DOI: 10.1016/j.gloplacha.2015.08.002
论文题名: A method to separate temperature and precipitation signals encoded in tree-ring widths for the western Tien Shan Mountains, northwest China
作者: Liu W. ; Gou X. ; Li J. ; Huo Y. ; Fang K.
刊名: Global and Planetary Change
ISSN: 0921-8181
出版年: 2015
卷: 133 起始页码: 141
结束页码: 148
语种: 英语
英文关键词: Climate reconstruction
; Climate signals
; Dendroclimatology
; Tien Shan Mountains
; Timberline
; Tree rings
Scopus关键词: Frequency bands
; Landforms
; Separation
; Climate reconstruction
; Climate signals
; Dendroclimatology
; Tien Shan Mountains
; Timberline
; Tree rings
; Forestry
; coniferous tree
; dendrochronology
; dendroclimatology
; frequency analysis
; precipitation (climatology)
; reconstruction
; temperature effect
; tree ring
; treeline
; Climates
; Forests
; Mountains
; Rings
; Trees
; Tien Shan
; Picea
; Picea schrenkiana
英文摘要: Separating temperature and precipitation signals encoded in tree rings is a complicated issue. Here, we present a separation method by combining two tree-ring width chronologies of Schrenk's spruce (Picea schrenkiana) from the upper and lower timberlines in the western Tien Shan Mountains, northwest China. Correlation analyses show that both chronologies correlate positively with precipitation. However, temperature correlates positively with the chronology from the upper timberline, while negatively with the chronology from the lower timberline. This suggests that the two chronologies contain similar precipitation information but opposite temperature signals. In light of this, we calculated the average and difference of the two chronologies, and found that each of them has a much stronger correlation with precipitation or temperature alone. Finally, we reconstructed local precipitation and temperature variations over the past 201. years by using the average and difference of the two chronologies. The two reconstructions do not have a significant correlation, but they have significant positive and negative relationships on the high- and low-frequency band, respectively. © 2015 Elsevier B.V. URL: https://www.scopus.com/inward/record.uri?eid=2-s2.0-84939809207&doi=10.1016%2fj.gloplacha.2015.08.002&partnerID=40&md5=629fbc1daef7a535cf4a6a1d349e0216
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/11474
Appears in Collections: 全球变化的国际研究计划 气候变化与战略
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作者单位: Key Laboratory of Western China's Environmental Systems (MOE), College of Earth and Environmental Sciences, Lanzhou University, Lanzhou, China
Recommended Citation:
Liu W.,Gou X.,Li J.,et al. A method to separate temperature and precipitation signals encoded in tree-ring widths for the western Tien Shan Mountains, northwest China[J]. Global and Planetary Change,2015-01-01,133.