Knowledge Resource Center for Ecological Environment in Arid Area
DOI | 10.1007/s11442-019-1581-6 |
Tracking climate change in Central Asia through temperature and precipitation extremes | |
Zhang Man1,2; Chen Yaning2; Shen Yanjun3; Li Baofu4 | |
通讯作者 | Chen Yaning |
来源期刊 | JOURNAL OF GEOGRAPHICAL SCIENCES |
ISSN | 1009-637X |
EISSN | 1861-9568 |
出版年 | 2019 |
卷号 | 29期号:1页码:3-28 |
英文摘要 | Under the impacts of climate change and human activities, great uncertainties still exist in the response of climate extremes, especially in Central Asia (CA). In this study, we investigated spatial-temporal variation trends and abrupt changes in 17 indices of climate extremes, based on daily climate observations from 55 meteorological stations in CA during 1957-2005. We also speculated as to which atmospheric circulation factors had the greatest impacts on climate extremes. Our results indicated that the annual mean temperature (Tav), mean maximum and minimum temperature significantly increased at a rate of 0.32oC/10a, 0.24oC/10a and 0.41oC/10a, respectively, which was far higher than the increasing rates either globally or across the Northern Hemisphere. Other temperature extremes showed widespread significant warming trends, especially for those indices derived from daily minimum temperature. All temperature extremes exhibited spatially widespread rising trends. Compared to temperature changes, precipitation extremes showed higher spatial and temporal variabilities. The annual total precipitation significantly increased at a rate of 4.76 mm/10a, and all precipitation extremes showed rising trends except for annual maximum consecutive dry days (CDD), which significantly decreased at a rate of -3.17 days/10a. On the whole, precipitation extremes experienced slight wetter trends in the Tianshan Mountains, Kazakhskiy Melkosopochnik (Hill), the Kyzylkum Desert and most of Xinjiang. The results of Cumulative Deviation showed that Tav and Txav had a significant abrupt change around 1987, and all precipitation indices experienced abrupt changes in 1986. Spearman's correlation analysis pointed to Siberian High and Tibetan Plateau Index_B as possibly being the most important atmospheric circulation factors affecting climate extremes in CA. A full quantitative understanding of these changes is crucial for the management and mitigation of natural hazards in this region. |
英文关键词 | abrupt change atmospheric circulation climate change climate extremes spatial-temporal variability Central Asia |
类型 | Article |
语种 | 英语 |
国家 | Peoples R China |
开放获取类型 | Bronze |
收录类别 | SCI-E |
WOS记录号 | WOS:000455152500001 |
WOS关键词 | ARID REGION ; NORTHWEST ; TRENDS ; ATTRIBUTION ; IMPACTS ; CHINA ; VARIABILITY ; DYNAMICS ; RAINFALL ; DROUGHTS |
WOS类目 | Geography, Physical |
WOS研究方向 | Physical Geography |
来源机构 | 中国科学院新疆生态与地理研究所 |
资源类型 | 期刊论文 |
条目标识符 | http://119.78.100.177/qdio/handle/2XILL650/217036 |
作者单位 | 1.Hebei Normal Univ, Coll Resources & Environm Sci, Shijiazhuang 050024, Hebei, Peoples R China; 2.Chinese Acad Sci, Xinjiang Inst Ecol & Geog, State Key Lab Desert & Oasis Ecol, Urumqi 830011, Peoples R China; 3.Chinese Acad Sci, Ctr Agr Resources Res, Key Lab Agr Water Resources, Shijiazhuang 050021, Hebei, Peoples R China; 4.Qufu Normal Univ, Coll Geog & Tourism, Rizhao 276826, Shandong, Peoples R China |
推荐引用方式 GB/T 7714 | Zhang Man,Chen Yaning,Shen Yanjun,et al. Tracking climate change in Central Asia through temperature and precipitation extremes[J]. 中国科学院新疆生态与地理研究所,2019,29(1):3-28. |
APA | Zhang Man,Chen Yaning,Shen Yanjun,&Li Baofu.(2019).Tracking climate change in Central Asia through temperature and precipitation extremes.JOURNAL OF GEOGRAPHICAL SCIENCES,29(1),3-28. |
MLA | Zhang Man,et al."Tracking climate change in Central Asia through temperature and precipitation extremes".JOURNAL OF GEOGRAPHICAL SCIENCES 29.1(2019):3-28. |
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