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学科主题: 地理学::自然地理学
题名: delta O-18 records in water vapor and an ice core from the eastern Pamir Plateau: Implications for paleoclimate reconstructions
作者: Yu, WS (Yu, Wusheng)1, 2; Tian, LD (Tian, Lide)1, 2; Risi, C (Risi, Camille)3; Yao, TD (Yao, Tandong)1, 2; Ma, YM (Ma, Yaoming)1, 2; Zhao, HB (Zhao, Huabiao)1, 2; Zhu, HF (Zhu, Haifeng)1, 2; He, Y (He, You)1; Xu, BQ (Xu, Baiqing)1, 2; Zhang, HB (Zhang, Hongbo)1; Qu, DM (Qu, Dongmei)1
通讯作者: Yu, WS
关键词: TIBETAN PLATEAU ; STABLE-ISOTOPES ; DEUTERIUM EXCESS ; CLIMATIC CONTROLS ; MOISTURE ORIGIN ; BOUNDARY-LAYER ; PRECIPITATION ; O-18 ; MONSOON ; TEMPERATURE
刊名: EARTH AND PLANETARY SCIENCE LETTERS
发表日期: 2016
DOI: 10.1016/j.epsl.2016.10.001
卷: 456, 期:0, 页:146-156
收录类别: SCI
合作性质: 国际
文章类型: Article
英文摘要: This study is the first to examine delta O-18 in daily water vapor at Taxkorgan on the eastern Pamir Plateau. The results show that changes in observed and simulated delta O-18 values in water vapor/precipitation at the event scale (using a LMDZ-iso model) were mainly affected by temperature. The influences of humidity, precipitation amount, and different moisture sources, such as the westerlies, local evaporated moisture, and polar air masses, on delta O-18 values are comparatively weak. The combination of the delta O-18 record from the Murtagata ice core, 58 km away from the study area, and the LMDZ-iso simulated annual delta O-18 pattern in precipitation at Taxkorgan also demonstrated that temperature, and particularly the temperature of the regions over which the southern branch of the westerlies flows, is the most important factor controlling delta O-18 variations. The results from this study area, which is dominated by the westerlies throughout the year, are markedly different from those derived from parts of the Tibetan Plateau that are dominated by the combined influences of the westerlies in winter and the Indian monsoon in summer. The results suggested that the eastern Pamir Plateau is an ideal location to reconstruct past temperature variations and that the delta O-18 records preserved in ice cores from the region are a suitable and robust proxy for temperature. (C) 2016 Elsevier B.V. All rights reserved.
语种: 英语
WOS记录号: WOS:000387526500014
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.itpcas.ac.cn/handle/131C11/7473
Appears in Collections:图书馆_期刊论文

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作者单位: 1.Chinese Acad Sci, Inst Tibetan Plateau Res, Key Lab Tibetan Environm Changes & Land Surface P, Beijing, Peoples R China
2.Chinese Acad Sci, CAS Ctr Excellence Tibetan Plateau Earth Sci, Beijing, Peoples R China
3.CNRS, Inst Pierre Simon LaPlace, Lab Meteorol Dynam, F-75252 Paris, France

Recommended Citation:
Yu, WS ,Tian, LD ,Risi, C ,et al. delta O-18 records in water vapor and an ice core from the eastern Pamir Plateau: Implications for paleoclimate reconstructions[J]. EARTH AND PLANETARY SCIENCE LETTERS,2016,456(0):146-156.
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