The Antarctic ice core chronology (AICC2012) ...

Abstract of Bazin et al. (2013): An accurate and coherent chronological framework is essential for the interpretation of climatic and environmental records obtained from deep polar ice cores. Until now, one common ice core age scale had been developed based on an inverse dating method (Datice), comb...

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Bibliographic Details
Main Authors: Bazin, Lucie, Landais, Amaëlle, Lemieux-Dudon, Bénédicte, Toyé Mahamadou Kele, H, Veres, Daniel, Parrenin, Frédéric, Martinerie, Patricia, Ritz, Catherine, Capron, Emilie, Lipenkov, Vladimir Ya, Loutre, Marie-France, Raynaud, Dominique, Vinther, Bo Møllesøe, Svensson, Anders M, Rasmussen, Sune Olander, Severi, Mirko, Blunier, Thomas, Leuenberger, Markus Christian, Fischer, Hubertus, Masson-Delmotte, Valerie, Chappellaz, Jérôme A, Wolff, Eric William
Format: Article in Journal/Newspaper
Language:English
Published: PANGAEA 2013
Subjects:
European Project for Ice Coring in Antarctica EPICA
Greenland Ice Core Projects GRIP/GISP/NGRIP
Antarc*
Antarctic
Antarctica
EPICA
GISP
Greenland
Greenland ice core
GRIP
ice core
NGRIP
Online Access:https://dx.doi.org/10.1594/pangaea.824894
https://doi.pangaea.de/10.1594/PANGAEA.824894
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Summary:Abstract of Bazin et al. (2013): An accurate and coherent chronological framework is essential for the interpretation of climatic and environmental records obtained from deep polar ice cores. Until now, one common ice core age scale had been developed based on an inverse dating method (Datice), combining glaciological modelling with absolute and stratigraphic markers between 4 ice cores covering the last 50 ka (thousands of years before present) (Lemieux-Dudon et al., 2010). In this paper, together with the companion paper of Veres et al. (2013), we present an extension of this work back to 800 ka for the NGRIP, TALDICE, EDML, Vostok and EDC ice cores using an improved version of the Datice tool. The AICC2012 (Antarctic Ice Core Chronology 2012) chronology includes numerous new gas and ice stratigraphic links as well as improved evaluation of background and associated variance scenarios. This paper concentrates on the long timescales between 120-800 ka. In this framework, new measurements of d18Oatm over ... : The AICC2012 chronology is a common and precise chronology for Vostok, EDC, EDML, TALDICE and NGRIP ice core. The new age scale is tuned to GICC05 over the last 60 ka.This project was funded by the "Fondation de France Ars Cuttoli", the "ANR Citronnier", INRIA and LEFE funding. The research leading to these results has received funding from the European Union's Seventh Framework programme (FP7/2007-2013) under grant agreement no 243908, "Past4Future. Climate change - Learning from the past climate". ...

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