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An n-alkane and carbon isotope record during the last deglaciation from annually laminated sediment in Lake Xiaolongwan, northeastern China

文献类型：期刊论文

作者Sun, Qing1; Xie, Manman1; Lin, Yuan1; Shan, Yabing1; Zhu, Qingzeng1; Xu, Deke2; Su, Youliang2; Rioual, Patrick2; Chu, Guoqiang2
刊名JOURNAL OF PALEOLIMNOLOGY
出版日期2016-10-01
卷号56期号:2-3页码:189-203
关键词Varved sediment Alkanes Compound-specific delta C-13 values The last deglaciation The Younger Dryas
DOI10.1007/s10933-016-9904-4
文献子类Article
英文摘要The last deglaciation is of great interest because Northern Hemisphere climate has gone through several abrupt changes. We present an n-alkane and compound-specific carbon isotope record of the last deglaciation from the annually laminated sedimentary sequence of Lake Xiaolongwan, northeastern China. The n-alkane distribution suggests that the sparsely distributed vegetation prior to 14.7 ka BP, changed to wood plants and aquatic macrophytes in the early BollingAllerod, and was followed by a broadleaved deciduous forest after 11.4 ka BP. In this forest region, where the vegetation is dominated by C3 plants, the compound-specific delta C-13 value of the long-chain n-alkanes (nC(27), nC(29) and nC(31)) is interpreted as a proxy of effective precipitation, while temperature might play a minor secondary role. The positive delta C-13(27-31) values during the Bolling-Allerod suggest a dry-warm climatic condition, while the negative delta C-13(27-31) at 13.0-11.4 ka BP indicates a cold-wet climate during the Younger Dryas in this region. Two periods with lower delta C-13(27-31) occurred at 16.1-16.5 and 17.3-17.7 ka BP and could be associated with the Heinrich event-1a and the Heinrich event-1b, respectively. The synchroneity between the biomarker time series in Lake Xiaolongwan and the delta O-18 record from the Greenland ice core suggest the dominance of high latitude processes on regional monsoon evolution from the last glacial, the BollingAllerod, the Younger Dryas to early Holocene. Regionally, the Okhotsk High might have played an important role for abrupt changes during the glacial/interglacial transition.
WOS关键词RADIOCARBON AGE CALIBRATION ; EAST-ASIAN SUMMER ; YOUNGER DRYAS ; HEINRICH EVENTS ; GLACIAL MAXIMUM ; ICEBERG DISCHARGES ; CLIMATE CHANGES ; WINTER MONSOON ; NORTH-ATLANTIC ; EARLY HOLOCENE
WOS研究方向Environmental Sciences & Ecology ; Geology ; Marine & Freshwater Biology
语种英语
WOS记录号WOS:000383989300007
资助机构National Natural Science Foundation of China(41272198 ; National Natural Science Foundation of China(41272198 ; China Geological Survey(12120113005600) ; China Geological Survey(12120113005600) ; 41371219 ; 41371219 ; 40977120) ; 40977120) ; National Natural Science Foundation of China(41272198 ; National Natural Science Foundation of China(41272198 ; China Geological Survey(12120113005600) ; China Geological Survey(12120113005600) ; 41371219 ; 41371219 ; 40977120) ; 40977120)
源URL[http://ir.iggcas.ac.cn/handle/132A11/53352]  
专题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
作者单位1.Natl Res Ctr Geoanal, Beijing 100037, Peoples R China
2.Chinese Acad Sci, Inst Geol & Geophys, Key Lab Cenozo Geol & Environm, Beijing 100029, Peoples R China
推荐引用方式
GB/T 7714		 Sun, Qing,Xie, Manman,Lin, Yuan,et al. An n-alkane and carbon isotope record during the last deglaciation from annually laminated sediment in Lake Xiaolongwan, northeastern China[J]. JOURNAL OF PALEOLIMNOLOGY,2016,56(2-3):189-203.
APA Sun, Qing.,Xie, Manman.,Lin, Yuan.,Shan, Yabing.,Zhu, Qingzeng.,...&Chu, Guoqiang.(2016).An n-alkane and carbon isotope record during the last deglaciation from annually laminated sediment in Lake Xiaolongwan, northeastern China.JOURNAL OF PALEOLIMNOLOGY,56(2-3),189-203.
MLA Sun, Qing,et al."An n-alkane and carbon isotope record during the last deglaciation from annually laminated sediment in Lake Xiaolongwan, northeastern China".JOURNAL OF PALEOLIMNOLOGY 56.2-3(2016):189-203.

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来源：地质与地球物理研究所

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