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学科主题: 地理学::自然地理学
题名: Rapid northward shift of the Indian Monsoon on the Tibetan Plateau at the end of the Little Ice Age
作者: Zhang, XL (Zhang, Xiaolong)1, 2; Xu, BQ (Xu, Baiqing)1, 3; Gunther, F (Guenther, Franziska)4, 5; Witt, R (Witt, Roman)4, 6; Wang, M (Wang, Mo)1; Xie, Y (Xie, Ying)1; Zhao, HB (Zhao, Huabiao)1, 3; Li, JL (Li, Jiule)1; Gleixner, G (Gleixner, Gerd)4
通讯作者: Zhang, XL ; Gleixner, G
关键词: DELTA-D VALUES ; WATER-STABLE ISOTOPES ; HIGH-RESOLUTION PROXY ; SOUTH ASIAN MONSOON ; SUMMER MONSOON ; N-ALKANES ; LAKE-SEDIMENTS ; NAM-CO ; ENVIRONMENTAL-CHANGES ; ORGANIC GEOCHEMISTRY
刊名: JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES
发表日期: 2017
DOI: 10.1002/2017JD026849
卷: 122, 期:17, 页:9262-9279
收录类别: SCI
合作性质: 国际
文章类型: Article
类目[WOS]: Meteorology & Atmospheric Sciences
研究领域[WOS]: Meteorology & Atmospheric Sciences
英文摘要: Variations in the Indian Monsoon (IM) and Westerlies (WS) significantly affect the climate on the Tibetan Plateau (TP) and have widespread ecological and socioeconomic impacts on the whole of Asian society. So far, however, the rate and magnitude of changes in the IM have still remained unclear. Here we report for the first time that the IM rapidly shifted northward at the end of the Little Ice Age (LIA). We used sediment proxies for humidity and moisture sources from the Taro Co Lake, which is located in the transition zone between the WS and IM. Our comprehensive survey of climate records for the TP and its peripheral mountain ranges revealed that the northern boundary of the IM (i.e., the southern boundary of the WS) lay along the southern slope of the Gandise Range (similar to 29.5 degrees N) in the late LIA. In contrast, it passed quickly over the Gandise Range by at least 1.5 degrees in latitude at the end of the LIA. Our results suggest that this rapid climatic shift was potentially triggered by the counteracting effects of blocking by the TP and its marginal orography, which hindered the northward movement of the IM, and the pulling thermal gradient of the TP.
语种: 英语
WOS记录号: WOS:000416387300019
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.itpcas.ac.cn/handle/131C11/7991
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.Univ Chinese Acad Sci, Beijing, Peoples R China.
3.Chinese Acad Sci, CAS Ctr Excellence Tibetan Plateau Earth Sci, Beijing, Peoples R China.
4.Max Planck Inst Biogeochem, Jena, Germany.
5.Leibniz Ctr Trop Marine Res, Bremen, Germany.
6.Univ Melbourne, Sch Geog, Carlton, Vic, Australia.

Recommended Citation:
Zhang, XL ,Xu, BQ ,Gunther, F ,et al. Rapid northward shift of the Indian Monsoon on the Tibetan Plateau at the end of the Little Ice Age[J]. JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES,2017,122(17):9262-9279.
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