globalchange  > 影响、适应和脆弱性
DOI: 10.1007/s00382-017-3664-3
Scopus记录号: 2-s2.0-85017093471
论文题名:
Quantitative Holocene climatic reconstructions for the lower Yangtze region of China
作者: Li J.; Dodson J.; Yan H.; Wang W.; Innes J.B.; Zong Y.; Zhang X.; Xu Q.; Ni J.; Lu F.
刊名: Climate Dynamics
ISSN: 9307575
出版年: 2018
卷: 50, 期:2018-03-04
起始页码: 1101
结束页码: 1113
语种: 英语
英文关键词: China ; Climate ; Holocene ; Lower Yangtze ; Pollen ; Quantitative reconstructions
Scopus关键词: calibration ; data set ; Holocene ; least squares method ; monsoon ; paleoclimate ; paleoenvironment ; paleotemperature ; palynology ; proxy climate record ; quantitative analysis ; rainfall ; reconstruction ; China ; Yangtze Basin
英文摘要: Quantitative proxy-based and high-resolution palaeoclimatic datasets are scarce for the lower reaches of the Yangtze River (LYR) basin. This region is in a transitional vegetation zone which is climatologically sensitive; and as a birthplace for prehistorical civilization in China, it is important to understand how palaeoclimatic dynamics played a role in affecting cultural development in the region. We present a pollen-based and regionally-averaged Holocene climatic twin-dataset for mean total annual precipitation (PANN) and mean annual temperature (TANN) covering the last 10,000 years for the LYR region. This is based on the technique of weighted averaging-partial least squares regression to establish robust calibration models for obtaining reliable climatic inferences. The pollen-based reconstructions generally show an early Holocene climatic optimum with both abundant monsoonal rainfall and warm thermal conditions, and a declining pattern of both PANN and TANN values in the middle to late Holocene. The main driving forces behind the Holocene climatic changes in the LYR area are likely summer solar insolation associated with tropical or subtropical macro-scale climatic circulations such as the Intertropical Convergence Zone (ITCZ), Western Pacific Subtropical High (WPSH), and El Niño/Southern Oscillation (ENSO). Regional multi-proxy comparisons indicate that the Holocene variations in precipitation and temperature for the LYR region display an in-phase relationship with other related proxy records from southern monsoonal China and the Indian monsoon-influenced regions, but are inconsistent with the Holocene moisture or temperature records from northern monsoonal China and the westerly-dominated region in northwestern China. Overall, our comprehensive palaeoclimatic dataset and models may be significant tools for understanding the Holocene Asian monsoonal evolution and for anticipating its future dynamics in eastern Asia. © 2017, Springer-Verlag Berlin Heidelberg.
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/109470
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: State Key Laboratory of Loess and Quaternary Geology, Institute of Earth Environment, Chinese Academy of Sciences, Xi’an, 710075, China; School of Biological, Earth and Environmental Sciences, University of New South Wales, Sydney, 2033, Australia; Key Laboratory of Economic Stratigraphy and Palaeogeography, Nanjing Institute of Geology and Palaeontology, Chinese Academy of Sciences, Nanjing, 210008, China; Geography Department, Durham University, Durham, DH1 3LE, United Kingdom; Department of Earth Sciences, The University of Hong Kong, Hong Kong; Guangzhou Institute of Geography, Guangzhou, 510070, China; School of Geographic and Oceanographic Sciences, Nanjing University, Nanjing, 210093, China; Institute of Nihewan Archaeology, Hebei Normal University, Shijiazhuang, 050024, China; College of Chemistry and Life Sciences, Zhejiang Normal University, Jinhua, 321004, China

Recommended Citation:
Li J.,Dodson J.,Yan H.,et al. Quantitative Holocene climatic reconstructions for the lower Yangtze region of China[J]. Climate Dynamics,2018-01-01,50(2018-03-04)
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