globalchange  > 气候变化事实与影响
Scopus记录号: 2-s2.0-85046630868
论文题名:
Interdecadal modulation of the Atlantic Multi-decadal Oscillation (AMO) on southwest China’s temperature over the past 250 years
作者: Fang K.; Guo Z.; Chen D.; Wang L.; Dong Z.; Zhou F.; Zhao Y.; Li J.; Li Y.; Cao X.
刊名: Climate Dynamics
ISSN: 9307575
出版年: 2019
卷: 52, 期:2019-03-04
起始页码: 2055
结束页码: 2065
语种: 英语
英文关键词: Atlantic Multi-decadal Oscillation ; Indian summer monsoon ; Southwestern China ; Temperature ; Tree ring
Scopus关键词: Abies fabri
英文摘要: The temperature gradient between southwestern China and Indian Ocean is one key driver of the Indian Summer Monsoon, suggesting the necessity to understand temperature variability in southwestern China. Contrary to the general warming experienced in most of China, a few regions in southwestern China have undergone a cooling trend since the 1950s. To place this cooling trend in a historical context, this study develops an Abies fabri tree-ring width chronology in the Sichuan Basin, the most populated region in southwest China. The chronology spans from 1590 to 2012, with its reliable portion from 1758 to 2012, by far the longest in the Sichuan Basin. To better extract regional climate signals encoded in tree rings with strong local disturbances, we incorporate climate signals of nearby tree-ring chronologies to generate a large-scale tree-ring chronology (LSC). The LSC shows higher correlations with temperature near the sampling site on Mount Emei and sea surface temperatures of the northern Atlantic Ocean than chronologies developed using traditional methods. The highest correlations between the LSC and temperature are found from current February to July in the Sichuan Basin for the period 1901–1950 (r = 0.70), with a sharp decrease afterwards. Interdecadal variations of the LSC match well with Atlantic Multi-decadal Oscillation reconstructions, except for the late nineteenth century and after ~ 1980s. This study provides evidence that southwest China is a transitional region both affected by the interdecadal temperature variations of the northern Atlantic and Asian areas, although their influences weakened in recent possible due to enhanced human activities. © 2018, Springer-Verlag GmbH Germany, part of Springer Nature.
资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/122419
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作者单位: Institute of Geography, Key Laboratory of Humid Subtropical Eco-geographical Process (Ministry of Education), College of Geographical Sciences, Fujian Normal University, Fuzhou, 350007, China; Regional Climate Group, Department of Earth Sciences, University of Gothenburg, 460, Gothenburg, 405 30, Sweden; University of Chinese Academy of Sciences, Beijing, 100049, China; Key Laboratory of Cenozoic Geology and Environment, Institute of Geology and Geophysics, Chinese Academy of Sciences, Beijing, 100029, China; CAS Center for Excellence in Tibetan Plateau Earth Sciences, Beijing, 100101, China; Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing, 100101, China; Department of Geography, University of Hong Kong, Pokfulam, Hong Kong

Recommended Citation:
Fang K.,Guo Z.,Chen D.,et al. Interdecadal modulation of the Atlantic Multi-decadal Oscillation (AMO) on southwest China’s temperature over the past 250 years[J]. Climate Dynamics,2019-01-01,52(2019-03-04)
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