Knowledge Resource Center for Ecological Environment in Arid Area
DOI | 10.1186/s40645-022-00470-x |
From desert to monsoon: irreversible climatic transition at similar to 36 Ma in southeastern Tibetan Plateau | |
Zheng, Hongbo; Yang, Qing; Cao, Shuo; Clift, Peter D.; He, Mengying; Kano, Akihiro; Sakuma, Aki; Xu, Huan; Tada, Ryuji; Jourdan, Fred | |
通讯作者 | Zheng, HB (corresponding author),Yunnan Univ, Yunnan Key Lab Earth Syst Sci, Kunming 650500, Yunnan, Peoples R China. ; Zheng, HB (corresponding author),Univ Queensland, Sch Earth & Environm Sci, Brisbane, Qld 4072, Australia. |
来源期刊 | PROGRESS IN EARTH AND PLANETARY SCIENCE
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ISSN | 2197-4284 |
出版年 | 2022 |
卷号 | 9期号:1 |
英文摘要 | Although there is increasing evidence for wet, monsoonal conditions in Southeast Asia during the late Eocene, it has not been clear when this environment became established. Cenozoic sedimentary sequences constrained by radiometrically dated igneous rocks from the Jianchuan Basin in the southeast flank of Tibetan Plateau now provide a section whose facies and climatic proxies determine this evolution. Semi-arid conditions had dominated the region since Paleocene controlled by the northern sub-tropical high pressure system, culminating in mid Eocene when desert dunes developed. From 36 Ma, the basin began to accumulate swamp sediments with coals, together with synchronous braided river deposits and diversified pollen assemblages, indicating significant increase in precipitation. This remarkable transition from dry to wet conditions precedes the Eocene/Oligocene boundary at 34 Ma, thus excluding general global cooling as the prime driver. We propose that uplift of Tibetan Plateau might have reached a threshold elevation by that time, operating through thermal and dynamic forcing, causing the inception or significant intensification of monsoonal rains to penetrate into this downwind locality. |
英文关键词 | Desert Late Eocene Onset of Asian monsoon Tibetan Plateau |
类型 | Article |
语种 | 英语 |
开放获取类型 | gold |
收录类别 | SCI-E |
WOS记录号 | WOS:000756825300001 |
WOS关键词 | SOUTH ASIAN MONSOON ; ZIRCON U-PB ; INDIAN MONSOON ; HISTORY ; BASIN ; EVOLUTION ; MODEL ; ONSET ; STRATIGRAPHY ; CONSTRAINTS |
WOS类目 | Geosciences, Multidisciplinary |
WOS研究方向 | Geology |
资源类型 | 期刊论文 |
条目标识符 | http://119.78.100.177/qdio/handle/2XILL650/376292 |
作者单位 | [Zheng, Hongbo; Yang, Qing; Clift, Peter D.; Xu, Huan; Tada, Ryuji] Yunnan Univ, Yunnan Key Lab Earth Syst Sci, Kunming 650500, Yunnan, Peoples R China; [Zheng, Hongbo] Univ Queensland, Sch Earth & Environm Sci, Brisbane, Qld 4072, Australia; [Cao, Shuo] China Univ Geosci, Sch Earth Sci, Beijing 100083, Peoples R China; [Clift, Peter D.] Louisiana State Univ, Dept Geol & Geophys, Baton Rouge, LA 70803 USA; [He, Mengying] Nanjing Normal Univ, Sch Geog Sci, Nanjing 210023, Peoples R China; [Kano, Akihiro; Sakuma, Aki] Univ Tokyo, Dept Earth & Planetary Sci, Tokyo 1130033, Japan; [Tada, Ryuji] Chiba Inst Technol, Inst Geocosmol, 2-17-1 Tsudanuma, Narashino, Chiba 2750016, Japan; [Jourdan, Fred] Curtin Univ, Dept Appl Geol, Western Australian Argon Isotope Facil, Perth, WA 6845, Australia; [Jourdan, Fred] Curtin Univ, JdL Ctr, Perth, WA 6845, Australia |
推荐引用方式 GB/T 7714 | Zheng, Hongbo,Yang, Qing,Cao, Shuo,et al. From desert to monsoon: irreversible climatic transition at similar to 36 Ma in southeastern Tibetan Plateau[J],2022,9(1). |
APA | Zheng, Hongbo.,Yang, Qing.,Cao, Shuo.,Clift, Peter D..,He, Mengying.,...&Jourdan, Fred.(2022).From desert to monsoon: irreversible climatic transition at similar to 36 Ma in southeastern Tibetan Plateau.PROGRESS IN EARTH AND PLANETARY SCIENCE,9(1). |
MLA | Zheng, Hongbo,et al."From desert to monsoon: irreversible climatic transition at similar to 36 Ma in southeastern Tibetan Plateau".PROGRESS IN EARTH AND PLANETARY SCIENCE 9.1(2022). |
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