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学科主题: 地球科学::地质学
题名: Late Cenozoic genus Fupingopollenites development and its implications for the Asian summer monsoon evolution
作者: Miao, YF (Miao, Yunfa)1; Song, CH (Song, Chunhui)2, 3; Fang, XM (Fang, Xiaomin)4; Meng, QQ (Meng, Qingquan)2, 3; Zhang, P (Zhang, Ping)5; Wu, FL (Wu, Fuli)4; Yan, XL (Yan, Xiaoli)2, 3
通讯作者: Song, CH
关键词: NE TIBETAN PLATEAU ; MIOCENE-SHANWANG FLORA ; CHINESE LOESS PLATEAU ; WESTERN QAIDAM BASIN ; LATE PLIOCENE ; SOUTHWESTERN CHINA ; POLLEN RECORD ; QUANTITATIVE RECONSTRUCTION ; PALYNOLOGICAL EVIDENCE ; CLIMATIC IMPLICATIONS
刊名: GONDWANA RESEARCH
发表日期: 2016
DOI: 10.1016/j.gr.2014.12.007
卷: 29, 期:1, 页:320-333
收录类别: SCI
合作性质: 国内
文章类型: Article
部门归属: 碰撞与隆升
英文摘要: An extinct palynomorph, Fupingopollenites, was used as the basis for a discussion of the late Cenozoic Asian summer monsoon (ASM) evolution and its possible driving forces. Based on the spatial and temporal variations in its percentages across Inner and East Asia, we found that Fupingopollenites mainly occurred in East Asia, with boundaries to the NE of ca. 42 degrees N, 135 degrees E and NW of ca. 36 degrees N, 103 degrees E during the Early Miocene (ca. 23-17 Ma). This region enlarged westwards, reaching the eastern Qaidam Basin (ca. 36 degrees N, 97.5 degrees E) during the Middle Miocene (ca. 17-11 Ma), before noticeably retreating to a region bounded to the NW at ca. 33 degrees N, 105 degrees E during ca. 11-5.3 Ma. The region then shrank further in the Pliocene, with the NE boundary shrinking southwards to about 35 degrees N, 120 degrees E; the area then almost disappeared during the Pleistocene (2.6-0 Ma). The flourishing and subsequent extinction of Fupingopollenites is indicative of a narrow ecological amplitude with a critical dependence on habitat humidity and temperature (most likely mean annual precipitation (MAP) >1000 mm and mean annual temperature (MAT) >10 degrees C). Therefore, the Fupingopollenites geographic distribution can indicate the humid ASM evolution during the late Cenozoic, revealing that the strongest ASM period occurred during the Middle Miocene Climate Optimum (MMCO, similar to 17-14 Ma), after which the ASM weakened coincident with global cooling. We argue that the global cooling played a critical role in the ASM evolution, while the Tibetan Plateau uplifts made a relatively small contribution. (C) 2015 International Association for Gondwana Research. Published by Elsevier B.V. All rights reserved.
语种: 英语
WOS记录号: WOS:000367485100018
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.itpcas.ac.cn/handle/131C11/7886
Appears in Collections:图书馆_期刊论文

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作者单位: 1.Chinese Acad Sci, Cold & Arid Reg Environm & Engn Inst, Key Lab Desert & Desertificat, Lanzhou 730000, Peoples R China
2.Lanzhou Univ, Sch Earth Sci, Lanzhou 730000, Peoples R China
3.Lanzhou Univ, Key Lab Western Chinas Mineral Resources Gansu Pr, Lanzhou 730000, Peoples R China
4.Chinese Acad Sci, Inst Tibetan Plateau Res, Key Lab Continental Collis & Plateau Uplift, Beijing 100101, Peoples R China
5.Geol Survey Jiangsu Prov, Key Lab Earth Fissures Geol Disaster, Minist Land & Resources, Nanjing 210018, Jiangsu, Peoples R China

Recommended Citation:
Miao, YF ,Song, CH ,Fang, XM ,et al. Late Cenozoic genus Fupingopollenites development and its implications for the Asian summer monsoon evolution[J]. GONDWANA RESEARCH,2016,29(1):320-333.
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