Amplified seasonality in western Europe in a warmer world.
In: Science advances, Jg. 10 (2024-05-17), Heft 20, S. eadl6717
Online
academicJournal
Zugriff:
Documenting the seasonal temperature cycle constitutes an essential step toward mitigating risks associated with extreme weather events in a future warmer world. The mid-Piacenzian Warm Period (mPWP), 3.3 to 3.0 million years ago, featured global temperatures approximately 3°C above preindustrial levels. It represents an ideal period for directed paleoclimate reconstructions equivalent to model projections for 2100 under moderate Shared Socioeconomic Pathway SSP2-4.5. Here, seasonal clumped isotope analyses of fossil mollusk shells from the North Sea are presented to test Pliocene Model Intercomparison Project 2 outcomes. Joint data and model evidence reveals enhanced summer warming (+4.3° ± 1.0°C) compared to winter (+2.5° ± 1.5°C) during the mPWP, equivalent to SSP2-4.5 outcomes for future climate. We show that Arctic amplification of global warming weakens mid-latitude summer circulation while intensifying seasonal contrast in temperature and precipitation, leading to an increased risk of summer heat waves and other extreme weather events in Europe's future.
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Amplified seasonality in western Europe in a warmer world.
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Autor/in / Beteiligte Person: | de Winter NJ ; Tindall, J ; Johnson, ALA ; Goudsmit-Harzevoort, B ; Wichern, N ; Kaskes, P ; Claeys, P ; Huygen, F ; van Leeuwen S ; Metcalfe, B ; Bakker, P ; Goolaerts, S ; Wesselingh, F ; Ziegler, M |
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Zeitschrift: | Science advances, Jg. 10 (2024-05-17), Heft 20, S. eadl6717 |
Veröffentlichung: | Washington, DC : American Association for the Advancement of Science, [2015]-, 2024 |
Medientyp: | academicJournal |
ISSN: | 2375-2548 (electronic) |
DOI: | 10.1126/sciadv.adl6717 |
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