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Asian Summer Monsoon-Related Relative Humidity Recorded by Tree Ring delta O-18 During Last 205 Years
Liu, Yu1,2,3,4,5,6; Wang, Lu1,7; Li, Qiang1; Cai, Qiufang1; Song, Huiming1; Sun, Changfeng1; Liu, Ruoshi6; Mei, Ruochen1
Corresponding AuthorLiu, Yu(liuyu@loess.llqg.ac.cn)
2019-09-27
Source PublicationJOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES
ISSN2169-897X
Volume124Issue:17-18Pages:9824-9838
AbstractTo deeply understand the Asian summer monsoon (ASM) strength variation in its fringe region, we established a 205-year stable oxygen isotope (delta O-18) chronology based on four individual Pinus tabulaeformis Carr. from Ordos Plateau, China. First, we found that delta O-18 in tree rings inherits the signals of summer (June to August) monsoonal precipitation delta O-18 (delta O-18(P)). Second, relative humidity (RH) was observed to have a large effect on the delta O-18 of pine trees. The tree ring delta O-18 series significantly correlates with the observed local RH from June to August (RHJJA) with r = -0.65 (N = 56, p < 0.001). The RH over Ordos Plateau is greatly influenced by ASM-related precipitation. As such, it could well reflect the variations of ASM intensity. Thus, we reconstructed the RHJJA over Ordos, the center of the ASM fringe region (ASMFR), for the last two centuries. Our reconstructed RHJJA series has a large geographical and spatial representativeness, which is well compared with other precipitation reconstructions in ASMFR and jointly reflects ASM variations in the past. The RHJJA reconstruction showed that the 1870s-1890s were the wettest years in the entire reconstruction, while the middle-late 1920s were the driest. From 1930 to 2012, the RH of the study area continuously decreased. We found significantly negative correlations between RHJJA and the Central Pacific sea surface temperature. This finding means that if the El Nino-Southern Oscillation of the Central Pacific continues to increase in the future, the aridification in the ASMFR will be intensified.
DOI10.1029/2019JD030512
WOS KeywordEMPIRICAL MODE DECOMPOSITION ; EL NINO-SOUTHERN ; ANNUAL PRECIPITATION ; INNER-MONGOLIA ; CHINESE PINE ; TEMPERATURE RECONSTRUCTION ; DROUGHT RECONSTRUCTION ; PDSI RECONSTRUCTION ; TIBETAN PLATEAU ; STABLE-ISOTOPES
Indexed BySCI ; SCI
Language英语
Funding ProjectNational Natural Science Foundation of China[41630531] ; CAS Research Program[QYZDJ-SSW-DQC021] ; CAS Research Program[GJHZ1777] ; Key Project of IEECAS ; Cultivating Foundation of State Key Laboratory of Loess and Quaternary Geology (SKLLQG)
WOS Research AreaMeteorology & Atmospheric Sciences
Funding OrganizationNational Natural Science Foundation of China ; CAS Research Program ; Key Project of IEECAS ; Cultivating Foundation of State Key Laboratory of Loess and Quaternary Geology (SKLLQG)
WOS SubjectMeteorology & Atmospheric Sciences
WOS IDWOS:000494747300004
PublisherAMER GEOPHYSICAL UNION
Citation statistics
Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ieecas.cn/handle/361006/12894
Collection现代环境研究室
第四纪科学与全球变化卓越创新中心
Corresponding AuthorLiu, Yu
Affiliation1.Chinese Acad Sci, Inst Earth Environm, State Key Lab Loess & Quaternary Geol, Xian, Shaanxi, Peoples R China
2.Qingdao Natl Lab Marine Sci & Technol, Qingdao, Shandong, Peoples R China
3.Beijing Normal Univ, Interdisciplinary Res Ctr Earth Sci Frontier, Beijing, Peoples R China
4.Beijing Normal Univ, Joint Ctr Global Change Studies, Beijing, Peoples R China
5.Chinese Acad Sci, Ctr Excellence Quaternary Sci & Global Change, Xian, Shaanxi, Peoples R China
6.Xi An Jiao Tong Univ, Sch Human Settlements & Civil Engn, Dept Earth & Environm Sci, Xian, Shaanxi, Peoples R China
7.Univ Chinese Acad Sci, Coll Earth & Planetary Sci, Beijing, Peoples R China
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Liu, Yu,Wang, Lu,Li, Qiang,et al. Asian Summer Monsoon-Related Relative Humidity Recorded by Tree Ring delta O-18 During Last 205 Years[J]. JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES,2019,124(17-18):9824-9838.
APA Liu, Yu.,Wang, Lu.,Li, Qiang.,Cai, Qiufang.,Song, Huiming.,...&Mei, Ruochen.(2019).Asian Summer Monsoon-Related Relative Humidity Recorded by Tree Ring delta O-18 During Last 205 Years.JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES,124(17-18),9824-9838.
MLA Liu, Yu,et al."Asian Summer Monsoon-Related Relative Humidity Recorded by Tree Ring delta O-18 During Last 205 Years".JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES 124.17-18(2019):9824-9838.
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