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Recent human-induced atmospheric drying across Europe unprecedented in the last 400 years
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2024 (Engelska)Ingår i: Nature Geoscience, ISSN 1752-0894, E-ISSN 1752-0908, Vol. 17, nr 1, s. 58-65Artikel i tidskrift (Refereegranskat) Published
Abstract [en]

The vapor pressure deficit reflects the difference between how much moisture the atmosphere could and actually does hold, a factor that fundamentally affects evapotranspiration, ecosystem functioning, and vegetation carbon uptake. Its spatial variability and long-term trends under natural versus human-influenced climate are poorly known despite being essential for predicting future effects on natural ecosystems and human societies such as crop yield, wildfires, and health. Here we combine regionally distinct reconstructions of pre-industrial summer vapor pressure deficit variability from Europe’s largest oxygen-isotope network of tree-ring cellulose with observational records and Earth system model simulations with and without human forcing included. We demonstrate that an intensification of atmospheric drying during the recent decades across different European target regions is unprecedented in a pre-industrial context and that it is attributed to human influence with more than 98% probability. The magnitude of this trend is largest in Western and Central Europe, the Alps and Pyrenees region, and the smallest in southern Fennoscandia. In view of the extreme drought and compound events of the recent years, further atmospheric drying poses an enhanced risk to vegetation, specifically in the densely populated areas of the European temperate lowlands.

Ort, förlag, år, upplaga, sidor
2024. Vol. 17, nr 1, s. 58-65
Nationell ämneskategori
Klimatforskning
Identifikatorer
URN: urn:nbn:se:polar:diva-9070DOI: 10.1038/s41561-023-01335-8OAI: oai:DiVA.org:polar-9070DiVA, id: diva2:1832065
Tillgänglig från: 2024-01-28 Skapad: 2024-01-28 Senast uppdaterad: 2024-01-28Bibliografiskt granskad

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