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Effect of precipitation seasonality on annual oxygen isotopic composition in the area of spring persistent rain in southeastern China and its paleoclimatic implication
Zhang, Haiwei1,2; Cheng, Hai1,3; Cai, Yanjun1,2; Spoetl, Christoph4; Sinha, Ashish5; Kathayat, Gayatri1; Li, Hanying1
Corresponding AuthorZhang, Haiwei(zhanghaiwei@xjtu.edu.cn)
2020-01-30
Source PublicationCLIMATE OF THE PAST
ISSN1814-9324
Volume16Issue:1Pages:211-225
AbstractThis study examines the seasonality of precipitation amount and delta O-18 over the monsoon region of China (MRC). We found that the precipitation amount associated with the East Asian summer monsoon (EASM) in the spring persistent rain (SPR) region is equivalent to that of the non-summer monsoon (NSM). The latter contributes similar to 50% to amount-weighted annual delta O-18 values, in contrast with other areas in the MRC, where the delta O-18 of annual precipitation is dominated by EASM precipitation. Interannual relationships between the El Nino-Southern Oscillation (ENSO) index, simulated delta O-18 data from IsoGSM, and seasonal precipitation amount in the SPR region were also examined. We found that on interannual timescales, the seasonality of precipitation amount (EASM / NSM ratio) was modulated by ENSO and primarily influences the variability of amount-weighted annual precipitation delta O-18 values in the SPR region, although integrated regional convection and moisture source and transport distance may also play subordinate roles. During El Nino (La Nina) phases, less (more) EASM and more (less) NSM precipitation leading to lower (higher) EASM / NSM precipitation amount ratios results in higher (lower) amount-weighted annual precipitation delta O-18 values and, consequently, in higher (lower) speleothem delta O-18 values. Characterizing spatial differences in seasonal precipitation is, therefore, key to correctly interpreting speleothem delta O-18 records from the MRC.
DOI10.5194/cp-16-211-2020
WOS KeywordASIAN SUMMER MONSOON ; SOUTH CHINA ; NORTHERN CHINA ; ENSO ; RECORDS ; VARIABILITY ; CLIMATE ; CIRCULATION ; SCALE ; CAVE
Indexed BySCI ; SCI
Language英语
Funding ProjectNSFC[41502166] ; China Postdoctoral Science Foundation[2015M580832] ; State Key Laboratory of Loess and Quaternary Geology[SKLLQG1046] ; Key Laboratory of Karst Dynamics, Ministry of Land and Resources of the People's Republic of China (MLR)[KDL201502] ; Guangxi Zhuang Autonomous Region (GZAR)[KDL201502]
WOS Research AreaGeology ; Meteorology & Atmospheric Sciences
Funding OrganizationNSFC ; China Postdoctoral Science Foundation ; State Key Laboratory of Loess and Quaternary Geology ; Key Laboratory of Karst Dynamics, Ministry of Land and Resources of the People's Republic of China (MLR) ; Guangxi Zhuang Autonomous Region (GZAR)
WOS SubjectGeosciences, Multidisciplinary ; Meteorology & Atmospheric Sciences
WOS IDWOS:000510401500001
PublisherCOPERNICUS GESELLSCHAFT MBH
Citation statistics
Cited Times:11[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ieecas.cn/handle/361006/12822
Collection现代环境研究室
Corresponding AuthorZhang, Haiwei
Affiliation1.Xi An Jiao Tong Univ, Inst Global Environm Change, Xian 710054, Peoples R China
2.Chinese Acad Sci, Inst Earth Environm, State Key Lab Loess & Quaternary Geol, Xian 710061, Peoples R China
3.Univ Minnesota, Dept Earth Sci, Minneapolis, MN 55455 USA
4.Univ Innsbruck, Inst Geol, A-6020 Innsbruck, Austria
5.Calif State Univ Dominguez Hills, Dept Earth Sci, Carson, CA 90747 USA
Recommended Citation
GB/T 7714
Zhang, Haiwei,Cheng, Hai,Cai, Yanjun,et al. Effect of precipitation seasonality on annual oxygen isotopic composition in the area of spring persistent rain in southeastern China and its paleoclimatic implication[J]. CLIMATE OF THE PAST,2020,16(1):211-225.
APA Zhang, Haiwei.,Cheng, Hai.,Cai, Yanjun.,Spoetl, Christoph.,Sinha, Ashish.,...&Li, Hanying.(2020).Effect of precipitation seasonality on annual oxygen isotopic composition in the area of spring persistent rain in southeastern China and its paleoclimatic implication.CLIMATE OF THE PAST,16(1),211-225.
MLA Zhang, Haiwei,et al."Effect of precipitation seasonality on annual oxygen isotopic composition in the area of spring persistent rain in southeastern China and its paleoclimatic implication".CLIMATE OF THE PAST 16.1(2020):211-225.
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