globalchange  > 过去全球变化的重建
DOI: 10.1007/s00382-015-2694-y
Scopus记录号: 2-s2.0-84930792325
论文题名:
Patterns of moisture source and climate variability in the southeastern United States: A four-century seasonally resolved tree-ring oxygen-isotope record
作者: Labotka D.M.; Grissino-Mayer H.D.; Mora C.I.; Johnson E.J.
刊名: Climate Dynamics
ISSN: 9307575
出版年: 2016
卷: 46, 期:2017-07-08
起始页码: 2145
结束页码: 2154
语种: 英语
英文关键词: Climate oscillations ; Oxygen isotopes ; Paleoclimate ; Tree rings
英文摘要: This study presents a climate reconstruction utilizing a seasonally resolved 417-year oxygen-isotope record of tree rings from southern Georgia, United States (1580-1997 CE). Oxygen isotopes within the cellulose predominately reflect moisture source observed on a seasonal scale between earlywood and latewood growth. Signatures of large climate oscillations were captured in modern and subfossil wood. Spectral and wavelet transform analyses of seasonally resolved oxygen isotopes showed distinct periodicities coinciding with the Atlantic multidecadal oscillation and other major climate oscillation phenomena. Oxygen-isotope values in latewood growth revealed a significant correlation with North Atlantic sea surface temperature anomalies. This correlation suggests that the precipitation source was strongly influenced by fluctuations in the Atlantic multidecadal oscillation and teleconnections with other major climate phenomena such as the North Atlantic subtropical high-pressure system, El Niño Southern Oscillation, and Pacific Decadal Oscillation. These results emphasize the utility of oxygen isotopes in tree rings for revealing seasonal influences associated with major climate drivers over centuries and enhance our understanding of long-term climate behavior on a detailed scale. © Springer-Verlag Berlin Heidelberg 2015.
资助项目: NSF, National Science Foundation ; NSF, National Science Foundation
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/53687
Appears in Collections:过去全球变化的重建

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作者单位: Illinois State Geological Survey, Prairie Research Institute, University of Illinois, 615 E. Peabody Drive, Champaign, IL, United States; Department of Geography, University of Tennessee, Knoxville, TN, United States; Earth and Environmental Sciences Division, Los Alamos National Laboratory, Los Alamos, NM, United States; Department of Earth and Planetary Sciences, University of Tennessee, Knoxville, TN, United States

Recommended Citation:
Labotka D.M.,Grissino-Mayer H.D.,Mora C.I.,et al. Patterns of moisture source and climate variability in the southeastern United States: A four-century seasonally resolved tree-ring oxygen-isotope record[J]. Climate Dynamics,2016-01-01,46(2017-07-08)
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