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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 한국기상학회 Asia-Pacific Journal of Atmospheric Sciences Asia-Pacific Journal of Atmospheric Sciences Vol.45 No.4
- 발행연도
- 2009.11
- 수록면
- 513 - 522 (10page)
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초록· 키워드
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The downward influence of stratospheric potential vorticity (PV) on the cold surge occurrence over East Asia was examined. Strong negative PV anomalies in the upper stratosphere and the rising of geopotential height in the upper troposphere about one week ahead of the cold surge occurrence were suggested as precursory perturbations triggering the development of the cold surge, which is dynamically validated by the piecewise potential vorticity inversion technique. When the inversion is applied to the stratospheric PV anomalies, geopotential and temperature anomalies balanced to the stratospheric PV were remarkably well reproduced in both amplitude and penetrating depth as in the observations. Although the PV anomalies are mostly confined to the stratosphere, our results confirm that its downward influences are sufficiently strong such that associated tropospheric anomalies with the stratospheric PV are capable of triggering the cold surge occurrence within the given mechanism.
목차
Abstract
1. Introduction
2. Stratospheric PV as a precursor for cold surge
3. Formulation of PV inversion
4. Results
5. Summary and discussion
REFERENCES
참고문헌 (22)
참고문헌 신청
1. [학술지(정기간행물)] - Chang, S. W / 1978 / Numerical simulations of the ocean’s nonlinear, baroclinic response to translating hurricanes / J. Phys. Oceanogr 8 : 468 ~ 480
2. [학술지(정기간행물)] - Chen, F / 2001 / Coupling an advanced land-surface / hydrology model with the Penn State/NCAR MM5 modeling system. Part I: Model description and implementation / Mon. Wea. Rev 129 : 569 ~ 585
3. [학술지(정기간행물)] - Colle, B. A / 1996 / An observational and modeling study of the interaction of low-level southwesterly flow with the Olympic Mountains during COAS IOP4 / Mon. Wea. Rev 124 : 2152 ~ 2175
4. [학술지(정기간행물)] - Dudhia, J / 1989 / Numerical study of convection observed during the winter monsoon experiment using a mesoscale two-dimensional model / J. Atmos. Sci 46 : 3077 ~ 3107
5. [단행본] - Elsberry, R. L / 1978 / Prediction of atmospheric flows on nested grids. In: Computational Techniques for Interface Problems / American Society of Mechanical Engineering : 67 ~ 85
2. [학술지(정기간행물)] - Chen, F / 2001 / Coupling an advanced land-surface / hydrology model with the Penn State/NCAR MM5 modeling system. Part I: Model description and implementation / Mon. Wea. Rev 129 : 569 ~ 585
3. [학술지(정기간행물)] - Colle, B. A / 1996 / An observational and modeling study of the interaction of low-level southwesterly flow with the Olympic Mountains during COAS IOP4 / Mon. Wea. Rev 124 : 2152 ~ 2175
4. [학술지(정기간행물)] - Dudhia, J / 1989 / Numerical study of convection observed during the winter monsoon experiment using a mesoscale two-dimensional model / J. Atmos. Sci 46 : 3077 ~ 3107
5. [단행본] - Elsberry, R. L / 1978 / Prediction of atmospheric flows on nested grids. In: Computational Techniques for Interface Problems / American Society of Mechanical Engineering : 67 ~ 85
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UCI(KEPA) : I410-ECN-0101-2009-453-019158765