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Abrupt temperature changes in the Western Mediterranean over the past 250,000 years

AutorMartrat, Belen; Grimalt, Joan O.; López-Martínez, Constancia ; Cacho, Isabel; Sierro, Francisco Javier; Flores, José Abel; Zahn, Rainer; Canals, Miquel; Curtis, Jason H.; Hodell, David A.
Palabras claveSea surface temperature
Marine isotope stages
Climate change
Climate cycles
Abrupt temperature changes
Fecha de publicación3-dic-2004
EditorAmerican Association for the Advancement of Science
CitaciónScience 306(5702): 1762-1765 (2004)
ResumenA continuous high-resolution Western Mediterranean sea surface temperature (SST) alkenone record spanning the past 250,000 years shows that abrupt changes were more common at warming than at cooling. During marine isotope stage (MIS) 6, SST oscillated following a stadial-interstadial pattern but at lower intensities and rates of change than in the Dansgaard/Oeschger events of MIS 3. Some of the most prominent events occurred over MISs 5 and 7, after prolonged warm periods of high stability. Climate during the whole period was predominantly maintained in interglacial-interstadial conditions, whereas the duration of stadials was much shorter.
Descripción5 pages, 2 figures.-- PMID: 15576615 [PubMed].-- Supporting information available at: www.sciencemag.org/cgi/content/full/306/5702/1762/DC1
Versión del editorhttp://dx.doi.org/10.1126/science.1101706
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