Precession-band variance missing from East Asian monsoon runoff
Clemens, S. C.1; Holbourn, A.2; Kubota, Y.3; Lee, K. E.4; Liu, Z.5; Chen, G.6; Nelson, A.1; Fox-Kemper, B.1
2018-08-22
发表期刊NATURE COMMUNICATIONS
卷号9期号:3364页码:1-12
文章类型Article
摘要Speleothem CaCO3 delta O-18 is a commonly employed paleomonsoon proxy. However, inferring local rainfall amount from speleothem delta O-18 can be complicated due to changing source water delta O-18, temperature effects, and rainout over the moisture transport path. These complications are addressed using delta O-18 of planktonic foraminiferal CaCO3, offshore from the Yangtze River Valley (YRV). The advantage is that the effects of global seawater delta O-18 and local temperature changes can be quantitatively removed, yielding a record of local seawater delta O-18, a proxy that responds primarily to dilution by local precipitation and runoff. Whereas YRV speleothem delta O-18 is dominated by precession-band (23 ky) cyclicity, local seawater delta O-18 is dominated by eccentricity (100 ky) and obliquity (41 ky) cycles, with almost no precession-scale variance. These results, consistent with records outside the YRV, suggest that East Asian monsoon rainfall is more sensitive to greenhouse gas and high-latitude ice sheet forcing than to direct insolation forcing.
WOS标题词Science & Technology
DOI10.1038/s41467-018-05814-0
关键词[WOS]LAST GLACIAL MAXIMUM ; COUPLED MODEL SIMULATIONS ; CHINESE CAVE RECORDS ; ICE-AGE TERMINATIONS ; SUMMER MONSOON ; MILLENNIAL-SCALE ; PLANKTONIC-FORAMINIFERA ; SEASONAL TRANSITIONS ; OXYGEN ISOTOPES ; CLIMATE SYSTEM
收录类别SCI
语种英语
WOS研究方向Science & Technology - Other Topics
WOS类目Multidisciplinary Sciences
WOS记录号WOS:000442376200010
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文献类型期刊论文
条目标识符http://ir.ieecas.cn/handle/361006/5114
专题黄土与第四纪地质国家重点实验室(2010~)
作者单位1.Brown Univ, Earth Environm & Planetary Sci, Providence, RI 02912 USA
2.Univ Kiel, Inst Geosci, D-24118 Kiel, Germany
3.Natl Museum Nat & Sci, Geol & Paleontol, Tsukuba, Ibaraki 1108718, Japan
4.Korea Maritime & Ocean Univ, Ocean Sci, Busan 49112, South Korea
5.Ohio State Univ, Dept Geog, Atmospher Sci Program, Columbus, OH 43210 USA
6.Chinese Acad Sci, Inst Earth Environm, Xian 710061, Shaanxi, Peoples R China
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Clemens, S. C.,Holbourn, A.,Kubota, Y.,et al. Precession-band variance missing from East Asian monsoon runoff[J]. NATURE COMMUNICATIONS,2018,9(3364):1-12.
APA Clemens, S. C..,Holbourn, A..,Kubota, Y..,Lee, K. E..,Liu, Z..,...&Fox-Kemper, B..(2018).Precession-band variance missing from East Asian monsoon runoff.NATURE COMMUNICATIONS,9(3364),1-12.
MLA Clemens, S. C.,et al."Precession-band variance missing from East Asian monsoon runoff".NATURE COMMUNICATIONS 9.3364(2018):1-12.
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