| DOI: | 10.1016/j.quascirev.2016.08.004
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| Scopus记录号: | 2-s2.0-84994802250
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| 论文题名: | Palaeoclimatic records of the loess/palaeosol sequences of the Chinese Loess Plateau |
| 作者: | Maher B.A.
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| 刊名: | Quaternary Science Reviews
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| ISSN: | 2773791
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| 出版年: | 2016
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| 卷: | 154 | | 起始页码: | 23
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| 结束页码: | 84
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| 语种: | 英语
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| 英文关键词: | Astronomical forcing
; Chinese caves
; Chinese loess/paleosols
; Environmental magnetism
; Glacial-interglacial climate change
; Loess Plateau
; Magnetic susceptibility
; Monsoon evolution
; North Atlantic
; Oxygen isotopes
; Palaeomagnetic dating
; Quaternary
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| Scopus关键词: | Atmospheric thermodynamics
; Catchments
; Deposition rates
; Geomagnetism
; Glacial geology
; Isotopes
; Landforms
; Magnetic susceptibility
; Magnetism
; Moisture
; Precipitation (meteorology)
; Rain
; Sediments
; Wind
; Astronomical forcing
; Chinese loess
; Environmental magnetism
; Interglacial climate
; Loess Plateau
; Monsoon evolution
; North Atlantic
; Oxygen isotopes
; Palaeomagnetic dating
; Quaternary
; Climate change
; atmospheric circulation
; climate variation
; dating method
; geomagnetism
; glacial-interglacial cycle
; loess
; magnetic susceptibility
; monsoon
; oxygen isotope
; paleoclimate
; paleomagnetism
; paleosol
; Quaternary
; speleothem
; Atlantic Ocean
; Atlantic Ocean (North)
; China
; Loess Plateau
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| 英文摘要: | Whether during past climate stages or into a progressively warming world, changes in precipitation constitute a key component of climatic change. Quantitative proxies for palaeo-precipitation are relatively rare. The magnetic properties of the windblown loess units and interbedded palaeosols of the famous Chinese Loess Plateau provide key palaeo-precipitation data for this populous, monsoon-dominated region. The loess/palaeosol sediments record rainfall totals, directly complementing the oxygen isotope records of Chinese speleothems. These isotopic records predominantly reflect moisture source, and hence large-scale atmospheric circulation changes. The two major Asian monsoon systems appear to display antiphase behaviour. Dominance of the Indian summer monsoon system seems associated with minimum precession/maximum northern hemisphere summer heating; dominance of the East Asian summer monsoons with maximum precession. At ∼2.8 Ma, more intense development of the East Asian winter monsoon initiated major increases in dust deposition rates, and formation of relatively unweathered loess layers. Glacial-stage loess units then interleaved with interglacial/interstadial-stage palaeosols throughout the Quaternary period. Decoupling of the loess/palaeosol rainfall records from the Chinese cave records of moisture source shows that the Indian and East Asian monsoon winds were continuously driven by precessional forcing while summer monsoonal rainfall was greatly suppressed during cool, glacial stages. The timing of these East Asian climatic transitions, the subsequent intensification of northern hemisphere glaciations, and the association between monsoon circulation changes and North Atlantic temperatures, indicates a possibly leading global role for these monsoonal changes via alterations in the poleward distribution of heat and moisture. © 2016 Elsevier Ltd |
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| 资源类型: | 期刊论文
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| 标识符: | http://119.78.100.158/handle/2HF3EXSE/59375
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| Appears in Collections: | 过去全球变化的重建
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作者单位: | Centre for Environmental Magnetism & Palaeomagnetism, Lancaster Environment Centre, Lancaster University, United Kingdom
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| Recommended Citation: | |
Maher B.A.. Palaeoclimatic records of the loess/palaeosol sequences of the Chinese Loess Plateau[J]. Quaternary Science Reviews,2016-01-01,154
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