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Mid-late Holocene temperature and precipitation variations in the Guanting Basin, upper reaches of the Yellow River
Zhao, Hui1,2; Huang, Chun Chang1; Wang, Huanye2; Liu, Weiguo2; Qiang, Xiaoke2; Xu, Xinwen3; Zheng, Zixing1; Hu, Ying1; Zhou, Qiang4; Zhang, Yuzhu3; Guo, Yongqiang1
2018-10-10
Source PublicationQUATERNARY INTERNATIONAL
Volume490Issue:5Pages:74-81
SubtypeArticle
AbstractThe reconstruction of prehistoric temperature and precipitation variations in the upper reaches of the Yellow River is essential for understanding the cultural evolution of the region, but related information is sparse due to the limitations of the available proxies. Recent studies have shown that microbial glycerol dialkyl glycerol tetraethers (GDGTs) are promising tools for reconstructing mean annual temperature (MAT) and mean annual precipitation (MAP) in terrestrial deposits. In this study, we reconstructed mid-late Holocene climatic changes using GDGT distributions in a loess-paleosol sequence in the Lajia Ruins of the Neolithic Qijia Culture, Guanting Basin, in the southwestern end of the Chinese Loess Plateau. Our GDGT records show that MAP decreased from ca. 600 mm to 430 mm, while MAT decreased from 11.9 degrees C to 8.0 degrees C, during the past ca. 7000 yr, and a drastic decline in MAP (70 mm), accompanied by a 0.8 degrees C decline in MAT, occurred at 3800-3400 yr BP. Our results provide direct evidence supporting a hypothesis that the flourishing (4200-4000 yr BP) and decline (4000-3600 yr BP) of the Qijia culture (mainly based on millets cultivation) and subsequent rise of the Xindian/Kayue culture (3600-2600 yr BP), based on mixed agriculture of sheep husbandry and millets cultivation were triggered by climate change.
KeywordGuanting Basin Temperature Precipitation Cultural Evolution Gdgts
WOS HeadingsScience & Technology ; Physical Sciences
DOI10.1016/j.quaint.2018.05.009
WOS KeywordDIALKYL GLYCEROL TETRAETHERS ; CHINESE LOESS PLATEAU ; CAL YR BP ; CLIMATE-CHANGE ; LAST DEGLACIATION ; QINGHAI PROVINCE ; MONSOON PRECIPITATION ; ENVIRONMENTAL-CHANGE ; CULTURAL-EVOLUTION ; MAYA CIVILIZATION
Indexed BySCI
WOS Research AreaPhysical Geography ; Geology
WOS SubjectGeography, Physical ; Geosciences, Multidisciplinary
WOS IDWOS:000441524200008
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Document Type期刊论文
Identifierhttp://ir.ieecas.cn/handle/361006/5084
Collection加速器质谱中心
Corresponding AuthorZhao, Hui
Affiliation1.Shaanxi Normal Univ, Sch Geog & Tourism, Xian 710062, Shaanxi, Peoples R China
2.Chinese Acad Sci, Inst Earth Environm, State Key Lab Loess & Quaternary Geol, Xian 710061, Shaanxi, Peoples R China
3.Northwest Univ, Coll Urban & Environm Sci, Xian 710127, Shaanxi, Peoples R China
4.Qinghai Normal Univ, Sch Geog Sci, Xining 810008, Qinghai, Peoples R China
Recommended Citation
GB/T 7714
Zhao, Hui,Huang, Chun Chang,Wang, Huanye,et al. Mid-late Holocene temperature and precipitation variations in the Guanting Basin, upper reaches of the Yellow River[J]. QUATERNARY INTERNATIONAL,2018,490(5):74-81.
APA Zhao, Hui.,Huang, Chun Chang.,Wang, Huanye.,Liu, Weiguo.,Qiang, Xiaoke.,...&Guo, Yongqiang.(2018).Mid-late Holocene temperature and precipitation variations in the Guanting Basin, upper reaches of the Yellow River.QUATERNARY INTERNATIONAL,490(5),74-81.
MLA Zhao, Hui,et al."Mid-late Holocene temperature and precipitation variations in the Guanting Basin, upper reaches of the Yellow River".QUATERNARY INTERNATIONAL 490.5(2018):74-81.
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