Stable isotopes in surface snow along a traverse route from Zhongshan station to Dome A, East Antarctica

被引：0
|
作者：
C. Xiao
M. Ding
V. Masson-Delmotte
R. Zhang
B. Jin
J. Ren
C. Li
M. Werner
Y. Wang
X. Cui
X. Wang
机构：
[1] Chinese Academy of Meteorological Sciences,Institute of Climate System
[2] Chinese Academy of Sciences,State Key Laboratory of Cryospheric Sciences, Cold and Arid Regions Environmental and Engineering Research Institute
[3] IPSL/Laboratoire des Sciences du Climat et de l’Environnement,undefined
[4] UMR 8212 CEA/CNRS/UVSQ,undefined
[5] Chinese Arctic and Antarctic Administration,undefined
[6] Alfred Wegener Institute for Polar and Marine Research,undefined
来源：
Climate Dynamics | 2013年 / 41卷
关键词：
Stable isotopic composition; East Antarctica; ITASE; CHINARE;
D O I：
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中图分类号：
学科分类号：
摘要：
Samples of surface snow were collected for stable isotope analysis along the traverse route from Zhongshan to Dome A (East Antarctica) from Dec 28th, 2007 to Feb. 8th, 2008. The local relationship between δD and surface temperature is established to be 6.4 ± 0.2 ‰ per °C, very similar to the average for East Antarctic. The deuterium excess shows a pattern of high values over Antarctica, particularly at Dome A. We compare our data with an atmospheric general circulation model which includes stable water isotopes (ECHAM5-wiso). The model simulation captures the right levels of δD, but overestimates δ18O. This study provides support for the ongoing deep ice core project at Dome A.
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页码：2427 / 2438
页数：11
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