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지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
초록· 키워드
오류제보하기
A dynamical seasonal prediction system for boreal winter utilizing cryospheric information was developed. Using the Community Atmospheric Model, version3, (CAM3) as a modeling system, newly developed snow depth initialization method and sea ice concentration treatment were implemented to the seasonal prediction system. Daily snow depth analysis field was scaled in order to prevent climate drift problem before initializing model’s snow fields and distributed to the model snow-depth layers. To maximize predictability gain from land surface, we applied one-month-long training procedure to the prediction system, which adjusts soil moisture and soil temperature to the imposed snow depth. The sea ice concentration over the Arctic region for prediction period was prescribed with an anomaly-persistent method that considers seasonality of sea ice. Ensemble hindcast experiments starting at 1st of November for the period 1999~2000 were performed and the predictability gain from the imposed cryospheric informations were tested. Large potential predictability gain from the snow information was obtained over large part of high-latitude and of mid-latitude land as a result of strengthened land-atmosphere interaction in the modeling system. Large-scale atmospheric circulation responses associated with the sea ice concentration anomalies were main contributor to the predictability gain.
목차
Abstract
1. 서론
2. 계절예측 시스템
3. 계절예측 시스템의 예측성
4. 결론 및 토의
REFERENCES
참고문헌 (27)
참고문헌 신청
1. [학술지(정기간행물)] - Budikova, D. / 2009 / Role of Arctic sea ice in global atmospheric circulation : A review / Global Planet. Change 68 : 149 ~ 163
2. [학술지(정기간행물)] - Cohen, J. / 1999 / Eurasian snow cover variability and Northern Hemisphere climate predictability / Geophys. Res. Lett 26 : 345 ~ 348
3. [학술지(정기간행물)] - Cohen, J. / 2005 / The NAO, the AO, and global warming : How closely related? / J. Climate 18 : 4498 ~ 4513
4. [학술지(정기간행물)] - Cohen, J. / 2001 / The role of the Siberian high in Northern Hemisphere climate variability / Geophys. Res. Lett 28 : 299 ~ 302
5. [학술지(정기간행물)] - Cohen, J. / 2010 / Winter 2009-2010 : A case study of an extreme Arctic Oscillation event / Geophys. Res. Lett 37 : L17707 ~
2. [학술지(정기간행물)] - Cohen, J. / 1999 / Eurasian snow cover variability and Northern Hemisphere climate predictability / Geophys. Res. Lett 26 : 345 ~ 348
3. [학술지(정기간행물)] - Cohen, J. / 2005 / The NAO, the AO, and global warming : How closely related? / J. Climate 18 : 4498 ~ 4513
4. [학술지(정기간행물)] - Cohen, J. / 2001 / The role of the Siberian high in Northern Hemisphere climate variability / Geophys. Res. Lett 28 : 299 ~ 302
5. [학술지(정기간행물)] - Cohen, J. / 2010 / Winter 2009-2010 : A case study of an extreme Arctic Oscillation event / Geophys. Res. Lett 37 : L17707 ~
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