globalchange  > 影响、适应和脆弱性
DOI: 10.1016/j.epsl.2017.12.036
Scopus记录号: 2-s2.0-85044598377
论文题名:
Asian monsoons and aridification response to Paleogene sea retreat and Neogene westerly shielding indicated by seasonality in Paratethys oysters
作者: Bougeois L.; Dupont-Nivet G.; de Rafélis M.; Tindall J.C.; Proust J.-N.; Reichart G.-J.; de Nooijer L.J.; Guo Z.; Ormukov C.
刊名: Earth and Planetary Science Letters
ISSN: 0012821X
出版年: 2018
卷: 485
起始页码: 99
结束页码: 110
语种: 英语
英文关键词: aridification ; bivalves ; Central Asia ; Eocene monsoon ; Paratethys sea ; seasonality
Scopus关键词: Atmospheric thermodynamics ; Moisture ; Molluscs ; Shellfish ; Shielding ; Aridification ; bivalves ; Central Asia ; Eocene monsoon ; Paratethys ; Seasonality ; Climate models ; aridification ; bivalve ; Eocene ; monsoon ; Neogene ; orographic effect ; paleoclimate ; Paratethys ; seasonality ; westerly ; Central Asia ; China ; Pamirs ; Qinghai-Xizang Plateau ; Tien Shan ; Bivalvia ; Ostreidae
英文摘要: Asian climate patterns, characterised by highly seasonal monsoons and continentality, are thought to originate in the Eocene epoch (56 to 34 million years ago – Ma) in response to global climate, Tibetan Plateau uplift and the disappearance of the giant Proto-Paratethys sea formerly extending over Eurasia. The influence of this sea on Asian climate has hitherto not been constrained by proxy records despite being recognised as a major driver by climate models. We report here strongly seasonal records preserved in annual lamina of Eocene oysters from the Proto-Paratethys with sedimentological and numerical data showing that monsoons were not dampened by the sea and that aridification was modulated by westerly moisture sourced from the sea. Hot and arid summers despite the presence of the sea suggest a strong anticyclonic zone at Central Asian latitudes and an orographic effect from the emerging Tibetan Plateau. Westerly moisture precipitating during cold and wetter winters appear to have decreased in two steps. First in response to the late Eocene (34–37 Ma) sea retreat; second by the orogeny of the Tian Shan and Pamir ranges shielding the westerlies after 25 Ma. Paleogene sea retreat and Neogene westerly shielding thus provide two successive mechanisms forcing coeval Asian desertification and biotic crises. © 2017 Elsevier B.V.
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被引频次[WOS]:71   [查看WOS记录]     [查看WOS中相关记录]
资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/110038
Appears in Collections:影响、适应和脆弱性
气候变化事实与影响

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作者单位: Ministère de l'Éducation nationale, Académie de Montpellier, France; Géosciences Rennes, UMR-CNRS 6118, Université de Rennes 1, Rennes, France; Department of Earth and Environmental Sciences, Potsdam University, Germany; Key Laboratory of Orogenic Belts and Crustal Evolution, Ministry of Education, Beijing, China; GET, Observatoire Midi Pyrénées, CNRS, IRD, Université de Toulouse, Toulouse, France; School of Earth and Environment, University of Leeds, Leeds, LS2 9JT, United Kingdom; Department of Marine Geology, Royal Netherlands Institute for Sea Research, Texel, Netherlands; Central Asian Institute for Applied Geosciences (CAIAG), T. Frunze rd. 73/2, Bishkek, 720027, Kyrgyzstan

Recommended Citation:
Bougeois L.,Dupont-Nivet G.,de Rafélis M.,et al. Asian monsoons and aridification response to Paleogene sea retreat and Neogene westerly shielding indicated by seasonality in Paratethys oysters[J]. Earth and Planetary Science Letters,2018-01-01,485
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