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Abrupt tropical vegetation response to rapid climate changes

Titre :	Abrupt tropical vegetation response to rapid climate changes Ajouter au panier
Auteur(s) :	K.A. Hughen T.I. Eglinton L. Xu M. Makou
Type de document :	Tiré à part
Sujets :	Changement climatique VEGETATION TROPICALE
Résumé :	Identifying leads and lags between high- and low-latitude abrupt climate shifts is needed to understand where and how such events were triggered. Vascular plant biomarkers preserved in Cariaco basin sediments reveal rapid vegetation changes in northern South America during the last deglaciation, 15,000 to 10,000 years ago. Comparing the biomarker records to climate proxies from the same sediment core provides a precise measure of the relative timing of changes in different regions. Abrupt deglacial climate shifts in tropical and high-latitude North Atlantic regions were synchronous, whereas changes in tropical vegetation consistently lagged climate shifts by several decades.
Editeur(s) :	American Association for the Advancement of Science
Date de publication :	2004/06/25
Format :	1955-1959
Note(s) :	Science
Langue(s) :	Anglais
Lien vers la notice :	https://infodoc.agroparistech.fr/index.php?lvl=notice_display&id=133258