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A Picea crassifolia Tree-Ring Width-Based Temperature Reconstruction for the Mt. Dongda Region, Northwest China, and Its Relationship to Large-Scale Climate Forcing
Liu, Yu1,2,3; Sun, Changfeng1,2; Li, Qiang2,3; Cai, Qiufang2
2016-08-10
Source PublicationPLOS ONE
Volume11Issue:8
SubtypeArticle
AbstractThe historical May-October mean temperature since 1831 was reconstructed based on tree-ring width of Qinghai spruce (Picea crassifolia Kom.) collected on Mt. Dongda, North of the Hexi Corridor in Northwest China. The regression model explained 46.6% of the variance of the instrumentally observed temperature. The cold periods in the reconstruction were 1831-1889, 1894-1901, 1908-1934 and 1950-1952, and the warm periods were 1890-1893, 1902-1907, 1935-1949 and 1953-2011. During the instrumental period (1951-2011), an obvious warming trend appeared in the last twenty years. The reconstruction displayed similar patterns to a temperature reconstruction from the east-central Tibetan Plateau at the inter-decadal timescale, indicating that the temperature reconstruction in this study was a reliable proxy for Northwest China. It was also found that the reconstruction series had good consistency with the Northern Hemisphere temperature at a decadal timescale. Multi-taper method spectral analysis detected some low-and high-frequency cycles (2.3-2.4-year, 2.8-year, 3.4-3.6-year, 5.0-year, 9.9-year and 27.0-year). Combining these cycles, the relationship of the low-frequency change with the Pacific Decadal Oscillation (PDO), North Atlantic Oscillation (NAO) and Southern Oscillation (SO) suggested that the reconstructed temperature variations may be related to large-scale atmospheric-oceanic variations. Major volcanic eruptions were partly reflected in the reconstructed temperatures after high-pass filtering; these events promoted anomalous cooling in this region. The results of this study not only provide new information for assessing the long-term temperature changes in the Hexi Corridor of Northwest China, but also further demonstrate the effects of large-scale atmospheric-oceanic circulation on climate change in Northwest China.
WOS HeadingsScience & Technology
DOI10.1371/journal.pone.0160963
WOS KeywordNORTHEASTERN TIBETAN PLATEAU ; NORTHERN-HEMISPHERE TEMPERATURE ; MEAN MAXIMUM TEMPERATURE ; INNER-MONGOLIA ; LAST MILLENNIUM ; ATLANTIC OSCILLATION ; ANNUAL PRECIPITATION ; PINUS-TABULAEFORMIS ; PAST MILLENNIUM ; VARIABILITY
Indexed BySCI
Language英语
WOS Research AreaScience & Technology - Other Topics
WOS SubjectMultidisciplinary Sciences
WOS IDWOS:000381380400072
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ieecas.cn/handle/361006/5691
Collection现代环境研究室
Affiliation1.Xi An Jiao Tong Univ, Dept Earth & Environm Sci, Sch Human Settlements & Civil Engn, Xian 710049, Peoples R China
2.Chinese Acad Sci, State Key Lab Loess & Quaternary Geol, Inst Earth Environm, Xian 710061, Peoples R China
3.Beijing Normal Univ, JCGCS, Beijing 100875, Peoples R China
Recommended Citation
GB/T 7714
Liu, Yu,Sun, Changfeng,Li, Qiang,et al. A Picea crassifolia Tree-Ring Width-Based Temperature Reconstruction for the Mt. Dongda Region, Northwest China, and Its Relationship to Large-Scale Climate Forcing[J]. PLOS ONE,2016,11(8).
APA Liu, Yu,Sun, Changfeng,Li, Qiang,&Cai, Qiufang.(2016).A Picea crassifolia Tree-Ring Width-Based Temperature Reconstruction for the Mt. Dongda Region, Northwest China, and Its Relationship to Large-Scale Climate Forcing.PLOS ONE,11(8).
MLA Liu, Yu,et al."A Picea crassifolia Tree-Ring Width-Based Temperature Reconstruction for the Mt. Dongda Region, Northwest China, and Its Relationship to Large-Scale Climate Forcing".PLOS ONE 11.8(2016).
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