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学科主题: 地理学::自然地理学
题名: Reconstruction of biological drought conditions during the past 2847 years in an alpine environment of the northeastern Tibetan Plateau, China, and possible linkages to solar forcing
作者: Yin, ZY (Yin, Zhi-Yong)1, 2; Zhu, HF (Zhu, Haifeng)3, 5; Huang, L (Huang, Lei)4; Shao, XM (Shao, Xuemei)1, 5
通讯作者: Shao, XM
刊名: GLOBAL AND PLANETARY CHANGE
发表日期: 2016
DOI: 10.1016/j.gloplacha.2016.04.010
卷: 143, 期:0, 页:214-227
收录类别: SCI
合作性质: 国际
文章类型: Article
英文摘要: In this study we reconstructed the moisture condition of the eastern Qaidam Basin of the northeastern Tibetan Plateau based on a 3585-year tree ring chronology. The growth environment of Qilian juniper (Sabina przewalskii kom.) on the mountains in the eastern Qaidam Basin was first determined by comparing precipitation and temperature estimates from two spatial datasets (PRISM and World Climate). Moisture balance was calculated as the sum of simulated moisture deficit (negative) and surplus using a modified Thornthwaite water balance model, and used as a proxy of biological drought conditions. Using data during 1956-2005, we established the transfer function to reconstruct a 2847-year series of January-June moisture balance (843 BCE-2004 CE). With an adjusted R-2 value of 0.654 of the transfer function and strong performance in validation, the reconstructed January June moisture balance can be considered an excellent indicator of biological drought conditions for the study region. The reconstructed series showed strong correlations with reconstructed PDSI in the monsoon Asian region, representing a region of 10 degrees latitudes by 20 degrees longitudes. Using the reconstructed series, we identified centennial scale dry periods since 843 BCE: 381-277 BCE, 425-520 CE, 1108-1212 CE, 1428-1516 CE, and 1634-1743 CE. Additionally it had statistically significant negative correlations with a monsoon intensity proxy based on oxygen stable isotope from southwestern China (Dongge Cave). Further analyses identified significant relationships with solar activity, especially during the last 700 years. We confirmed the similar to 200-year cyclic pattern in the reconstructed moisture balance series, which matched the known 210-year de Vries solar cycle and peaked during the Little Ice Age. However, the cyclic patterns of the reconstructed moisture balance series and solar activity were decoupled for the period prior to approx. 1300 CE. (C) 2016 Elsevier B.V. All rights reserved.
语种: 英语
WOS记录号: WOS:000380594000017
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.itpcas.ac.cn/handle/131C11/7649
Appears in Collections:图书馆_期刊论文

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作者单位: 1.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Key Lab Land Surface Pattern & Simulat, Beijing 100101, Peoples R China
2.Univ San Diego, Environm & Ocean Sci, 5998 Alcala Pk, San Diego, CA 92110 USA
3.Chinese Acad Sci, Inst Tibetan Plateau Res, Beijing 100101, Peoples R China
4.China Meteorol Adm, Natl Climate Ctr, Beijing 100081, Peoples R China
5.Chinese Acad Sci, Ctr Excellence Tibetan Plateau Earth Syst Sci, Beijing 100101, Peoples R China

Recommended Citation:
Yin, ZY ,Zhu, HF ,Huang, L ,et al. Reconstruction of biological drought conditions during the past 2847 years in an alpine environment of the northeastern Tibetan Plateau, China, and possible linkages to solar forcing[J]. GLOBAL AND PLANETARY CHANGE,2016,143(0):214-227.
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文件名: V.143 214-227 2016.pdf
格式: Adobe PDF
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