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Summer mean temperature reconstruction during the past 285 years based on tree-ring in northern Gaoligong Mountains, northwestern Yunnan of China
Zhao, Yijin; Keyimu, Maierdang; Li, Zongshan; Chen, Yongzhe; Wei, Jingshu; Wang, Xiaochun; Fan, Zexin
2020-01-02
Source PublicationGEOGRAFISKA ANNALER SERIES A-PHYSICAL GEOGRAPHY
ISSN0435-3676
Volume103Issue:1Pages:69-82
AbstractHistorical temperature reconstructions enable us to understand the long-term thermal variation feature of a region. We developed a tree-ring width chronology of the coniferous species Tsuga dumosa (D. Don) Eichler (Himalayan Hemlock) growing in the northern Gaoligong Mountains, northwestern Yunnan province of China. The climate-tree growth relationship analysis indicated that summer mean temperature was the main limiting factor of the radial growth of Himalayan Hemlock. Accordingly, using a linear regression model, we reconstructed the historical summer mean temperature time series spanning A.D. 1720-2005, which could account for 35.56% of the observedtemperature variance. Based on the reconstruction, the most obvious warme periods were identified as 1715-1730s, 1900-1910, 1920-1940 and 1980-2005, while the main cold episodes were 1740s-1750s, 1810s-1830s, 1910s-1920s and 1940s-1970s. Wavelet and correlation analyses indicated the existence of several interannual (2-4 years and 5.5 years) and decadal (8-12years) cycles in the variation of summer mean temperature, which probably related to El Nino-Southern Oscillation (ENSO), Pacific Decadal Oscillation (PDO), and solar activity.
Department城市与区域生态国家重点实验室
KeywordTree ring width Temperature reconstruction Himalayan hemlock Northwestern Yunnan
Document Type期刊论文
Identifierhttp://ir.rcees.ac.cn/handle/311016/44473
Collection城市与区域生态国家重点实验室
Recommended Citation
GB/T 7714
Zhao, Yijin,Keyimu, Maierdang,Li, Zongshan,et al. Summer mean temperature reconstruction during the past 285 years based on tree-ring in northern Gaoligong Mountains, northwestern Yunnan of China[J]. GEOGRAFISKA ANNALER SERIES A-PHYSICAL GEOGRAPHY,2020,103(1):69-82.
APA Zhao, Yijin.,Keyimu, Maierdang.,Li, Zongshan.,Chen, Yongzhe.,Wei, Jingshu.,...&Fan, Zexin.(2020).Summer mean temperature reconstruction during the past 285 years based on tree-ring in northern Gaoligong Mountains, northwestern Yunnan of China.GEOGRAFISKA ANNALER SERIES A-PHYSICAL GEOGRAPHY,103(1),69-82.
MLA Zhao, Yijin,et al."Summer mean temperature reconstruction during the past 285 years based on tree-ring in northern Gaoligong Mountains, northwestern Yunnan of China".GEOGRAFISKA ANNALER SERIES A-PHYSICAL GEOGRAPHY 103.1(2020):69-82.
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