huhn, Oliver; Sültenfuß, Jürgen; Østerhus, Svein; Stulic, Lukrecia; Ryan, Svenja; Schröder, Michael; Kanzow, Torsten. 2021, Journal of Geophysical Research (JGR): Oceans. AWI, NPI, UB, NORCE, WHOI.
See all publications in Cristin
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