ArticleProceedings of the National Academy of Sciences of the United States of America2026
Repeated major inland retreat of Thwaites and Pine Island glaciers (West Antarctica) during the Pliocene.
Article in Proceedings of the National Academy of Sciences of the United States of America, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
2 citing papers in PubMed.
- West Antarctic Ice Sheet advance since the early Pliocene.Nature communications · 2026Article
- Repeated major inland retreat of Thwaites and Pine Island glaciers (West Antarctica) during the Pliocene.Proceedings of the National Academy of Sciences of the United States of America · 2026Article
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Authors and funding
14 authors.
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Abstract
The stability of the West Antarctic Ice Sheet (WAIS), crucial for predicting future sea-level rise, is threatened by ocean-forced melting in the Pacific sector of the Southern Ocean. While some geological records and ice-sheet models suggest WAIS retreat during past warm periods, reliable data constraining the extent of retreat are lacking. Detrital Nd, Sr, and Pb isotope data of sediments recently drilled at International Ocean Discovery Program (IODP) Site U1532 on the Amundsen Sea continental rise manifest repeated alternations in sediment provenance during glacial-interglacial cycles of the Pliocene (5.33 to 2.58 Mya), a time warmer than present. The variations reflect large fluctuations in WAIS extent on the Antarctic continent. A unique high Pb/low ε
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