Past Antarctic ice sheet dynamics (PAIS) and implications for future sea-level change

Colleoni, Florence; De Santis, Laura; Naish, Tim R.; DeConto, Robert M.; Escutia, Carlota; Stocchi, Paolo; Uenzelmann-Neben, Gabriele; Hochmuth, Katharina; Hillenbrand, Claus-Dieter ORCID:; van de Flierdt, Tina; Perez, Lara F. ORCID:; Leitchenkov, German; Sangiorgi, Francesca; Jamieson, Stewart; Bentley, Michael J.; Wilson, David J.; PAIS Community, inc.; Ferraccioli, Fausto ORCID:; Hindmarsh, Richard ORCID:; Hodgson, Dominic A. ORCID:; Larter, Robert D. ORCID: 2021 Past Antarctic ice sheet dynamics (PAIS) and implications for future sea-level change. In: Florindo, Fabio; Siegert, Martin; De Santis, Laura; Naish, Tim, (eds.) Antarctic Climate Evolution 2nd edition. Elsevier, 689-768.

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The legacy of the Scientific Committee on Antarctic Research’s (SCAR) PAIS strategic research programme includes not only breakthrough scientific discoveries, but it is also the story of a long-standing deep collaboration amongst different multi-disciplinary researchers from many nations, to share scientific infrastructure and data, facilities, and numerical models, in order to address high priority questions regarding the evolution and behaviour of the Antarctic ice sheets (AIS). The PAIS research philosophy is based on data-data and data-model integration and intercomparison, and the development of ‘ice-to-abyss’ data transects and paleo-environmental, extending from the ice sheet interior to the deep sea. PAIS strives to improve understanding of AIS dynamics and to reduce uncertainty in model simulations of future ice loss and global sea level change, by studying warm periods of the geological past that are relevant to future climate scenarios. The multi-disciplinary approach fostered by PAIS represents its greatest strength. Eight years after the start of this programme, PAIS achievements have been high-profile and impactful, both in terms of field campaigns that collected unique data sets and samples, and in terms of scientific advances concerning past AIS dynamics, that have measurably improved understanding of ice sheet sensitivity in response to global warming. Here we provide an overview and synthesis of the new knowledge generated by the PAIS Programme and its implications for anticipating and managing the impacts of global sea-level rise.

Item Type: Publication - Book Section
Digital Object Identifier (DOI):
ISBN: 9780128191095
Additional Keywords: Past Ice Sheet Dynamics, sea level rise, sea level changes, climate changes, policy-relevant past warm climates, extent of past glaciations, Antarctic multi-proxy synthesis, Antarctic ice sheet modeling
Date made live: 14 Dec 2021 11:13 +0 (UTC)

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