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Similarities and differences in driving factors of precipitation changes on the western Loess Plateau and the northeastern Tibetan Plateau at different timescales
Sun, Changfeng1,2; Liu, Yu1,2,3; Cai, Qiufang1,2; Li, Qiang1,2; Song, Huiming1,2; Fang, Congxi1; Liu, Ruoshi3
Corresponding AuthorSun, Changfeng(suncf@ieecas.cn) ; Liu, Yu(liuyu@loess.llqg.ac.cn)
2020-08-28
Source PublicationCLIMATE DYNAMICS
ISSN0930-7575
Pages14
AbstractClimate change constitutes the superposition of climatic variations at different timescales and is affected by driving factors at multiple scales. Therefore, clarifying the changes in and driving factors of the climate at different timescales is crucial for climate predictions. Here, using the ensemble empirical mode decomposition method, we obtained four components of the western Loess Plateau (WLP) precipitation at the interannual, interdecadal, multidecadal and centennial scales and the long-term change trend, which accounted for 40.4, 33.5, 11.5, 11.6 and 3.0%, respectively, of the total variance in the tree-ring-based precipitation reconstruction during 1566-2013 AD. El Nino-Southern Oscillation (ENSO), the Pacific Decadal Oscillation (PDO) and the Atlantic Multidecadal Variability (AMV) mainly affected the interannual-decadal, multidecadal and centennial changes, respectively, before increasing anthropogenic aerosol emissions began influencing the WLP precipitation. Using the same method, we also obtained four components of the precipitation on the northeastern Tibetan Plateau (NETP) at different timescales and found that the interannual-decadal and multidecadal changes in the precipitation on the NETP exhibited good relationships with the changes in the WLP precipitation over the past four centuries and were also mainly affected by ENSO and the PDO, respectively. The correlation between the WLP and NETP precipitation at the centennial scale was mainly positive, and the precipitation relationship between these two regions was affected by solar radiation and the AMV to some extent. However, due to the effects of global warming on NETP precipitation and the effects of increasing anthropogenic aerosols on WLP precipitation, this correlation has become negative in recent decades, indicating that without the influences of human activities, the precipitation on the WLP would be positively related to the NETP precipitation.
KeywordTree ring Precipitation change Ensemble empirical mode decomposition Loess plateau Tibetan plateau Human activities
DOI10.1007/s00382-020-05429-6
WOS KeywordASIAN SUMMER MONSOON ; TREE-RING WIDTH ; CLIMATE VARIABILITY ; SCALE ; PACIFIC ; RECONSTRUCTIONS ; TELECONNECTION ; OSCILLATION ; RECORDS
Indexed BySCI ; SCI
Language英语
Funding ProjectNational Natural Science Foundation of China[41902189] ; National Natural Science Foundation of China[41630531] ; Chinese Academy of Sciences[XDB40010300] ; Chinese Academy of Sciences[QYZDJ-SSW-DQC021] ; Natural Science Basic Research Plan in Shaanxi Province of China[2019JQ-932]
WOS Research AreaMeteorology & Atmospheric Sciences
Funding OrganizationNational Natural Science Foundation of China ; Chinese Academy of Sciences ; Natural Science Basic Research Plan in Shaanxi Province of China
WOS SubjectMeteorology & Atmospheric Sciences
WOS IDWOS:000563843100002
PublisherSPRINGER
Citation statistics
Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ieecas.cn/handle/361006/15201
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 AuthorSun, Changfeng; Liu, Yu
Affiliation1.Chinese Acad Sci, Inst Earth Environm, State Key Lab Loess & Quaternary Geol, Xian 710061, Peoples R China
2.Chinese Acad Sci, CAS Ctr Excellence Quaternary Sci & Global Change, Xian 710061, Peoples R China
3.Xi An Jiao Tong Univ, Sch Human Settlements & Civil Engn, Xian 710049, Peoples R China
Recommended Citation
GB/T 7714
Sun, Changfeng,Liu, Yu,Cai, Qiufang,et al. Similarities and differences in driving factors of precipitation changes on the western Loess Plateau and the northeastern Tibetan Plateau at different timescales[J]. CLIMATE DYNAMICS,2020:14.
APA Sun, Changfeng.,Liu, Yu.,Cai, Qiufang.,Li, Qiang.,Song, Huiming.,...&Liu, Ruoshi.(2020).Similarities and differences in driving factors of precipitation changes on the western Loess Plateau and the northeastern Tibetan Plateau at different timescales.CLIMATE DYNAMICS,14.
MLA Sun, Changfeng,et al."Similarities and differences in driving factors of precipitation changes on the western Loess Plateau and the northeastern Tibetan Plateau at different timescales".CLIMATE DYNAMICS (2020):14.
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