IEECAS OpenIR  > 黄土与第四纪地质国家重点实验室(2010~)
Regional drought shifts (1710-2010) in East Central Asia and linkages with atmospheric circulation recorded in tree-ring O-18
Xu, GB (Xu, Guobao)[ 1,2,3 ] ;  Liu, XH (Liu, Xiaohong)[ 1,4 ] ;  Trouet, V (Trouet, Valerie)[ 5 ] ;  Treydte, K (Treydte, Kerstin)[ 6 ] ;  Wu, GJ (Wu, Guoju)[ 1 ] ;  Chen, T (Chen, Tuo)[ 1 ] ;  Sun, WZ (Sun, Weizhen)[ 1 ] ;  An, WL (An, Wenling)[ 1 ] ;  Wang, WZ (Wang, Wenzhi)[ 1 ] ;  Zeng, XM (Zeng, Xiaomin)[ 1,4 ] ;  Qin, DH(Qin, Dahe)[ 1 ]
2019-01
Source PublicationCLIMATE DYNAMICS
Volume52Issue:1-2Pages:713-727
Contribution Rank2
AbstractDrought occurrence and duration in central Asia are of important socioeconomic, ecological, and geophysical significance and have received increasing research attention in recent years. Understanding long-term drought trends and their driving forces require reliable records of past drought variability with broad spatial representativeness. Here, we compiled four tree-ring O-18 records from eastern central Asia (ECA) and composited them into a drought-sensitive proxy to explore regional ECA moisture variations over the past 301years (1710-2010 CE). A robust regional standardized precipitation-evapotranspiration index (SPEI) reconstruction was established based on the tree-ring cellulose O-18 fractionation mechanism and statistically significant proxy-climate relationships. We identified prominent droughts in 1710-1770, 1810-1830, and the beginning of the twenty-first century, and a regime shift to a persistently wet period from the 1880s to 2000. Our reconstruction reveals the impact of drought and pluvial patterns on the decline of Zhungar Empire, and on historical agricultural and socio-economical activities, including increased migration into ECA during the 1770-1800 pluvial. Our findings also suggest that wet conditions in the twentieth century in ECA were related to a strengthening of the westerly circulation and thus shed light on large-scale atmospheric circulation dynamics in central Asia.
KeywordATLANTIC OSCILLATION INDEX TIANSHAN MOUNTAINS CLIMATE-CHANGE NORTHWESTERN CHINA TIBETAN PLATEAU ISOTOPE RATIOS RECONSTRUCTION SUMMER PRECIPITATION DELTA-O-18
DOI10.1007/s00382-018-4215-2
Language英语
WOS IDWOS:000460619200041
PublisherSPRINGER
Citation statistics
Cited Times:3[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ieecas.cn/handle/361006/11265
Collection黄土与第四纪地质国家重点实验室(2010~)
Affiliation1.Chinese Acad Sci, Northwest Inst Ecoenvironm & Resources, State Key Lab Cryospher Sci, Lanzhou 730000, Gansu, Peoples R China
2.Chinese Acad Sci, Inst Earth Environm, State Key Lab Loess & Quaternary Geol, Xian 710075, Shaanxi, Peoples R China
3.China Meteorol Adm, Key Lab Tree Ring Phys & Chem Res, Urumqi 830002, Peoples R China
4.Shaanxi Normal Univ, Sch Geog & Tourism, Xian 710119, Shaanxi, Peoples R China
5.Univ Arizona, Lab Tree Ring Res, Tucson, AZ 85721 USA
6.Swiss Fed Res Inst WSL, Dendrosci Grp, Zurcherstr 111, CH-8903 Birmensdorf, Switzerland
Recommended Citation
GB/T 7714
Xu, GB , Liu, XH , Trouet, V ,et al. Regional drought shifts (1710-2010) in East Central Asia and linkages with atmospheric circulation recorded in tree-ring O-18[J]. CLIMATE DYNAMICS,2019,52(1-2):713-727.
APA Xu, GB ., Liu, XH ., Trouet, V ., Treydte, K ., Wu, GJ .,...& Qin, DH.(2019).Regional drought shifts (1710-2010) in East Central Asia and linkages with atmospheric circulation recorded in tree-ring O-18.CLIMATE DYNAMICS,52(1-2),713-727.
MLA Xu, GB ,et al."Regional drought shifts (1710-2010) in East Central Asia and linkages with atmospheric circulation recorded in tree-ring O-18".CLIMATE DYNAMICS 52.1-2(2019):713-727.
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