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대기환경영향평가를 위한 대구광역시 상인동 달비골의 봄철 기상관측 사례분석
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  • 대기환경영향평가를 위한 대구광역시 상인동 달비골의 봄철 기상관측 사례분석
저자명
박종길,정우식,황수진,윤일희,박길운,김신호,김석철,Park. Jong-Kil,Jung. Woo-Sik,Hwang. Soo-Jin,Yoon. Ill-Hee,Park. Gil-Un,Kim. Sin-Ho,Kim. Seok-Cheol
간행물명
한국환경과학회지
권/호정보
2008년|17권 9호|pp.1053-1068 (16 pages)
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한국환경과학회
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이 논문은 한국과학기술정보연구원과 논문 연계를 통해 무료로 제공되는 원문입니다.
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기타언어초록

This study aims to produce fundamental database for Environment Impact Assessment by monitoring vertical structure of the atmosphere due to the mountain valley wind in spring season. For this, we observed surface and upper meteorological elements in Sangin-dong, Daegu using the rawinsonde and automatic weather system(AWS). In Sangin-dong, the weather condition was largely affected by mountains when compared to city center. The air temperature was low during the night time and day break, and similar to that of city center during the day time. Relative humidity also showed similar trend; high during the night time and day break and similar to that of city center during the day time. Solar radiation was higher than the city, and the daily maximum temperature was observed later than the city. The synoptic wind during the measurement period was west wind. But during the day time, the west wind was joined by the prevailing wind to become stronger than the night time. During the night time and daybreak, the impact of mountain wind lowered the overall temperature, showing strong geographical influence. The vertical structure of the atmosphere in Dalbi valley, Sangin-dong had a sharp change in air temperature, relative humidity, potential temperature and equivalent potential temperature when measured at the upper part of the mixing layer height. The mixing depth was formed at maximum 1896m above the ground, and in the night time, the inversion layer was formed by radiational cooling and cold mountain wind.