globalchange  > 气候减缓与适应
DOI: 10.1002/2014GL061268
论文题名:
Temperature reconstructions from tree-ring densities overestimate volcanic cooling
作者: Tingley M.P.; Stine A.R.; Huybers P.
刊名: Geophysical Research Letters
ISSN: 0094-9589
EISSN: 1944-9320
出版年: 2014
卷: 41, 期:22
起始页码: 7838
结束页码: 7845
语种: 英语
英文关键词: paleoclimate ; spatial modeling ; tree rings ; volcanic cooling
Scopus关键词: Atmospheric temperature ; Trees (mathematics) ; Volcanoes ; Instrumental data ; Light availability ; Northern Hemispheres ; Paleoclimates ; Spatial modeling ; Temperature reconstruction ; Tree ring records ; Tree rings ; Forestry ; light availability ; magnitude ; Northern Hemisphere ; numerical model ; paleoclimate ; reconstruction ; temperature effect ; tree ring ; volcanic eruption ; volcanology ; Cooling ; Rings ; Temperature ; Volcanism
英文摘要: The fidelity of inferences on volcanic cooling from tree-ring density records has recently come into question, with competing claims that temperature reconstructions based on tree-ring records underestimate cooling due to an increased likelihood of missing rings or overestimate cooling due to reduced light availability accentuating the response. Here we test these competing hypotheses in the latitudes poleward of 45°N, using the two eruptions occurring between 1850 and 1960 with large-scale Northern Hemisphere climatic effects: Novarupta (1912) and Krakatau (1883). We find that tree-ring densities overestimate postvolcanic cooling with respect to instrumental data (Probability≥0.99), with larger magnitudes of bias where growth is more limited by light availability (Prob.≥0.95). Using a methodology that allows for direct comparisons with instrumental data, our results confirm that high-latitude tree-ring densities record not only temperature but also variations in light availability. © 2014. American Geophysical Union. All Rights Reserved.
URL: https://www.scopus.com/inward/record.uri?eid=2-s2.0-84923338486&doi=10.1002%2f2014GL061268&partnerID=40&md5=c9ee9c43b7c79b721bced38e377c31ec
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/6853
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作者单位: Department of Meteorology, Pennsylvania State University, State College, PA, United States

Recommended Citation:
Tingley M.P.,Stine A.R.,Huybers P.. Temperature reconstructions from tree-ring densities overestimate volcanic cooling[J]. Geophysical Research Letters,2014-01-01,41(22).
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