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Distribution of n-alkan-2-ones in Qionghai Lake sediments, southwest China, and its potential for late Quaternary paleoclimate reconstruction

文献类型：期刊论文

作者Wang, Gen1; Wang, Yongli3,4; Wei, Zhifu1; He, Wei1,2; Zhang, Ting1,2; Ma, Xueyun1,2; Yu, Xiaoli1,2
刊名JOURNAL OF QUATERNARY SCIENCE
出版日期2021-02-02
页码10
ISSN号0267-8179
关键词biomarkers lake sediments late Pleistocene paleoclimatic changes southwest monsoon
DOI10.1002/jqs.3271
英文摘要Studies on long-chain n-alkan-2-ones from lake sediments remain sparse. In this study, we present an n-alkan-2-one record from Qionghai Lake, southwest China, to assess the paleoclimate significance of variations in their compositions. A homologous series of n-alkan-2-ones ranging from C-21 to C-35 were identified, with maximum concentrations of the C-29 or C-31 chain lengths and a strong odd-over-even predominance. This type of n-alkan-2-one is considered to derive mainly from microbial oxidation of the corresponding n-alkanes, and partial inputs from plants. The n-alkan-2-one-derived average chain length (ACL) and carbon preference index (CPI) values changed significantly over the past 28k cal a bp, consistent with the sediment grain size and n-alkane proxies from the same core. Generally, the high CPI27-33-ket and low ACL(27-33)-ket values indicated cold and dry climates such as for the Last Glacial Maximum (23.2-19.7k cal a bp), Heinrich 1 event (17.6-15.6k cal a bp) and Younger Dryas (12.8-11.6k cal a bp), but low CPI27-33-ket and high ACL(27-33)-ket values denoted a warm and humid Holocene Climatic Optimum (7.0-4.3k cal a bp). Therefore, n-alkan-2-ones have great paleoclimatic potential and can be applied together with other biomarkers to reconstruct a reliable paleoclimate record in lake sediments. Copyright (c) 2021 John Wiley & Sons, Ltd.
资助项目National Natural Science Foundation of China[41831176] ; National Natural Science Foundation of China[41902028] ; National Natural Science Foundation of China[41972030] ; Second Tibetan Plateau Scientific Expedition and Research (STEP) Program[2019QZKK0707] ; National Key R&D Program of China[2017YFA0604803] ; Chinese Academy of Sciences Key Project[XDB26020302] ; CAS `Light of West China' Program, Youth Innovation Promotion Association CAS ; Key Laboratory Project of Gansu[1309RTSA041]
WOS研究方向Physical Geography ; Geology
语种英语
出版者WILEY
WOS记录号WOS:000613644600001
资助机构National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Second Tibetan Plateau Scientific Expedition and Research (STEP) Program ; Second Tibetan Plateau Scientific Expedition and Research (STEP) Program ; Second Tibetan Plateau Scientific Expedition and Research (STEP) Program ; Second Tibetan Plateau Scientific Expedition and Research (STEP) Program ; National Key R&D Program of China ; National Key R&D Program of China ; National Key R&D Program of China ; National Key R&D Program of China ; Chinese Academy of Sciences Key Project ; Chinese Academy of Sciences Key Project ; Chinese Academy of Sciences Key Project ; Chinese Academy of Sciences Key Project ; CAS `Light of West China' Program, Youth Innovation Promotion Association CAS ; CAS `Light of West China' Program, Youth Innovation Promotion Association CAS ; CAS `Light of West China' Program, Youth Innovation Promotion Association CAS ; CAS `Light of West China' Program, Youth Innovation Promotion Association CAS ; Key Laboratory Project of Gansu ; Key Laboratory Project of Gansu ; Key Laboratory Project of Gansu ; Key Laboratory Project of Gansu ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Second Tibetan Plateau Scientific Expedition and Research (STEP) Program ; Second Tibetan Plateau Scientific Expedition and Research (STEP) Program ; Second Tibetan Plateau Scientific Expedition and Research (STEP) Program ; Second Tibetan Plateau Scientific Expedition and Research (STEP) Program ; National Key R&D Program of China ; National Key R&D Program of China ; National Key R&D Program of China ; National Key R&D Program of China ; Chinese Academy of Sciences Key Project ; Chinese Academy of Sciences Key Project ; Chinese Academy of Sciences Key Project ; Chinese Academy of Sciences Key Project ; CAS `Light of West China' Program, Youth Innovation Promotion Association CAS ; CAS `Light of West China' Program, Youth Innovation Promotion Association CAS ; CAS `Light of West China' Program, Youth Innovation Promotion Association CAS ; CAS `Light of West China' Program, Youth Innovation Promotion Association CAS ; Key Laboratory Project of Gansu ; Key Laboratory Project of Gansu ; Key Laboratory Project of Gansu ; Key Laboratory Project of Gansu ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Second Tibetan Plateau Scientific Expedition and Research (STEP) Program ; Second Tibetan Plateau Scientific Expedition and Research (STEP) Program ; Second Tibetan Plateau Scientific Expedition and Research (STEP) Program ; Second Tibetan Plateau Scientific Expedition and Research (STEP) Program ; National Key R&D Program of China ; National Key R&D Program of China ; National Key R&D Program of China ; National Key R&D Program of China ; Chinese Academy of Sciences Key Project ; Chinese Academy of Sciences Key Project ; Chinese Academy of Sciences Key Project ; Chinese Academy of Sciences Key Project ; CAS `Light of West China' Program, Youth Innovation Promotion Association CAS ; CAS `Light of West China' Program, Youth Innovation Promotion Association CAS ; CAS `Light of West China' Program, Youth Innovation Promotion Association CAS ; CAS `Light of West China' Program, Youth Innovation Promotion Association CAS ; Key Laboratory Project of Gansu ; Key Laboratory Project of Gansu ; Key Laboratory Project of Gansu ; Key Laboratory Project of Gansu ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Second Tibetan Plateau Scientific Expedition and Research (STEP) Program ; Second Tibetan Plateau Scientific Expedition and Research (STEP) Program ; Second Tibetan Plateau Scientific Expedition and Research (STEP) Program ; Second Tibetan Plateau Scientific Expedition and Research (STEP) Program ; National Key R&D Program of China ; National Key R&D Program of China ; National Key R&D Program of China ; National Key R&D Program of China ; Chinese Academy of Sciences Key Project ; Chinese Academy of Sciences Key Project ; Chinese Academy of Sciences Key Project ; Chinese Academy of Sciences Key Project ; CAS `Light of West China' Program, Youth Innovation Promotion Association CAS ; CAS `Light of West China' Program, Youth Innovation Promotion Association CAS ; CAS `Light of West China' Program, Youth Innovation Promotion Association CAS ; CAS `Light of West China' Program, Youth Innovation Promotion Association CAS ; Key Laboratory Project of Gansu ; Key Laboratory Project of Gansu ; Key Laboratory Project of Gansu ; Key Laboratory Project of Gansu
源URL[http://ir.iggcas.ac.cn/handle/132A11/100050]  
专题地质与地球物理研究所_兰州油气中心
地质与地球物理研究所_中国科学院新生代地质与环境重点实验室
通讯作者Wang, Yongli; Wei, Zhifu
作者单位1.Chinese Acad Sci, Northwest Inst Ecoenvironm & Resources, Key Lab Petr Resources Res, Lanzhou, Peoples R China
2.Univ Chinese Acad Sci, Beijing, Peoples R China
3.Chinese Acad Sci, Ctr Excellence Life & Paleoenvironm, Beijing, Peoples R China
4.Chinese Acad Sci, Inst Geol & Geophys, Key Lab Cenozo Geol & Environm, Beijing, Peoples R China
推荐引用方式
GB/T 7714		 Wang, Gen,Wang, Yongli,Wei, Zhifu,et al. Distribution of n-alkan-2-ones in Qionghai Lake sediments, southwest China, and its potential for late Quaternary paleoclimate reconstruction[J]. JOURNAL OF QUATERNARY SCIENCE,2021:10.
APA Wang, Gen.,Wang, Yongli.,Wei, Zhifu.,He, Wei.,Zhang, Ting.,...&Yu, Xiaoli.(2021).Distribution of n-alkan-2-ones in Qionghai Lake sediments, southwest China, and its potential for late Quaternary paleoclimate reconstruction.JOURNAL OF QUATERNARY SCIENCE,10.
MLA Wang, Gen,et al."Distribution of n-alkan-2-ones in Qionghai Lake sediments, southwest China, and its potential for late Quaternary paleoclimate reconstruction".JOURNAL OF QUATERNARY SCIENCE (2021):10.

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来源：地质与地球物理研究所

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