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논문 기본 정보

자료유형
학술저널
저자정보
이현경 (국립기상과학원) 서명석 (공주대학교)
저널정보
한국기상학회 대기 대기 Vol.28 No.1
발행연도
2018.3
수록면
69 - 83 (15page)

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초록· 키워드

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Most of the researches on fog in South Korea have been done based on the nakedeye observation but the number of observation sites is just 22. Considering the localities of fog and various durations, it is essential to utilize more than 250 visibility meters that measure visibility every minute. In this study, the visibility characteristics of visibility meters were compared with that of the naked-eye observation using one year data, 2016, and radiation fog and advection fog cases were analyzed in detail. The concordance rate of the two data set was 0.96~0.97, but discordance rate was 0.19~0.47. In general, visibility meters observed fog more frequently than naked-eye. The correlation between two data sets is clearly dependent on the visibility and geographic locations (fog/thick fog (< 100 m) of inland: 0.86/0.61; fog/thick fog: 0.65/0.73 of island/coastal site). In both fog cases, the fog events observed by naked-eye were consistently detected by visibility meters, and visibility meters clearly well detected very short fog/thick fogs. Formation and dissipation time of fog for the fog cases were similar but fog duration by visibility meters was shorter because of exclusion of temporary dissipated time. In addition, the visibility meters showed a detailed distribution of fog events that occurred simultaneously over South Korea. It would be useful to analyze the spatial and temporal characteristics of, in particular, thick fog using visibility meters. However, more works are needed for the filtering criteria for analyzing fog using visibility meters alone.

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Abstract
1. 서론
2. 자료 및 방법
3. 결과
4. 요약 및 결론
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UCI(KEPA) : I410-ECN-0101-2018-453-001911160