A comparison of South Pacific Antarctic sea ice and atmospheric circulation reconstructions since 1900

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Abstract ∘  S between proxy-based and station-based 20th century pressure reconstructions, which are connected to the disagreement between the Antarctic sea ice extent reconstructions examined here. Importantly, reconstructions based on only coral records provide the best agreement between the early pressure reconstructions, suggesting that a contributing role of tropical variability is present in the station-based pressure (and therefore sea ice) reconstructions. In contrast, ice-core-only reconstructions provide a local, high-latitude constraint that creates differences between the proxy-based and station-based reconstructions near Antarctica. Our results reveal the greatest consistencies and inconsistencies in available datasets and highlight the need to better understand the relative roles of the tropics versus high latitudes in historical sea ice variability around Antarctica.

Location: Deutsche Nationalbibliothek Frankfurt am Main

Extent: Online-Ressource

Language: Englisch

Bibliographic citation: A comparison of South Pacific Antarctic sea ice and atmospheric circulation reconstructions since 1900 ; volume:20 ; number:1 ; year:2024 ; pages:53-76 ; extent:24
Climate of the past ; 20, Heft 1 (2024), 53-76 (gesamt 24)

Creator: Fogt, Ryan L.
Dalaiden, Quentin
O'Connor, Gemma K.

DOI: 10.5194/cp-20-53-2024

URN: urn:nbn:de:101:1-2024011103295872943719

Rights: Open Access; Der Zugriff auf das Objekt ist unbeschränkt möglich.

Last update: 15.08.2025, 7:23 AM CEST

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Associated

Fogt, Ryan L.
Dalaiden, Quentin
O'Connor, Gemma K.

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