GSTDTAP
DOI10.1002/joc.6399
Multi-century drought variability in the southern Min Mountains
Yan, Xiaoya; Deng, Yang; Fan, Haowen; Su, Jiajia; Gao, Linlin; Gou, Xiaohua
2019-12-05
发表期刊INTERNATIONAL JOURNAL OF CLIMATOLOGY
ISSN0899-8418
EISSN1097-0088
出版年2019
文章类型Article;Early Access
语种英语
国家Peoples R China
英文摘要

Information on moisture variability is important for climate adaptation and planning, which is urgently needed for the Jiuzhaigou County after it was hit by a magnitude 7.0 earthquake in August 2017, resulting in potential interactions between the earth surface processes and the hydroclimate. To study the regional hydroclimatic history beyond instrumental records, the first tree-ring hydroclimate reconstruction, based on Pinus tabuliformis, was conducted in the southern Min Mountains, which is situated close to the areas affected by the Jiuzhaigou earthquake. The reconstruction, spanning from 1684 to 2017, explained 59% of the variance for May-August standardized precipitation evapotranspiration index at a 12-month scale during 1962-2017. The recent drought, which occurred from 1992 to 2017 was the longest in duration, largest in magnitude, and had the second highest intensity. The most severe single year drought occurred in 1824, which was lower than the long-term mean by 4 sigma and affected several regions in and around the Northeast Qinghai-Tibet Plateau. The drought reconstruction was consistent with other moisture reconstructions, but dissimilar were also exist during some periods. There was a significant correlation between drought reconstruction and sea surface temperature over many oceans. However, the correlations were unstable over time. This study suggests the importance of developing a density tree-ring network to identify the spatial and temporal drought variability, as well as long-term record for understanding regional climate dynamics.


英文关键词drought variability reconstruction southern Min Mountains SPEI tree-ring
领域气候变化
收录类别SCI-E
WOS记录号WOS:000500750200001
WOS关键词NORTHEASTERN TIBETAN PLATEAU ; TREE-RINGS ; PRECIPITATION ; PACIFIC ; DENDROCLIMATOLOGY ; RECONSTRUCTION ; LINKAGES ; CHINA ; SHIFT
WOS类目Meteorology & Atmospheric Sciences
WOS研究方向Meteorology & Atmospheric Sciences
引用统计
文献类型期刊论文
条目标识符http://119.78.100.173/C666/handle/2XK7JSWQ/225503
专题环境与发展全球科技态势
作者单位Lanzhou Univ, Coll Earth Environm Sci, MOE Key Lab Western Chinas Environm Syst, Lanzhou, Gansu, Peoples R China
推荐引用方式
GB/T 7714
Yan, Xiaoya,Deng, Yang,Fan, Haowen,et al. Multi-century drought variability in the southern Min Mountains[J]. INTERNATIONAL JOURNAL OF CLIMATOLOGY,2019.
APA Yan, Xiaoya,Deng, Yang,Fan, Haowen,Su, Jiajia,Gao, Linlin,&Gou, Xiaohua.(2019).Multi-century drought variability in the southern Min Mountains.INTERNATIONAL JOURNAL OF CLIMATOLOGY.
MLA Yan, Xiaoya,et al."Multi-century drought variability in the southern Min Mountains".INTERNATIONAL JOURNAL OF CLIMATOLOGY (2019).
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