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Hydroclimatic variability in loess delta D-wax records from the central Chinese Loess Plateau over the past 250 ka
Wang, Zheng1; An, Zhisheng1,2; Liu, Zhonghui3; Qiang, Xiaoke1; Zhang, Fan2; Liu, Weiguo1,2
2018-04-15
Source PublicationJOURNAL OF ASIAN EARTH SCIENCES
Volume155Issue:2018Pages:49-57
SubtypeArticle
AbstractThis study reports hydrogen isotopic records from the central Chinese Loess Plateau (CLP) over the past 250 ka. After eliminating the influence of ice and local temperatures, the delta D-wax records extracted from two loess sites at Xifeng and Luochuan can be taken to represent arid/humid alternations in the hydrological environment in this marginal Asian Summer Monsoon (ASM) region; they also contain integrated information on summer precipitation patterns and the corresponding responses to these changes by predominant vegetation cover types. These arid/humid alternations show 100 ka, 40 ka and 20 ka cycles. An increase in precipitation in association with an enhanced summer monsoon has historically been taken to be the major factor driving a humid environment in the central CLP. However, hydroclimatic changes in delta D-wax records differ for the central CLP, central China and southern China. Over a 20 ka cycle, the influence of solar insolation on hydroclimatic changes can be shown to be consistent throughout the central CLP. However, changes in the relative location of the land and sea may have caused different hydroclimatic responses between southern China and the central CLP on a glacial-interglacial scale. The hydroclimatic variability in the central CLP would suggest that an enhanced summer monsoon due to climatic warming is the key to understanding decreased drought degree in this marginal monsoonal region.
KeywordLoess Delta D-wax Central Chinese Loess Plateau Asian Summer Monsoon Hydroclimatic Changes
WOS HeadingsScience & Technology ; Physical Sciences
DOI10.1016/j.jseaes.2017.11.008
WOS KeywordICE-AGE TERMINATIONS ; LAST GLACIAL MAXIMUM ; ASIAN SUMMER MONSOON ; HYDROGEN ISOTOPES ; LEAF WAXES ; TEMPERATURE ; INSOLATION ; RECONSTRUCTION ; PRECIPITATION ; CLIMATES
Indexed BySCI
Language英语
WOS Research AreaGeology
WOS SubjectGeosciences, Multidisciplinary
WOS IDWOS:000428006300005
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ieecas.cn/handle/361006/5201
Collection加速器质谱中心
Affiliation1.Chinese Acad Sci, IEE, State Key Lab Loess & Quaternary Geol, Xian 710075, Shaanxi, Peoples R China
2.Xi An Jiao Tong Univ, Sch Human Settlement & Civil Engn, Xian 710049, Shaanxi, Peoples R China
3.Univ Hong Kong, Dept Earth Sci, Hong Kong, Hong Kong, Peoples R China
Recommended Citation
GB/T 7714
Wang, Zheng,An, Zhisheng,Liu, Zhonghui,et al. Hydroclimatic variability in loess delta D-wax records from the central Chinese Loess Plateau over the past 250 ka[J]. JOURNAL OF ASIAN EARTH SCIENCES,2018,155(2018):49-57.
APA Wang, Zheng,An, Zhisheng,Liu, Zhonghui,Qiang, Xiaoke,Zhang, Fan,&Liu, Weiguo.(2018).Hydroclimatic variability in loess delta D-wax records from the central Chinese Loess Plateau over the past 250 ka.JOURNAL OF ASIAN EARTH SCIENCES,155(2018),49-57.
MLA Wang, Zheng,et al."Hydroclimatic variability in loess delta D-wax records from the central Chinese Loess Plateau over the past 250 ka".JOURNAL OF ASIAN EARTH SCIENCES 155.2018(2018):49-57.
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