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논문 기본 정보

자료유형
학술저널
저자정보
권하택 (극지연구소) 김신우 (극지연구소) 이솔지 (극지연구소) 박상종 (극지연구소) 최태진 (극지연구소) 정지훈 (전남대학교) 김성중 (극지연구소) 김백민 (극지연구소)
저널정보
한국기상학회 대기 대기 Vol.26 No.4
발행연도
2016.12
수록면
617 - 633 (17page)

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초록· 키워드

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Jangbogo station is located in Terra Nova Bay over the East Antarctica, which is often affected by individual storms moving along nearby storm tracks and a katabatic flow from the continental interior towards the coast. A numerical simulation for two strong wind events of maximum instantaneous wind speed (41.17 m s<SUP>−1</SUP>) and daily mean wind speed (23.92 m s<SUP>−1</SUP>) at Jangbogo station are conducted using the polar-optimized version of Weather Research and Forecasting model (Polar WRF). Verifying model results from 3 km grid resolution simulation against AWS observation at Jangbogo station, the case of maximum instantaneous wind speed is relatively simulated well with high skill in wind with a bias of −3.3 m s−1 and standard deviation of 5.4 m s<SUP>−1</SUP>. The case of maximum daily mean wind speed showed comparatively lower accuracy for the simulation of wind speed with a bias of −7.0 m/s and standard deviation of 8.6 m s<SUP>−1</SUP>. From the analysis, it is revealed that the each case has different origins for strong wind. The highest maximum instantaneous wind case is caused by the approach of the strong synoptic low pressure system moving toward Terra Nova Bay from North and the other daily wind maximum speed case is mainly caused by the katabatic flow from the interiors of Terra Nova Bay towards the coast. Our evaluation suggests that the Polar WRF can be used as a useful dynamic downscaling tool for the simulation and investigation of high wind events at Jangbogo station. However, additional efforts in utilizing the high resolution terrain is required to reduce the simulation error of high wind mainly caused by katabatic flow, which is received a lot of influence of the surrounding terrain.

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Abstract
1. 서론
2. 사례 및 종관장 분석
3. 실험 설계 및 모델 수행
4. 실험결과
5. 요약 및 토의
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UCI(KEPA) : I410-ECN-0101-2017-453-002014388