IEECAS OpenIR  > 黄土与第四纪地质国家重点实验室(2010~)
A 120-year seasonally resolved speleothem record of precipitation seasonality from southeastern China
Lu, Jiayu1; Zhang, Haiwei1; Li, Hanying1; Sha, Lijuan1; Zhao, Jingyao1; Li, Youwei1,2; Wang, Jian1; Dong, Xiyu1; Edwards, R. Lawrence4; Qian, Zhi2; Cheng, Hai1,3,5
Corresponding AuthorZhang, Haiwei(zhanghaiwei@xjtu.edu.cn) ; Cheng, Hai(cheng021@xjtu.edu.cn)
2021-07-15
Source PublicationQUATERNARY SCIENCE REVIEWS
ISSN0277-3791
Volume264Pages:13
AbstractSpeleothem oxygen isotope (delta O-18(s)) record as a climatic proxy in southeastern China is still in debate due to multifaceted influencing factors, a modern delta O-18(s) record, which can be calibrated or compared with observational data, is critical to explore the interpretation of delta O-18(s) proxy. Here we present a seasonally resolved delta O-18(s) record spanning the interval of 1898-2018 CE from Niubi Cave, Guangdong Province, southeastern China. A comparison between the Niubi delta O-18(s) and instrumental data reveals that the Niubi delta O-18(s) variability is primarily controlled by changes in precipitation seasonality modulated by El Nino-Southern Oscillation on interannual to interdecadal timescales. Higher (lower) delta O-18(s) values correspond to lower (higher) ratios of the East Asian summer monsoon/non-summer monsoon precipitation during the El Nino (La Nina) events associated with concomitant changes in the outgoing longwave radiation, wind field and Western Pacific Subtropical High. While similar to 73% historical drought events correlate to positive anomalies in Niubi delta O-18(s) values over the last 120 years, the rest of drought events associate with the negative delta O-18(s) anomalies. This observation suggests two different mechanisms for the drought events with more and less diminution of rainfall amount in the East Asian summer monsoon relative to the non-summer monsoon precipitation, respectively. Additionally, our Niubi delta O-18(s) record from southeastern China, together with other high-resolution speleothem and tree ring records, demonstrate a "tripole pattern" of summer precipitation during the last similar to 100 years in eastern China. (C) 2021 Elsevier Ltd. All rights reserved.
KeywordSpeleothem delta O-18 Southwestern China Precipitation seasonality El Nino/Southern Oscillation Drought events Tripole pattern
DOI10.1016/j.quascirev.2021.107023
WOS KeywordASIAN SUMMER MONSOON ; EXTREME PRECIPITATION ; VARIABILITY ; CLIMATE ; PATTERNS ; STALAGMITE ; REGION ; CAVE ; RAIN ; AREA
Indexed BySCI ; SCI
Language英语
Funding ProjectNational Natural Science Foundation of China[41888101] ; National Natural Science Foundation of China[41731174] ; National Natural Science Foundation of China[41972186]
WOS Research AreaPhysical Geography ; Geology
Funding OrganizationNational Natural Science Foundation of China
WOS SubjectGeography, Physical ; Geosciences, Multidisciplinary
WOS IDWOS:000674619500011
PublisherPERGAMON-ELSEVIER SCIENCE LTD
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ieecas.cn/handle/361006/16853
Collection黄土与第四纪地质国家重点实验室(2010~)
Corresponding AuthorZhang, Haiwei; Cheng, Hai
Affiliation1.Xi An Jiao Tong Univ, Inst Global Environm Change, Xian, Peoples R China
2.Guizhou Acad Sci, Inst Mt Resources, Guiyang, Peoples R China
3.Chinese Acad Sci, Inst Earth Environm, State Key Lab Loess & Quaternary Geol, Xian, Peoples R China
4.Univ Minnesota, Dept Earth Sci, Minneapolis, MN USA
5.CAGS, Inst Karst Geol, MLR, Key Lab Karst Dynam, Guilin, Peoples R China
Recommended Citation
GB/T 7714
Lu, Jiayu,Zhang, Haiwei,Li, Hanying,et al. A 120-year seasonally resolved speleothem record of precipitation seasonality from southeastern China[J]. QUATERNARY SCIENCE REVIEWS,2021,264:13.
APA Lu, Jiayu.,Zhang, Haiwei.,Li, Hanying.,Sha, Lijuan.,Zhao, Jingyao.,...&Cheng, Hai.(2021).A 120-year seasonally resolved speleothem record of precipitation seasonality from southeastern China.QUATERNARY SCIENCE REVIEWS,264,13.
MLA Lu, Jiayu,et al."A 120-year seasonally resolved speleothem record of precipitation seasonality from southeastern China".QUATERNARY SCIENCE REVIEWS 264(2021):13.
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