globalchange  > 气候减缓与适应
DOI: 10.1016/j.quascirev.2018.07.021
Scopus ID: 2-s2.0-85049992166
High resolution monsoon precipitation changes on southeastern Tibetan Plateau over the past 2300 years
Author: Tan L.; Cai Y.; Cheng H.; Edwards L.R.; Lan J.; Zhang H.; Li D.; Ma L.; Zhao P.; Gao Y.
Source Publication: Quaternary Science Reviews
ISSN: 2773791
Publishing Year: 2018
Volume: 195
pages begin: 122
pages end: 132
Language: 英语
Keyword: Monsoon precipitation ; Southwestern China ; Spatial pattern ; Stalagmite ; Tibetan plateau
Scopus Keyword: Atmospheric thermodynamics ; Drought ; Economic and social effects ; Fighter aircraft ; Rain ; Solar energy ; Solar radiation ; Spectrum analysis ; Monsoon precipitation ; Southwestern China ; Spatial patterns ; Stalagmite ; Tibetan Plateau ; Climate change ; cave ; climate change ; climate effect ; drought ; monsoon ; Pleistocene ; precipitation (climatology) ; socioeconomic conditions ; stalagmite ; westerly ; China ; Sichuan
English Abstract: Climate changes on Southeastern Tibetan Plateau have important impacts on social and economic development, as well as the ecosystem of southwestern China and Indo-China Peninsula. Here, we collected two stalagmites from Shenqi (Miraculous) cave in southern Sichuan, China. The stalagmite δ18O record shows good coherence with local instrumental rainfall record, as well as tree ring- and pollen-based moisture reconstructions from southeastern Tibetan Plateau during overlapped time periods. As a result, we reconstructed high-resolution (∼4.9 yrs) monsoon precipitation variations on southeastern Tibetan Plateau over the past 2300 years by using the combined stalagmite δ18O record. The result reveals an overall decreasing precipitation trend, with two most notable wet periods occurred in 60–280 AD and 370–510 AD. The most remarkably dry period is the recent 200 years. Some decadal scale wet and dry intervals were also identified. The abnormal drought during 1160–1245 AD might have accelerated Dali kingdom's demise at 1253 AD. Power spectrum analysis indicated significant 373-, 187-, 22-, 12- and 11- yr cycles in our stalagmite record, suggesting the impact of solar activity. Increased monsoon precipitation on southeastern TP was observed in solar activity minima during the last millennium. We further synthesized an integrated precipitation record for southwestern China and discussed spatial patterns of precipitation over China during the last two millennia. The comparisons confirm a “dry southern and wet northern” pattern in monsoonal China during the Medieval Warm Period and a “wet southern and dry northern” pattern during the Little Ice Age and Dark Age Cold Period. Solar activity, the strength of westerly jet and summer monsoon, as well as the SST of tropical Indo-Pacific might play important roles on the rainfall spatial patterns over monsoonal China during the last 2000 years. © 2018
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被引频次[WOS]:14   [查看WOS记录]     [查看WOS中相关记录]
Document Type: 期刊论文
Appears in Collections:气候减缓与适应

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Affiliation: State Key Laboratory of Loess and Quaternary Geology, Institute of Earth Environment, Chinese Academy of Sciences, Xi'an, 710075, China; Institute of Global Environmental Change, Xi'an Jiaotong University, Xi'an, 710049, China; Open Studio for Oceanic-Continental Climate and Environment Changes, Qingdao National Laboratory for Marine Science and Technology, Qingdao, 266061, China; Department of Earth Sciences, University of Minnesota, Minneapolis, 55455, United States; Department of Geological Sciences, University of Texas at San Antonio, San Antonio, 78249, United States

Recommended Citation:
Tan L.,Cai Y.,Cheng H.,et al. High resolution monsoon precipitation changes on southeastern Tibetan Plateau over the past 2300 years[J]. Quaternary Science Reviews,2018-01-01,195
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