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The Occurrence of Cold Spells in the Alps Related to Climate Change

Title
The Occurrence of Cold Spells in the Alps Related to Climate Change
Authors
Galli, MarcoOh, SeungminCassardo, ClaudioPark, Seon Ki
Ewha Authors
박선기
SCOPUS Author ID
박선기scopus
Issue Date
2010
Journal Title
WATER
ISSN
2073-4441JCR Link
Citation
vol. 2, no. 3, pp. 363 - 380
Keywords
cold spellsclimate changeLSPMUTOPIAclimate extremes
Publisher
MDPI AG
Indexed
SCIE; SCOPUS WOS
Abstract
Climate change is not only a likely prospect for the end of this century, but it is already occurring. Part of the changes will include global warming and increasing temperature variability, both at global and regional scales. This increased variability was investigated in this paper from the point of view of the occurrence of cold spells in the Alps in the future climate (2071-2100), compared with the present climate (1961-1990). For this purpose, a regionalisation of the climate change effects was performed within the Alps. To avoid possible errors in the estimate of the 2m air temperature, the analysis was performed on the soil surface temperature. To get realistic values for this variable, a land surface scheme, UTOPIA, has been run on the selected domain, using the output of the Regional Climate Model (RegCM3) simulations as the driving force. The results show that, in general, the number of cold breaks is decreasing over the Alps, due to the temperature increment. However, there are certain zones where the behaviour is more complicated. The analysis of the model output also allowed a relationship to be found between the number of cold breaks and their duration. The significance of these results over the whole area was assessed.
DOI
10.3390/w2030363
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엘텍공과대학 > 환경공학전공 > Journal papers
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