Climate of the Past
www.clim-past.net
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3
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2007
10.5194/cp-3-325-2007
http://www.clim-past.net/3/325/2007/
http://www.clim-past.net/3/325/2007/cp-3-325-2007.html
http://www.clim-past.net/3/325/2007/cp-3-325-2007.pdf
325
330
2007-06-18
Synchronization of ice core records via atmospheric gases
T. Blunier
blunier@climate.unibe.ch
R. Spahni
J.-M. Barnola
J. Chappellaz
L. Loulergue
J. Schwander
Climate and Environmental Physics, Physics Institute, University of Bern, Sidlerstrasse 5, 3012 Bern, Switzerland
Laboratoire de Glaciologie et Géophysique de l'Environnement (LGGE), CNRS-UJF, 54 rue Molière, BP96 38402 Saint Martin d'Heres Cedex, France
To interpret new high resolution climate records it becomes more and more
important to know about the succession of climate events. Such knowledge is
hard to get especially when dealing with different types of climate
archives. Even for ice cores a direct synchronization between ice cores from
Greenland and Antarctica has not been possible so far due to the lack of
time markers occurring in both hemispheres. Fortunately, variations in the
time series of global gas records can be used as indirect time markers. Here
we discuss in detail the steps that are necessary to synchronize ice cores
via global gas records exemplified on the synchronization of the EPICA ice
core from Dronning Maud Land to a Greenland record from North GRIP.
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