globalchange  > 气候减缓与适应
DOI: 10.1007/s00704-018-2427-3
WOS记录号: WOS:000464905800011
论文题名:
Precipitation and temperature trends over central Italy (Abruzzo Region): 1951-2012
作者: Scorzini, Anna Rita1,2; Leopardi, Maurizio2
通讯作者: Scorzini, Anna Rita
刊名: THEORETICAL AND APPLIED CLIMATOLOGY
ISSN: 0177-798X
EISSN: 1434-4483
出版年: 2019
卷: 135, 期:3-4, 页码:959-977
语种: 英语
WOS关键词: NORTH-ATLANTIC OSCILLATION ; SURFACE AIR-TEMPERATURE ; TIME-SERIES ; SPATIAL-DISTRIBUTION ; DAILY RAINFALL ; CLIMATE-CHANGE ; MEAN-VALUES ; VARIABILITY ; EXTREMES ; INDEXES
WOS学科分类: Meteorology & Atmospheric Sciences
WOS研究方向: Meteorology & Atmospheric Sciences
英文摘要:

This study analyses spatial and temporal trends of precipitation and temperatures over Abruzzo Region (central Italy), using historical climatic data from a dense observation network. The results show a general, although not significant, negative trend in the regionally averaged annual precipitation (-1.8% of the yearly mean rainfall per decade). This reduction is particularly evident in winter, especially at mountain stations (average -3% change/decade). Despite this general decreasing trend, a partial rainfall recovery is observed after the 1980s. Furthermore, the majority of meteorological stations register a significant warming over the last 60years, (mean annual temperature increase of +0.15 degrees C/decade), which reflects a rise in both minimum and maximum temperatures, with the latter generally increasing at a faster rate. Spring and summer are the seasons which contribute most to the general temperature increase, in particular at high elevation sites, which exhibit a more pronounced warming (+0.24 degrees C/decade). However, this tendency has not been uniform over 1951-2012, but it has been characterised by a cooling phenomenon in the first 30years (1951-1981), followed by an even stronger warming during the last three decades (1982-2012). Finally, correlations between the climatic variables and the dominant teleconnection patterns in the Mediterranean basin are analysed to identify the potential influence of large-scale atmospheric dynamics on observed trends in Abruzzo. The results highlight the dominant role of the East-Atlantic pattern on seasonal temperatures, while more spatially heterogeneous associations, depending on the complex topography of the region, are identified between winter precipitation and the North Atlantic Oscillation, East-Atlantic and East-Atlantic/Western Russian patterns.


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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/125284
Appears in Collections:气候减缓与适应

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作者单位: 1.Politecn Milan, Dept Civil & Environm Engn, Piazza Leonardo da Vinci 32, I-20133 Milan, Italy
2.Univ Aquila, Dept Civil Environm & Architectural Engn, Via G Gronchi 18, I-67100 Laquila, Italy

Recommended Citation:
Scorzini, Anna Rita,Leopardi, Maurizio. Precipitation and temperature trends over central Italy (Abruzzo Region): 1951-2012[J]. THEORETICAL AND APPLIED CLIMATOLOGY,2019-01-01,135(3-4):959-977
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