A comparison of deep Antarctic ice cores and their implications for climate between 65,000 and 15,000 years ago

Auteurs :
JOUZEL, J.
RAISBECK, G.
BENOIST, J. P.

Description :
In these cores, climatic information is mostly derived from the isotopic profiles (deuterium/hydrogen and/or 18O/16O ratios) from which surface temperature and, more indirectly, precipitation rate can be estimated. The time scales have been examined in detail and a new 40,000 yr chronology for the Dome C core adopted. Special emphasis is placed on the link between the concentration of 10Be and past accumulation changes and on the use of peaks in the concentration of this cosmogenic isotope as stratigraphic markers.


Type de document :
Article de périodique

Source :
Quaternary research, issn : 0033-5894, 1989, vol. 31, n°. 2, p. 135-150, Références bibliographiques : 60 réf.

Date :
1989

Editeur :
Pays édition : Etats-Unis, San Diego, CA, Elsevier