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Extreme precipitation event over the Yellow Sea western coast: Is there a trend?
作者: Wang, Huailiang1; Shao, Zhuhai2,3; Gao, Tao2,3,4; ZOU Tao(邹涛)5; Liu, Jie2,3; Yuan, Haibao6
ISSN号: 1040-6182
出版日期: 2017-06-16
卷号: 441, 页码:1-17
关键词: Extreme precipitation regimes ; Climate change ; Yellow Sea western coast
DOI: 10.1016/j.quaint.2016.08.014
英文摘要: Based on dataset at 12 meteorological stations across the Yellow Sea western coast (YSWC) during 1951 2011, spatiotemporal variations of extreme precipitation events are analyzed by the methods of linear regression, Mann Kendall test and wavelet analysis. Results show that the majority of precipitation indices exhibit decreasing trends excepting for consecutive dry days (CDD) and simple daily intensity index (SDII), which display increasing trends in most of locations, indicating that the rainfall becomes more concentrated and the intensity of precipitation increases in the last decades. Trends in extreme precipitation indices have mixed patterns over the intersection regions between Shandong and Jiangsu, where the increases in drought-flood disasters may be dramatic. Regional extreme precipitation indices in CDD and SDII show significant positive trends even though the annual total wet day precipitation (PRCPTOT) has a significant decline trend, this suggests that the increases in intensity of precipitation cannot counteract the decreases in other wet-related indices and the YSWC tends to be drier conditions. The temporal variability in seasonal indices of max 1-day precipitation (RXI day) and max 5-day precipitation (RX5day) shows that winter is becoming the wettest season. And the abrupt shift of precipitation regime in the later 1970s is detected for several indices. Factor analysis indicates that the changes in precipitation extremes, rather moderate rainfall, are of great contributions to the variability of annual total rainfall. There are multiple and overlapping cycles for most precipitation indices during 1951-2011, suggesting variations of time and frequency, while the 12-15-year cycle is prevailing for some indices. Further analyses indicate that global warming, coupled ocean-atmosphere phenomena, and urbanization are three major forcing factors affecting the variations in precipitation extremes over the YSWC during last decades. (C) 2016 Elsevier Ltd and INQUA. All rights reserved.
研究领域[WOS]: Physical Geography ; Geology
项目资助者: Natural Science Foundation ; Sci-tech development project of Shandong Province(ZR2015DQ004 ; China Postdoctoral Science Foundation(1191005830) ; National Natural Science Foundation of China(41210008 ; Taishan Scholar Fund(3000-841112013) ; Shandong Province ; United States National Oceanic and Atmospheric Administration Climate Change Program via a subcontract from University of Florida(uF-eieS-1100031-NCS) ; Young Academic Backbone in Heze University(XY14BS05) ; J15LH10) ; 41406029)
文章类型: Article
收录类别: SCI
语种: 英语
WOS记录号: WOS:000404696200001
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内容类型: 期刊论文
Appears in Collections:支撑部门_期刊论文

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作者单位: 1.Heze Univ, Inst Stat, Dept Econ & Management, Heze 274000, Peoples R China
2.Heze Univ, Dept Resources & Environm, Heze 274000, Peoples R China
3.Heze Univ, Inst Urban & Rural Construct & Planning, Heze 274000, Peoples R China
4.North Carolina State Univ, Dept Marine Earth & Atmospher Sci, Raleigh, NC 27695 USA
5.Chinese Acad Sci, Yantai Inst Coastal Zone Res, Key Lab Coastal Environm Proc & Ecol Remediat, Yantai 264003, Peoples R China
6.Yantai Meteorol Bur, Yantai 264003, Peoples R China

Recommended Citation:
Wang, Huailiang,Shao, Zhuhai,Gao, Tao,et al. Extreme precipitation event over the Yellow Sea western coast: Is there a trend?[J]. QUATERNARY INTERNATIONAL,2017,441:1-17.
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