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| Tree rings reveal hydroclimatic fingerprints of the Pacific Decadal Oscillation on the Tibetan Plateau | |
| Lyu, Lixin; Buentgen, Ulf2,3,4; Treydte, Kerstin; Yu, Kailiang5; Liang, Hanxue6; Reinig, Frederick; Nievergelt, Daniel; Li, Mai-He; Cherubini, Paolo1 | |
| 2019 | |
| 发表期刊 | CLIMATE DYNAMICS
 |
| ISSN | 0930-7575 |
| 卷号 | 53期号:1-2页码:1023-1037 |
| 摘要 | Predicting hydroclimatic changes on the Tibetan Plateau (TP) is crucial for managing water and ecosystems for the well-being of millions of people. Our understanding of the synoptic conditions on the TP is, however, still limited due to the paucity of meteorological measurements and proxy-based, high-resolution climate reconstructions. Here, we use state-of-the-art dendroclimatological techniques to investigate the paleoclimatic potential of drought-sensitive Picea likiangensis var. balfouriana forests between 4000 and 4500m asl on the southeastern TP (SETP). The newly developed tree-ring width chronology correlates significantly with yearly changes in regional relative air humidity (RH) (r=0.85, P<0.001, 1978-2011). A new 407-year-long reconstruction of RH over the hydrological year from previous year August to July of the year of ring formation shows that, despite the generally humid conditions, four of the ten driest years are observed in the twentieth century with 1983 having been the driest. On the other hand, seven out of the ten most humid years were found in the eighteenth century. Our reconstruction reveals that the Pacific Decadal Oscillation (PDO) is the dominant climate driver at multi-decadal scales, but the relationships are not stable over time, with unknown underlying mechanisms. Although our study demonstrates the importance of the PDO for hydroclimate projections on the TP, caution is advised when considering only its most recent fluctuations. |
| 关键词 | Climate dynamics Dendroclimatology Drought extremes Hydroclimate Proxy reconstruction Relative humidity Tree rings |
| 学科领域 | Meteorology & Atmospheric Sciences |
| DOI | 10.1007/s00382-019-04629-z |
| 收录类别 | SCI |
| 语种 | 英语 |
| WOS关键词 | VAPOR-PRESSURE DEFICIT ; ASIAN SUMMER MONSOON ; TEMPERATURE RECONSTRUCTION ; RELATIVE-HUMIDITY ; SYGERA MOUNTAIN ; CLIMATE-CHANGE ; EL-NINO ; VARIABILITY ; DROUGHT ; MORTALITY |
| WOS研究方向 | Meteorology & Atmospheric Sciences |
| WOS记录号 | WOS:000471722400059 |
| 出版者 | SPRINGER |
| 文献子类 | Article |
| 出版地 | NEW YORK |
| EISSN | 1432-0894 |
| 资助机构 | Natural Science Foundation of ChinaNational Natural Science Foundation of China (NSFC) [31330015, 41771060] ; China Scholarship CouncilChina Scholarship Council [201770490418] |
| 作者邮箱 | lixinlv@ibcas.ac.cn |
| 引用统计 | |
| 文献类型 | 期刊论文 |
| 条目标识符 | http://ir.ibcas.ac.cn/handle/2S10CLM1/19738 |
| 专题 | 植被与环境变化国家重点实验室 |
| 作者单位 | 1.Chinese Acad Sci, State Key Lab Vegetat & Environm Change, Inst Bot, 20 Nanxincun, Beijing 100093, Peoples R China 2.Swiss Fed Res Inst WSL, Zurcherstr 111, CH-8903 Birmensdorf, Switzerland 3.Univ Cambridge, Dept Geog, Downing Pl, Cambridge CB2 3EN, England 4.Global Change Res Ctr CzechGlobe, Belidla 986-4a, Brno 60300, Czech Republic 5.Masaryk Univ, Fac Sci, Dept Geog, Kotlarska 2, Brno 61300, Czech Republic 6.Swiss Fed Inst Technol, Inst Integrat Biol, Univ Str 16, CH-8006 Zurich, Switzerland 7.Chinese Acad Sci, South China Bot Garden, Key Lab Vegetat Restorat & Management Degraded Ec, 723 Xingke Rd, Guangzhou 510650, Guangdong, Peoples R China |
| 推荐引用方式 GB/T 7714 | Lyu, Lixin,Buentgen, Ulf,Treydte, Kerstin,et al. Tree rings reveal hydroclimatic fingerprints of the Pacific Decadal Oscillation on the Tibetan Plateau[J]. CLIMATE DYNAMICS,2019,53(1-2):1023-1037. |
| APA | Lyu, Lixin.,Buentgen, Ulf.,Treydte, Kerstin.,Yu, Kailiang.,Liang, Hanxue.,...&Cherubini, Paolo.(2019).Tree rings reveal hydroclimatic fingerprints of the Pacific Decadal Oscillation on the Tibetan Plateau.CLIMATE DYNAMICS,53(1-2),1023-1037. |
| MLA | Lyu, Lixin,et al."Tree rings reveal hydroclimatic fingerprints of the Pacific Decadal Oscillation on the Tibetan Plateau".CLIMATE DYNAMICS 53.1-2(2019):1023-1037. |
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| Lyu-2019-Tree rings （3924KB） | 期刊论文 | 出版稿 | 开放获取 | CC BY-NC-SA | 浏览 请求全文 | |
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