ArticleProceedings of the National Academy of Sciences of the United States of America2022
Spatial patterns of climate change across the Paleocene-Eocene Thermal Maximum.
Article in Proceedings of the National Academy of Sciences of the United States of America, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 17 papers.
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17 citing papers in PubMed.
- Coupled increases in pelagic fish productivity and export productivity during the Paleocene-Eocene Thermal Maximum.Nature communications · 2026Article
- Recognition of two potential warming events in the Paleocene terrestrial record of North America and associated mammalian responses.PNAS nexus · 2026Article
- Population Ecology of Glacier Bacteria from the View of Gene Flow inMicroorganisms · 2026Article
- Article
- Quasi-invariance of tropical meridional surface temperature gradient in a wide range of climates.Nature communications · 2025Article
- Loss of vegetation functions during the Paleocene-Eocene Thermal Maximum.Nature communications · 2025Article
- Changes in continental weathering regimes inhibited global marine deoxygenation during the Paleocene-Eocene thermal maximum.Nature communications · 2025Article
- Millennial-timescale thermogenic CONature communications · 2025Article
- High latitude terrestrial carbon isotope and mercury perturbations across the Late Triassic Carnian Pluvial Episode in Northwestern China.Scientific reports · 2025Article
- Eocene and modern entomofauna differ-a Cretaceous-like larva in Rovno amber.Insect science · 2025Article
- Enhanced phosphorus weathering contributed to Late Miocene cooling.Nature communications · 2025Article
- Expanded subsurface ocean anoxia in the Atlantic during the Paleocene-Eocene Thermal Maximum.Nature communications · 2024Article
- Long- and short-term coupling of sea surface temperature and atmospheric COProceedings of the National Academy of Sciences of the United States of America · 2024Article
- Dry hydroclimates in the late Palaeocene-early Eocene hothouse world.Nature communications · 2024Article
- Lithium isotopic evidence for enhanced reverse weathering during the Early Triassic warm period.Proceedings of the National Academy of Sciences of the United States of America · 2024Article
- The terrestrial end-Permian mass extinction in the paleotropics postdates the marine extinction.Science advances · 2024Article
- First application of data assimilation-based control to fusion plasma.Scientific reports · 2024Article
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9 authors.
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Abstract
The Paleocene-Eocene Thermal Maximum (PETM; 56 Ma) is one of our best geological analogs for understanding climate dynamics in a "greenhouse" world. However, proxy data representing the event are only available from select marine and terrestrial sedimentary sequences that are unevenly distributed across Earth's surface, limiting our view of the spatial patterns of climate change. Here, we use paleoclimate data assimilation (DA) to combine climate model and proxy information and create a spatially complete reconstruction of the PETM and the climate state that precedes it ("PETM-DA"). Our data-constrained results support strong polar amplification, which in the absence of an extensive cryosphere, is related to temperature feedbacks and loss of seasonal snow on land. The response of the hydrological cycle to PETM warming consists of a narrowing of the Intertropical Convergence Zone, off-equatorial drying, and an intensification of seasonal monsoons and winter storm tracks. Many of these features are also seen in simulations of future climate change under increasing anthropogenic emissions. Since the PETM-DA yields a spatially complete estimate of surface air temperature, it yields a rigorous estimate of global mean temperature change (5.6
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