The late Miocene and Pliocene climate in East Asia as recorded by grain size and magnetic susceptibility of the Red Clay deposits (Chinese Loess Plateau)
Vandenberghe, J; Lu, HY; Sun, DH; van Huissteden, J; Konert, M
刊名PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY
2004-02-25
卷号204期号:3-4页码:239-255
关键词Red Clay grain size magnetic susceptibility palaeoclimate wind system late Miocene Pliocene
DOI10.1016/S0031-0182(03)00729-6
文献子类Article
英文摘要Grain-size characteristics of the aeolian Red Clay sediment series in China demonstrate the existence of warm-cool alternations during the late Miocene and Pliocene. From the dissimilarity between the temporal patterns of grain size and magnetic susceptibility it is inferred that the finest grain-size fraction in the Red Clay (clay and very fine silt) is transported by the wind, as is the case of the coarser (silty) component. Relatively cool climatic conditions are indicated by increased loess supply (represented by the silty component) from the NW, caused by a stronger winter monsoon, as in the overlying Quaternary system. It is striking that at the same time the amounts of clay also increased, probably due to transportation by intensified westerly circulation. Relatively warm periods are characterized by opposite grain-size properties. These warm-cool alternations on the Asian continent, dated by palaeomagnetic analyses, correlate well with already established changes in sea level and ice sheet volumes up to similar to6 Ma. In addition, time series analysis of the grain-size signal points to an orbitally forced climatic cyclicity (precession, eccentricity and (weak) obliquity). (C) 2003 Elsevier B.V. All rights reserved.
学科主题Physical Geography ; Geology ; Paleontology
WOS关键词WINTER MONSOON VARIATIONS ; PALEOCLIMATIC IMPLICATIONS ; TIME-SCALE ; MYR AGO ; DUST ; ORIGIN ; ACCUMULATION ; PLEISTOCENE ; TIMESCALE ; UPLIFT
WOS研究方向Geography, Physical ; Geosciences, Multidisciplinary ; Paleontology
语种英语
出版者ELSEVIER SCIENCE BV
WOS记录号WOS:000220247800003
内容类型期刊论文
源URL[http://ir.ieecas.cn/handle/361006/11897]  
专题黄土与第四纪地质国家重点实验室(1985-2004)
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Vandenberghe, J,Lu, HY,Sun, DH,et al. The late Miocene and Pliocene climate in East Asia as recorded by grain size and magnetic susceptibility of the Red Clay deposits (Chinese Loess Plateau)[J]. PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY,2004,204(3-4):239-255.
APA Vandenberghe, J,Lu, HY,Sun, DH,van Huissteden, J,&Konert, M.(2004).The late Miocene and Pliocene climate in East Asia as recorded by grain size and magnetic susceptibility of the Red Clay deposits (Chinese Loess Plateau).PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY,204(3-4),239-255.
MLA Vandenberghe, J,et al."The late Miocene and Pliocene climate in East Asia as recorded by grain size and magnetic susceptibility of the Red Clay deposits (Chinese Loess Plateau)".PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY 204.3-4(2004):239-255.
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