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Title: Western Mediterranean Climate Response to Dansgaard/Oeschger Events: New Insights From Speleothem Records
Author: Budsky, Alexander
Wassenburg, Jasper A.
Mertz-Kraus, Regina
Spoetl, Christoph
Jochum, Klaus Peter
Gibert Beotas, Lluís
Scholz, Denis
Keywords: Clima mediterrani
Precipitacions (Meteorologia)
Mediterranean climate
Precipitations (Meteorology)
Issue Date: 29-Jul-2019
Publisher: American Geophysical Union (AGU)
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.
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It is part of: Geophysical Research Letters, 2019, vol. 46, num. 15, p. 9042-9053
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ISSN: 0094-8276
Appears in Collections:Articles publicats en revistes (Mineralogia, Petrologia i Geologia Aplicada)

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