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Authors: Budsky, Alexander
Wassenburg, Jasper A.
Mertz-Kraus, Regina
Spötl, Christoph
Jochum, Klaus Peter
Gibert, Luis
Scholz, Denis
Title: Western Mediterranean climate response to Dansgaard/Oeschger events : new insights from speleothem records
Online publication date: 2-Jun-2022
Language: english
Abstract: The climate of the western Mediterranean was characterized by a strong precipitation gradient during the Holocene driven by atmospheric circulation patterns. The scarcity of terrestrial paleoclimate archives has precluded exploring this hydroclimate pattern during Marine Isotope Stages 5 to 3. Here we present stable carbon and oxygen isotope records from three flowstones from southeast Iberia, which show that Dansgaard/Oeschger events were associated with more humid conditions. This is in agreement with other records from the Iberian Peninsula, the Mediterranean, and western Europe, which all responded in a similar way to millennial-scale climate variability in Greenland. This general increase in precipitation during Dansgaard/Oeschger events cannot be explained by any present-day or Holocene winter atmospheric circulation pattern. Instead, we suggest that changes in sea surface temperature played a dominant role in determining precipitation amounts in the western Mediterranean.
DDC: 550 Geowissenschaften
550 Earth sciences
Institution: Johannes Gutenberg-Universität Mainz
Department: FB 09 Chemie, Pharmazie u. Geowissensch.
Place: Mainz
Version: Published version
Publication type: Zeitschriftenaufsatz
License: CC BY
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Journal: Geophysical research letters
Pages or article number: 9042
Publisher: Wiley
Publisher place: Hoboken, NJ
Issue date: 2019
ISSN: 1944-8007
Publisher DOI: 10.1029/2019GL084009
Appears in collections:JGU-Publikationen

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