δ18O record and temperature change over the past 100 years in ice cores on the Tibetan Plateau

被引:0
作者
Tandong Yao
Xuejun Guo
Lonnie Thompson
Keqin Duan
Ninglian Wang
Jianchen Pu
Baiqing Xu
Xiaoxin Yang
Weizhen Sun
机构
[1] Institute of Tibetan Plateau Research,Laboratory of Environment and Process on Tibetan Plateau
[2] Chinese Academy of Sciences,Key Laboratory of Cryosphere and Environment
[3] Chinese Academy of Sciences and China Meteorological Administration,Byrd Polar Research Center
[4] the Ohio State University,undefined
来源
Science in China Series D | 2006年 / 49卷
关键词
Tibetan Plateau; ice core; temperature;
D O I
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中图分类号
学科分类号
摘要
The 213 m ice core from the Puruogangri Ice Field on the Tibetan Plateau facilitates the study of the regional temperature changes with its δ18O record of the past 100 years. Here we combine information from this core with that from the Dasuopu ice core (from the southern Tibetan Plateau), the Guliya ice core (from the northwestern Plateau) and the Dunde ice core (from the north-eastern Plateau) to learn about the regional differences in temperature change across the Tibetan Plateau. The δ18O changes vary with region on the Plateau, the variations being especially large between South and North and between East and West. Moreover, these four ice cores present increasing δ18O trends, indicating warming on the Tibetan Plateau over the past 100 years. A comparative study of Northern Hemisphere (NH) temperature changes, the δ18O-reflected temperature changes on the Plateau, and available meteorological records show consistent trends in overall warming during the past 100 years.
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页码:1 / 9
页数:8
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