전지구 기후 모델에 따른 ENSO의 성격 변화

Title
전지구 기후 모델에 따른 ENSO의 성격 변화
Alternative Title
ENSO property changes due to climate change projections
Author(s)
예상욱
Publication Year
2009-06-17
Abstract
There is a significant CGCM dependence on future changes to El Nino and Southern Oscillation (ENSO) properties. Some CGCMs show an enhanced ENSO amplitude and some show a reduced ENSO amplitude and some show little change at all. The origin of these differences is unknown and remains a difficult problem; so far there is no consensus on the mechanisms which explain changes in ENSO statistics under global warming. In spite of such diverse results, it is useful to examine the reason why the CGCMs show different changes in ENSO statistics to climate change projections. Some climate system models are chosen for an analysis of ENSO amplitude changes under global warming. The results suggest that the understanding of changes in ENSO statistics among various climate change projections is highly dependent on whether the model ENSO is in the linear or nonlinear regime. In addition, it is found that the upper ocean structure simulated in the CGCMs is a key parameter of the sensitivity of ENSO statistics to global warming.
URI
https://sciwatch.kiost.ac.kr/handle/2020.kiost/29419
Bibliographic Citation
Workshop on Global Climate Monitoring and Modeling, pp.41, 2009
Publisher
한국해양연구원
Type
Conference
Language
English
Publisher
한국해양연구원
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