globalchange  > 过去全球变化的重建
DOI: 10.1002/joc.6034
WOS记录号: WOS:000474160800006
论文题名:
Daily precipitation variability in the southern Alps since the late 19th century
作者: Brugnara, Yuri1,2; Maugeri, Maurizio3,4
通讯作者: Brugnara, Yuri
刊名: INTERNATIONAL JOURNAL OF CLIMATOLOGY
ISSN: 0899-8418
EISSN: 1097-0088
出版年: 2019
卷: 39, 期:8, 页码:3492-3504
语种: 英语
英文关键词: centennial ; data rescue ; mountain ; observational data analysis
WOS关键词: HEAVY PRECIPITATION ; CLIMATE-CHANGE ; TEMPERATURE ; OSCILLATION ; RAINFALL ; TRENDS ; NAO
WOS学科分类: Meteorology & Atmospheric Sciences
WOS研究方向: Meteorology & Atmospheric Sciences
英文摘要:

We analysed a data set of 18 homogenized daily precipitation series from the southern European Alps, covering approximately the last 150 years. Previously available data from stations in Northern Italy have been extended considerably by recent digitization work, and, for the first time, they have been combined with daily data from Swiss stations on a centennial scale. Precipitation frequency in the southern Alps decreased significantly over the period 1890-2017. We show that this trend is related to a step-like reduction in cyclonic weather types over central Europe that occurred around 1940. This decrease is an example of the large variability that affects precipitation in the region over many different time scales. In particular, strong trends on a decadal scale are related to the Atlantic Multidecadal Oscillation and the North Atlantic Oscillation, although the influence of the latter is present only in the recent decades. Trends in heavy precipitation indices do not show a coherent pattern across the study area. We find a significant increase in heavy precipitation in Switzerland, while a decrease affects the southeastern subset in spring.


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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/140699
Appears in Collections:过去全球变化的重建

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作者单位: 1.Univ Bern, Oeschger Ctr Climate Change Res, Bern, Switzerland
2.Univ Bern, Inst Geog, Hallerstr 12, CH-3012 Bern, Switzerland
3.Univ Milan, Dept Environm Sci & Policy, Milan, Italy
4.CNR, Ist Sci Atmosfera & Clima, Bologna, Italy

Recommended Citation:
Brugnara, Yuri,Maugeri, Maurizio. Daily precipitation variability in the southern Alps since the late 19th century[J]. INTERNATIONAL JOURNAL OF CLIMATOLOGY,2019-01-01,39(8):3492-3504
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