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Annual layer thicknesses and age-depth (oldest estimate) of Derwael Ice Rise (IC12), Dronning Maud Land, East Antarctica: Supplement to: Philippe, M et al. (2016): Ice core evidence for a 20th century increase in surface mass balance in coastal Dronning Maud Land, East Antarctica. The Cryosphere, 10(5), 2501-2516, doi:10.5194/tc-10-2501-2016

par Philippe, Morgane ;Tison, Jean-Louis ;Fjosne, Karen;Hubbard, Bryn;Kjær, Helle Astrid;Lenaerts, Jan T M;Drews, Reinhard ;Sheldon, Simon S.G.;De Bondt, Kevin;Claeys, Philippe;Pattyn, Frank
Publication Publié, 2016

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Résumé :

A 120 m-long ice core was drilled in 2012 on the Derwael Ice Rise, coastal Dronning Maud Land, East Antarctica. Water stable isotopes (d18O and dD) stratigraphy is supplemented by discontinuous major ion profiles and continuous electrical conductivity measurements. The base of the ice core is dated to AD 1759 ± 16, providing a climate proxy for the past ~250 years. This data set presents the core's annual layer thickness history in meters water equivalent for the oldest age-depth estimate before correction for the influence of ice deformation