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DOI10.1002/joc.8373
Long-term evolution and non-stationary behaviours of daily and subdaily precipitation extremes in China
Liu, Yangyi; Chen, Jie; Xiong, Lihua; Liu, Dedi; Xu, Chong-Yu
发表日期2024
ISSN0899-8418
EISSN1097-0088
起始页码44
结束页码4
卷号44期号:4
英文摘要The rise of extreme precipitation events has attracted wide attention throughout the world. However, the analysis of precipitation extremes is not sufficient in the short period of instrumental observation and it is complicated by their non-stationary behaviours. As a period dominated by natural forcing, the last millennium is helpful for understanding long-term changes in precipitation extremes. Therefore, this study aimed to (1) investigate changes in daily and subdaily precipitation extremes in China from the last millennium to the end of the twenty-first century, (2) detect the non-stationarity of precipitation extremes and (3) compare design storms by using stationary and non-stationary distributions. The annual maximum 1-day precipitation (RX1day) and annual maximum 3-hour precipitation (RX3hour) are used to quantify variations of precipitation extremes. The results show that the trend of RX1day was insignificant for the Medieval Climate Anomaly (MCA, 950-1250) and the Little Ice Age (LIA, 1500-1800). For the historical period (1850-2014), the trend of RX1day and RX3hour was insignificant in most subregions. In addition, the differences for RX1day between the historical period and the MCA/LIA were mostly in the range of -5% to 5%. For the future period (2015-2100), RX1day and RX3hour are projected to increase in almost all land grids compared with the historical period, and they show greater increases in western China than eastern China. The non-stationarity of RX1day and RX3hour is mainly found under the high-emission scenario. Moreover, stationary generalized extreme value (GEV) distribution underestimates 50-year return levels for RX1day and RX3hour in most areas compared with non-stationary GEV distribution under the high-emission scenario. Overall, this study suggests that daily and subdaily extreme precipitation will intensify over China in the future. For design storms, non-stationary methods need to be used for risk management and engineering design under the high-emission scenario. The stationary generalized extreme value (GEV) distribution underestimates 50-year return levels of daily and subdaily extreme precipitation in most areas of China compared with non-stationary GEV distribution under the high-emission scenarios.image
英文关键词China; last millennium; non-stationarity; precipitation extremes; return level
语种英语
WOS研究方向Meteorology & Atmospheric Sciences
WOS类目Meteorology & Atmospheric Sciences
WOS记录号WOS:001148363000001
来源期刊INTERNATIONAL JOURNAL OF CLIMATOLOGY
文献类型期刊论文
条目标识符http://gcip.llas.ac.cn/handle/2XKMVOVA/305688
作者单位Wuhan University; Wuhan University; University of Oslo
推荐引用方式
GB/T 7714
Liu, Yangyi,Chen, Jie,Xiong, Lihua,et al. Long-term evolution and non-stationary behaviours of daily and subdaily precipitation extremes in China[J],2024,44(4).
APA Liu, Yangyi,Chen, Jie,Xiong, Lihua,Liu, Dedi,&Xu, Chong-Yu.(2024).Long-term evolution and non-stationary behaviours of daily and subdaily precipitation extremes in China.INTERNATIONAL JOURNAL OF CLIMATOLOGY,44(4).
MLA Liu, Yangyi,et al."Long-term evolution and non-stationary behaviours of daily and subdaily precipitation extremes in China".INTERNATIONAL JOURNAL OF CLIMATOLOGY 44.4(2024).
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