delta O-18 record and temperature change over the past 100 years in ice cores on the Tibetan Plateau
| 作者: |
Yao, T.D., et al. |
| 期刊名称: |
Science in China Series D-Earth Sciences |
| 发表年度: |
2006 |
| 卷: |
49 |
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1 |
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| 页码: |
1-9 |
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| 全文链接: |
http://dx.doi.org/10.1007/s11430-004-5096-2 |
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| 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 delta(18)O 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 northeastern Plateau) to learn about the regional differences in temperature change across the Tibetan Plateau. The delta(18)O 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 delta(18)O trends, indicating warming on the Tibetan Plateau over the past 100 years. A comparative study of Northern Hemisphere (NH) temperature changes, the delta(18)O-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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