한국의 안개 발생 빈도와 지속시간 변화에 관한 연구
A Study on the Change of Fog Frequency and Duration Hours in South Korea
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초록
This study aimed to investigate the change of fog frequency and duration hours hours in South Korea. Using daily mean fog days(about 50 years) and fog duration hours(about 46 years) during the period of 1961~2010 for long-term observational data of 14 weather stations in South Korea, the change of temperature rise was analyzed. The change of fog days had a decreasing trend for the period of 1961~2010. There was a distinctly decreasing trend in Seoul and South-Eastern Coast area. The seasonal decreasing trend of fog days and fog duration hours was similar in spring and summer. On the other hand the change of Chupungnyeong in autumn and the West Coast in summer had a increasing trend. The change of fog duration hours was rarely changed. It was affected by the change of fog days. In addition, the change of fog days and fog duration hours of South-Eastern Coast area in autumn and winter had to decreasing trend. Otherwise the change of Jeonju in spring and Mokpo in summer had a increasing trend. There was a negative correlation between temperature element and fog days, and fog duration hours. But the change of fog days and fog duration hours was not decreasing trend in all areas. The decreasing trend of fog days was affected by temperature rise. However, there was not shown significant result of fog duration hours.
Abstract
This study aimed to investigate the change of fog frequency and duration hours hours in South Korea. Using daily mean fog days(about 50 years) and fog duration hours(about 46 years) during the period of 1961~2010 for long-term observational data of 14 weather stations in South Korea, the change of temperature rise was analyzed. The change of fog days had a decreasing trend for the period of 1961~2010. There was a distinctly decreasing trend in Seoul and South-Eastern Coast area. The seasonal decreasing trend of fog days and fog duration hours was similar in spring and summer. On the other hand the change of Chupungnyeong in autumn and the West Coast in summer had a increasing trend. The change of fog duration hours was rarely changed. It was affected by the change of fog days. In addition, the change of fog days and fog duration hours of South-Eastern Coast area in autumn and winter had to decreasing trend. Otherwise the change of Jeonju in spring and Mokpo in summer had a increasing trend. There was a negative correlation between temperature element and fog days, and fog duration hours. But the change of fog days and fog duration hours was not decreasing trend in all areas. The decreasing trend of fog days was affected by temperature rise. However, there was not shown significant result of fog duration hours.
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