지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
초록· 키워드
오류제보하기
Although recent reports suggest that the negative correlation between the Arctic Oscillation (AO) and the East Asian winter monsoon (EAWM) has been strengthened, it is not clear whether this intermittent relationship is an intrinsic oscillation in the climate system. We investigate the oscillating behavior of the AO-EAWM relationship at decadal time scales using the long-term (500-yr) climate model simulation. The results show that ice cover over the East Siberian Seas is responsible for the change in the coupling strength between AO and EAWM. We found that increased ice cover over these seas strengthens the AO-EAWM linkage, subsequently enhancing cold advection over the East Asia due to anomalous northerly flow via a weakened jet stream. Thus, this strengthened relationship favors more frequent occurrences of cold surges in the EAWM region. Results also indicate that the oscillating relationship between AO and EAWM is a natural variability without anthropogenic drivers, which may help us understand the AO-EAWM linkage under climate change.
목차
등록된 정보가 없습니다.
참고문헌 (14)
참고문헌 신청
Collins, W. D. / 2006 / The Community Climate System Model version 3 (CCSM3) / Journal of Climate 19:2122~2143
Gong, D. Y. / 2001 / East Asian winter monsoon and Arctic oscillation / Geophysical Research Letters 28:2073~2076
Jee-Hoon Jeong / 2005 / Changes in occurrence of cold surges over east Asia in association with Arctic Oscillation / Geophysical Research Letters 32(14)
Jhun, J.G. / 2004 / A new East Asian winter monsoon index and associated characteristics of the winter monsoon / Journal of Climate 17:711~726
Kalnay, E. / 1996 / The NCEP/NCAR 40-year reanalysis project / Bulletin of the American Meteorological Society 77:437~471
Gong, D. Y. / 2001 / East Asian winter monsoon and Arctic oscillation / Geophysical Research Letters 28:2073~2076
Jee-Hoon Jeong / 2005 / Changes in occurrence of cold surges over east Asia in association with Arctic Oscillation / Geophysical Research Letters 32(14)
Jhun, J.G. / 2004 / A new East Asian winter monsoon index and associated characteristics of the winter monsoon / Journal of Climate 17:711~726
Kalnay, E. / 1996 / The NCEP/NCAR 40-year reanalysis project / Bulletin of the American Meteorological Society 77:437~471
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