Bernd Wagner
Mediterranean winter rainfall in phase with African monsoons during the past 1.36 million years
Wagner, Bernd; Vogel, Hendrik; Francke, Alexander; Friedrich, Tobias; Donders, Timme; Lacey, Jack H.; Leng, Melanie J.; Regattieri, Eleonora; Sadori, Laura; Wilke, Thomas; Zanchetta, Giovanni; Albrecht, Christian; Bertini, Adele; Combourieu-Nebout, Nathalie; Cvetkoska, Aleksandra; Giaccio, Biagio; Grazhdani, Andon; Hauffe, Torsten; Holtvoeth, Jens; Joannin, Sebastien; Jovanovska, Elena; Just, Janna; Kouli, Katerina; Kousis, Ilias; Koutsodendris, Andreas; Krastel, Sebastian; Leicher, Niklas; Levkov, Zlatko; Lindhorst, Katja; Masi, Alessia; Melles, Martin; Mercuri, Anna M.; Nomade, Sebastien; Nowaczyk, Norbert; Panagiotopoulos, Konstantinos; Peyron, Odile; Reed, Jane M.; Sagnotti, Leonardo; Sinopoli, Gaia; Stelbrink, Bj�rn; Sulpizio, Roberto; Timmermann, Axel; Tofilovska, Slavica; Torri, Paola; Wagner-Cremer, Friederike; Wonik, Thomas; Zhang, Xiaosen
Authors
Hendrik Vogel
Alexander Francke
Tobias Friedrich
Timme Donders
Jack H. Lacey
PROFESSOR MELANIE LENG Melanie.Leng@nottingham.ac.uk
Professor of Isotope Geosciences
Eleonora Regattieri
Laura Sadori
Thomas Wilke
Giovanni Zanchetta
Christian Albrecht
Adele Bertini
Nathalie Combourieu-Nebout
Aleksandra Cvetkoska
Biagio Giaccio
Andon Grazhdani
Torsten Hauffe
Jens Holtvoeth
Sebastien Joannin
Elena Jovanovska
Janna Just
Katerina Kouli
Ilias Kousis
Andreas Koutsodendris
Sebastian Krastel
Niklas Leicher
Zlatko Levkov
Katja Lindhorst
Alessia Masi
Martin Melles
Anna M. Mercuri
Sebastien Nomade
Norbert Nowaczyk
Konstantinos Panagiotopoulos
Odile Peyron
Jane M. Reed
Leonardo Sagnotti
Gaia Sinopoli
Bj�rn Stelbrink
Roberto Sulpizio
Axel Timmermann
Slavica Tofilovska
Paola Torri
Friederike Wagner-Cremer
Thomas Wonik
Xiaosen Zhang
Abstract
Mediterranean climates are characterized by strong seasonal contrasts between dry summers and wet winters. Changes in winter rainfall are critical for regional socioeconomic development, but are difficult to simulate accurately1 and reconstruct on Quaternary timescales. This is partly because regional hydroclimate records that cover multiple glacial–interglacial cycles2,3 with different orbital geometries, global ice volume and atmospheric greenhouse gas concentrations are scarce. Moreover, the underlying mechanisms of change and their persistence remain unexplored. Here we show that, over the past 1.36 million years, wet winters in the northcentral Mediterranean tend to occur with high contrasts in local, seasonal insolation and a vigorous African summer monsoon. Our proxy time series from Lake Ohrid on the Balkan Peninsula, together with a 784,000-year transient climate model hindcast, suggest that increased sea surface temperatures amplify local cyclone development and refuel North Atlantic low-pressure systems that enter the Mediterranean during phases of low continental ice volume and high concentrations of atmospheric greenhouse gases. A comparison with modern reanalysis data shows that current drivers of the amount of rainfall in the Mediterranean share some similarities to those that drive the reconstructed increases in precipitation. Our data cover multiple insolation maxima and are therefore an important benchmark for testing climate model performance.
Citation
Wagner, B., Vogel, H., Francke, A., Friedrich, T., Donders, T., Lacey, J. H., …Zhang, X. (2019). Mediterranean winter rainfall in phase with African monsoons during the past 1.36 million years. Nature, 573, 256-260. https://doi.org/10.1038/s41586-019-1529-0
Journal Article Type | Article |
---|---|
Acceptance Date | Jun 28, 2019 |
Online Publication Date | Sep 2, 2019 |
Publication Date | Sep 2, 2019 |
Deposit Date | Sep 10, 2019 |
Publicly Available Date | Mar 3, 2020 |
Journal | Nature |
Print ISSN | 0028-0836 |
Electronic ISSN | 1476-4687 |
Publisher | Nature Publishing Group |
Peer Reviewed | Peer Reviewed |
Volume | 573 |
Pages | 256-260 |
DOI | https://doi.org/10.1038/s41586-019-1529-0 |
Keywords | Multidisciplinary |
Public URL | https://nottingham-repository.worktribe.com/output/2598514 |
Publisher URL | https://www.nature.com/articles/s41586-019-1529-0 |
Contract Date | Sep 10, 2019 |
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