File:Vostok-ice-core-petit.png

and dust concentration (Red graph) measured from the Vostok, Antarctica ice core as reported by Petit et al., 1999. Higher dust levels are believed to be

choice. This image is a derivative work of the following images: Vostok-ice-core-petit.png licensed with Cc-by-sa-3.0-migrated, GFDL 2006-02-15T20:38:10Z

gov/usgcrp/images/Vostok.jpg J. R. Petit, et al., “Climate and atmospheric history of the past 420,000 years from the Vostok ice core, Antarctica”, Nature

glaciațiunilor, măsurate la stația Vostok. Sursa File:Vostok-ice-core-petit.png (tradus) Data 1 mar 2008 Autor Original: Petit et al. Edit: Turbojet Permisiune

choice. This image is a derivative work of the following images: File:Vostok_Petit_data.svg licensed with Cc-by-sa-3.0-migrated, GFDL 2011-09-25T17:39:49Z