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Increasing Difference in Interannual Summertime Surface Air Temperature Between Interior East Antarctica and the Antarctic Peninsula Under Future Climate Scenarios

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Title
Increasing Difference in Interannual Summertime Surface Air Temperature Between Interior East Antarctica and the Antarctic Peninsula Under Future Climate Scenarios
Other Titles
미래 동남극과 남극반도의 기온차이의 경년변동 증가에 대한 연구
Authors
Mao, Rui
Kim, Seong-Joong
Gong, Dao-Yi
Liu, Xiaohong
Wen, Xinyu
Zhang, Liping
Tang, Feng
Zong, Qi
Xiao, Cunde
Ding, Minghu
Park, Sang-Jong
Subject
Geology
Keywords
Temperature differenceFuture climateCMIP5the Southern Hemisphere Annular Mode
Issue Date
2021-08-28
Citation
Mao, Rui, et al. 2021. "Increasing Difference in Interannual Summertime Surface Air Temperature Between Interior East Antarctica and the Antarctic Peninsula Under Future Climate Scenarios". GEOPHYSICAL RESEARCH LETTERS, 48(16): 1-10.
Abstract
In this study, using the Climate Model Intercomparison Project 5 (CMIP5) simulations and by empirical orthogonal function (EOF) analysis, the first mode of variability in interannual surface air temperature (SAT) in Antarctica (EOF1) was examined for the period of 1979-2004 and 2051-2099 during the austral summer. The ensemble mean of EOF1 of the CMIP5 models shows a positive SAT anomaly over the northern Antarctic Peninsula (AP) and a negative SAT anomaly over Eastern Antarctica (EA) in both periods. A poleward expansion of the AP positive anomaly and an increase in the negative anomaly over interior EA are expected in 2051-2099, resulting in a larger difference of interannual SAT between interior EA and the AP in 2051-2099 than 1979-2004. The increasing difference in the interannual SAT is consistent with a larger magnitude of the SAM-related circulation anomalies in the future.
URI
https://repository.kopri.re.kr/handle/201206/13590
DOI
http://dx.doi.org/10.1029/2020GL092031
Type
Article
Station
King Sejong Station
Indexed
SCIE
Appears in Collections  
2021-2021, Understanding of Antarctic climate and environment and assessments of global influence (21-21) / Kim, Seong-Joong (PE21030)
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