A new magnetostratigraphic framework for late Neogene Hipparion Red Clay in the eastern Loess Plateau of China

Zhu, Yanming; Zhou, Liping; Mo, Duowen; Kaakinen, Anu; Zhang, Zhaoqun

doi:10.1016/j.palaeo.2008.08.001

Cited by 66 publications

(50 citation statements)

References 45 publications

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“…Similar results can also be inferred by the lack of deposition of the wind origin "Red Clay" on the central Loess Plateau before 8-7 Ma (e.g. Sun et al, 1998;Qiang et al, 2001;Zhu et al, 2008).…”

Section: Winter Monsoonsupporting

confidence: 75%

Regional climate model experiments to investigate the Asian monsoon in the Late Miocene

2011

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Abstract. The Late Miocene (11.6-5.3 Ma) is a crucial period in the history of the Asian monsoon. Significant changes in the Asian climate regime have been documented for this period, which saw the formation of the modern Asian monsoon system. However, the spatiotemporal structure of these changes is still ambiguous, and the associated mechanisms are debated. Here, we present a simulation of the average state of the Asian monsoon climate for the Tortonian (11-7 Ma) using the regional climate model CCLM3.2. We employ relatively high spatial resolution (1 • × 1 • ) and adapt the physical boundary conditions such as topography, land-sea distribution and vegetation in the regional model to represent the Late Miocene. As climatological forcing, the output of a Tortonian run with a fully-coupled atmosphere-ocean general circulation model is used. Our regional Tortonian run shows a stronger-than-present East Asian winter monsoon wind as a result of the enhanced mid-latitude westerly wind of our global forcing and the lowered present-day northern Tibetan Plateau in the regional model. The summer monsoon circulation is generally weakened in our regional Tortonian run compared to today. However, the changes of summer monsoon precipitation exhibit major regional differences. Precipitation decreases in northern China and northern India, but increases in southern China, the western coast and the southern tip of India. This can be attributed to the changes in both the regional topography (e.g. the lower northern Tibetan Plateau) and the global climate conditions (e.g. the higher sea surface temperature). The spread of dry summer conditions over northern China and northern Pakistan in our Tortonian run further implies that the monsoonal climate may not have been Correspondence to: H. Tang (hui.tang@helsinki.fi) fully established in these regions in the Tortonian. Compared with the global model, the high resolution regional model highlights the spatial differences of the Asian monsoon climate in the Tortonian, and better characterizes the convective activity and its response to regional topographical changes. It therefore provides a useful and compared to global models, a complementary tool to improve our understanding of the Asian monsoon evolution in the Late Miocene.

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Section: Winter Monsoonsupporting

confidence: 75%

Regional climate model experiments to investigate the Asian monsoon in the Late Miocene

2011

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“…Heller and Liu, 1982;Liu, 1985;Kukla, 1987;Sun et al, 1998;Ding et al, 1999;Lu et al, 2001;Qiang et al, 2001;Nugteren et al, 2004;Zhu et al, 2008). Therefore the thick aeolian sediments that are stacked on the planation surface and the highest fluvial terrace can provide age estimates for the underlying geomorphic surfaces.…”

Section: Methodsmentioning

confidence: 99%

The approximate age of the planation surface and the incision of the Yellow River

Pan¹,

Hu²,

Wang³

et al. 2012

Palaeogeography, Palaeoclimatology, Palaeoecology

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“…On Chinese Loess Plateau, Tibetan Plateau uplift has greatly affected aeolian accumulation and precipitation through its effects on aridity, atmospheric circulation and monsoon strength (Ye and Gao, 1979;Ruddiman and Kutzbach, 1989;Manabe and Broccoli, 1990;Harrison et al, 1992;Ramstein et al, 1997;Rea et al, 1998;An et al, 2001), which are recorded in the aeolian sequences of the Loess Plateau. Initiation of aeolian accumulation on the central Loess Plateau 7-8 Ma ago has been interpreted as the onset of aridity in the Asian interior (Ding et al, 1998;Sun et al, 1998aSun et al, , 1998bQiang et al, 2001;Zhu et al, 2008). And aeolian accumulation might have initiated as early as 22 Ma in the western Loess Plateau (Guo et al, 2002).…”

Section: Introductionmentioning

confidence: 99%

Magnetostratigraphy and palaeoenvironmental records for a Late Cenozoic sedimentary sequence from Lanzhou, Northeastern margin of the Tibetan Plateau

Sun

Zhang

Han

et al. 2011

Global and Planetary Change

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A new magnetostratigraphic framework for late Neogene Hipparion Red Clay in the eastern Loess Plateau of China

Cited by 66 publications

References 45 publications

Regional climate model experiments to investigate the Asian monsoon in the Late Miocene

Regional climate model experiments to investigate the Asian monsoon in the Late Miocene

The approximate age of the planation surface and the incision of the Yellow River

Magnetostratigraphy and palaeoenvironmental records for a Late Cenozoic sedimentary sequence from Lanzhou, Northeastern margin of the Tibetan Plateau

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