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논문 기본 정보

자료유형
학술저널
저자정보
강채연 (기상청) 임윤규 (국립기상과학원) 송상근 (제주대학교) 문수환 (국립기상과학원) 선대현 (차세대수치예보모델개발사업단)
저널정보
한국대기환경학회 한국대기환경학회지(국문) 한국대기환경학회지 제40권 제5호
발행연도
2024.10
수록면
541 - 557 (17page)
DOI
10.5572/KOSAE.2024.40.5.541

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초록· 키워드

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This study investigated the effect of 6-hour continuous cloud seeding (using AgI and CaCl₂) on precipitation in three areas in South Korea: a central area (Korea Meteorological Administration, KMA) and two dam basins (Boryeong Dam, BRD, and Doam Dam, DAD). This analysis was based on long-term numerical simulations conducted throughout 2021. The Morrison microphysics scheme in the Weather Research and Forecasting (WRF) model was modified to quantitatively estimate the amount of artificial rainfall (AR), defined as the difference in precipitation between simulations with cloud seeding (SEED) and without cloud seeding (UNSD). Additionally, the probability distributions and durations of AR occurrence due to the 6-hour seeding in the three areas (KMA, BRD, and DAD) were analyzed. The effects of the 6-hour seeding on precipitation (i.e., the amount of AR) were greatest in summer and least in winter across all three areas during the study period. The mean duration of AR occurrence was estimated to be approximately 5 hours in the KMA area, 5 hours in the BRD area, and 7 hours in the DAD area. The mean 300-minute accumulated AR (SEED-UNSD) was largest in July in the KMA area (0.29 mm) and in August in the BRD and DAD areas (0.40 mm and 0.32 mm, respectively), while the smallest value (about 0.02 mm) occurred in December across all three areas. The high AR in summer is likely due to the combined effects of abundant moisture from the summer monsoon climate and the enhanced growth of cloud droplets from continuous seeding. Conversely, the low AR in winter is likely due to reduced seeding effectiveness caused by overseeding. In addition, the probability of AR occurrence was highest in winter compared to other seasons, because the area of influence was more widely distributed due to stronger winter winds.

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Abstract
1. 서론
2. 재료 및 방법
3. 결과 및 고찰
4. 요약 및 결론
References

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