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DC Field | Value | Language |
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dc.citation.startPage | D12118 | - |
dc.citation.title | JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES | - |
dc.citation.volume | 116 | - |
dc.contributor.author | Park, Tae-Won | - |
dc.contributor.author | Ho, Chang-Hoi | - |
dc.contributor.author | Jeong, Su-Jong | - |
dc.contributor.author | Choi, Yong-Sang | - |
dc.contributor.author | Park, Seon Ki | - |
dc.contributor.author | Song, Chang-Keun | - |
dc.date.accessioned | 2023-12-22T06:08:37Z | - |
dc.date.available | 2023-12-22T06:08:37Z | - |
dc.date.created | 2016-12-07 | - |
dc.date.issued | 2011-06 | - |
dc.description.abstract | This study investigates the changes in winter cold extreme events over East Asia in the present and future climates. Two distinct terms to indicate cold extreme events are analyzed: "cold day," which describes a temperature below a certain threshold value (e. g., simply cold weather), and " cold surge," which describes an abrupt temperature drop (e. g., relatively colder weather than a previous day). We analyze both observations and long-term climate simulations from 13 atmospheric and oceanic coupled global climate models (CGCMs). The geographical distribution of sea level pressure corresponding to a cold day (cold surge) is represented by a dipole (wave train) feature. Although cold day and cold surge show similar patterns of surface air temperature, they are induced by the out-of-phase sea level pressures. From the results of our analysis of a series of future projections for the mid and late twenty-first century using the 13 CGCMs, cold day occurrences clearly decrease with an increasing mean temperature (a correlation coefficient of -0.49), but the correlation between cold surge occurrences and the mean temperature is insignificant (a correlation coefficient of 0.08), which is supported by the same results in recent observation periods (1980-2006). Thus, it is anticipated that cold surge occurrences will remain frequent even in future warmer climate. This deduction is based on the future projections in which the change in the day-to-day temperature variability is insignificant, although the mean temperature shows significant increase. The present results suggest that living things in the future, having acclimatized to a warmer climate, would suffer the strong impact of cold surges, and hence the issue of vulnerability to cold surges should be treated seriously in the future. | - |
dc.identifier.bibliographicCitation | JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES, v.116, pp.D12118 | - |
dc.identifier.doi | 10.1029/2010JD015369 | - |
dc.identifier.issn | 0148-0227 | - |
dc.identifier.scopusid | 2-s2.0-79960090316 | - |
dc.identifier.uri | https://scholarworks.unist.ac.kr/handle/201301/20974 | - |
dc.identifier.url | http://onlinelibrary.wiley.com/doi/10.1029/2010JD015369/abstract | - |
dc.identifier.wosid | 000292380700002 | - |
dc.language | 영어 | - |
dc.publisher | AMER GEOPHYSICAL UNION | - |
dc.title | Different characteristics of cold day and cold surge frequency over East Asia in a global warming situation | - |
dc.type | Article | - |
dc.description.journalRegisteredClass | scie | - |
dc.description.journalRegisteredClass | scopus | - |
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