IGGCAS OpenIR  > 新生代地质与环境院重点实验室
Atmospheric C-14/C-12 changes during the last glacial period from Hulu Cave
Cheng, Hai1,2; Edwards, R. Lawrence2; Southon, John3; Matsumoto, Katsumi2; Feinberg, Joshua M.2,4; Sinha, Ashish5; Zhou, Weijian6; Li, Hanying1; Li, Xianglei1; Xu, Yao1; Chen, Shitao7; Tan, Ming8; Wang, Quan7; Wang, Yongjin7; Ning, Youfeng1
2018-12-14
发表期刊SCIENCE
ISSN0036-8075
卷号362期号:6420页码:1293-+
摘要Paired measurements of C-14/C-12 and Th-230 ages from two Hulu Cave stalagmites complete a precise record of atmospheric C-14 covering the full range of the C-14 dating method (similar to 54,000 years). Over the last glacial period, atmospheric C-14/C-12 ranges from values similar to modern values to values 1.70 times higher (42,000 to 39,000 years ago). The latter correspond to C-14 ages 5200 years less than calibrated ages and correlate with the Laschamp geomagnetic excursion followed by Heinrich Stadial 4. Millennial-scale variations are largely attributable to Earth's magnetic field changes and in part to climate-related changes in the oceanic carbon cycle. A progressive shift to lower C-14/C-12 values between 25,000 and 11,000 years ago is likely related, in part, to progressively increasing ocean ventilation rates.
DOI10.1126/science.aau0747
资助者China NSFC ; China NSFC ; U.S. NSF ; U.S. NSF ; Comer Science and Education Foundation ; Comer Science and Education Foundation ; China NSFC ; China NSFC ; U.S. NSF ; U.S. NSF ; Comer Science and Education Foundation ; Comer Science and Education Foundation ; China NSFC ; China NSFC ; U.S. NSF ; U.S. NSF ; Comer Science and Education Foundation ; Comer Science and Education Foundation ; China NSFC ; China NSFC ; U.S. NSF ; U.S. NSF ; Comer Science and Education Foundation ; Comer Science and Education Foundation
关键词[WOS]RADIOCARBON CONSTRAINTS ; C-14 CALIBRATION ; ORGANIC-MATTER ; CARBON-CYCLE ; MONO LAKE ; RECORD ; AGE ; ICE ; LASCHAMP ; ATLANTIC
语种英语
资助项目China NSFC[41888101] ; China NSFC[41731174] ; China NSFC[4157020432] ; China NSFC[41561144003] ; U.S. NSF[0502535] ; U.S. NSF[1103404] ; U.S. NSF[0823554] ; U.S. NSF[1003690] ; U.S. NSF[1137693] ; U.S. NSF[1337693] ; U.S. NSF[1702816] ; Comer Science and Education Foundation
资助者China NSFC ; China NSFC ; U.S. NSF ; U.S. NSF ; Comer Science and Education Foundation ; Comer Science and Education Foundation ; China NSFC ; China NSFC ; U.S. NSF ; U.S. NSF ; Comer Science and Education Foundation ; Comer Science and Education Foundation ; China NSFC ; China NSFC ; U.S. NSF ; U.S. NSF ; Comer Science and Education Foundation ; Comer Science and Education Foundation ; China NSFC ; China NSFC ; U.S. NSF ; U.S. NSF ; Comer Science and Education Foundation ; Comer Science and Education Foundation
WOS研究方向Science & Technology - Other Topics
WOS类目Multidisciplinary Sciences
WOS记录号WOS:000452994400053
出版者AMER ASSOC ADVANCEMENT SCIENCE
引用统计
文献类型期刊论文
条目标识符http://ir.iggcas.ac.cn/handle/132A11/90301
专题新生代地质与环境院重点实验室
通讯作者Cheng, Hai; Edwards, R. Lawrence
作者单位1.Xi An Jiao Tong Univ, Inst Global Environm Change, Xian, Shaanxi, Peoples R China
2.Univ Minnesota, Dept Earth Sci, Minneapolis, MN 55455 USA
3.Univ Calif Irvine, Dept Earth Syst Sci, Irvine, CA USA
4.Univ Minnesota, Inst Rock Magnetism, Minneapolis, MN USA
5.Calif State Univ Dominguez Hills, Dept Earth Sci, Carson, CA 90747 USA
6.Chinese Acad Sci, Inst Earth Environm, Xian, Shaanxi, Peoples R China
7.Nanjing Normal Univ, Coll Geog Sci, Nanjing, Jiangsu, Peoples R China
8.Chinese Acad Sci, Inst Geol & Geophys, Beijing, Peoples R China
推荐引用方式
GB/T 7714
Cheng, Hai,Edwards, R. Lawrence,Southon, John,et al. Atmospheric C-14/C-12 changes during the last glacial period from Hulu Cave[J]. SCIENCE,2018,362(6420):1293-+.
APA Cheng, Hai.,Edwards, R. Lawrence.,Southon, John.,Matsumoto, Katsumi.,Feinberg, Joshua M..,...&Ning, Youfeng.(2018).Atmospheric C-14/C-12 changes during the last glacial period from Hulu Cave.SCIENCE,362(6420),1293-+.
MLA Cheng, Hai,et al."Atmospheric C-14/C-12 changes during the last glacial period from Hulu Cave".SCIENCE 362.6420(2018):1293-+.
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