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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
发表期刊QUATERNARY INTERNATIONAL
卷号490期号:5页码:74-81
文章类型Article
摘要The 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.
关键词Guanting Basin Temperature Precipitation Cultural Evolution Gdgts
WOS标题词Science & Technology ; Physical Sciences
DOI10.1016/j.quaint.2018.05.009
关键词[WOS]DIALKYL GLYCEROL TETRAETHERS ; CHINESE LOESS PLATEAU ; CAL YR BP ; CLIMATE-CHANGE ; LAST DEGLACIATION ; QINGHAI PROVINCE ; MONSOON PRECIPITATION ; ENVIRONMENTAL-CHANGE ; CULTURAL-EVOLUTION ; MAYA CIVILIZATION
收录类别SCI
WOS研究方向Physical Geography ; Geology
WOS类目Geography, Physical ; Geosciences, Multidisciplinary
WOS记录号WOS:000441524200008
引用统计
文献类型期刊论文
条目标识符http://ir.ieecas.cn/handle/361006/5084
专题加速器质谱中心
通讯作者Zhao, Hui
作者单位1.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
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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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