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도시화에 따른 부산과 대구의 일교차 변화 특성에 관한 연구
박명희 ( Myung Hee Park ),이준수 ( Joon Soo Lee ),안지숙 ( Ji Suk Ahn ),이혜현 ( Hye Hyun Lee ),한인성 ( In Seong Han ),엄기혁 ( Ki Hyuk Eom ),서영상 ( Young Sang Suh ),김해동 ( Hae Dong Kim ),배헌균 ( Hun Kyun Bae ) 한국환경과학회 2016 한국환경과학회지 Vol.25 No.2
In this study, changes in daily temperature range were investigated using daily maximum and minimum temperatures of Busan and Daegu for last 81 years (1934-2014), and also characteristics of daily temperature range and seasonal fluctuations by urbanization were examined. First, elapsing changes showed a lower decreasing trend in Busan (0.32℃) than Daegu (1.28℃) for last 81 years. Daily temperature range showed the highest rise in winter in both Busan and Daegu. Second, daily temperature range due to urbanization showed that Busan had a pronounced decreasing trend before urbanization meanwhile Daegu showed the same trend after urbanization. On seasonal changes, the results of Busan showed a decreasing trend in summer before urbanization, and in autumn after urbanization. For Daegu, the results showed a decreasing trend in spring before urbanization, and in winter after urbanization. Seasonal fluctuations of Busan showed little difference in the pre and post-urbanization, except in winter and summer. There was large difference in daily temperature range in winter after urbanization, and in summer before the urbanization. The results in Daegu showed that there was decreasing trend of daily temperature range in all seasons after urbanization.
박명희 ( Myung Hee Par ),이준수 ( Joon Soo Lee ),서영상 ( Young Sang Suh ),한인성 ( In Seong Han ),이혜현 ( Hye Hyun Lee ),김해동 ( Hae Dong Kim ),배헌균 ( Hun Kyun Bae ) 한국환경과학회 2014 한국환경과학회지 Vol.23 No.11
It is well known that urban relative humidity has continuous decreasing trend owing to the influence of urbanization. The change of relative humidity is directly influenced by two factors, namely, temperature effect and water vapor effect in various urban effects. In this study, the temperature and the water vapor effects on the relative humidity change were analyzed by using monthly mean relative humidities for a long period(1961~2013) in Busan and Daegu. The major results obtained in this study can be summarized as follows. Firstly, the urban dryness was caused mainly by water vapor effect in summer. But, for the other seasons, the urban dryness is mainly due to the temperature effect. Secondly, the relative humidity in Busan is on the decrease until now. This phenomenon is similar to another Korean huge cities such as Seoul, Daejeon and Incheon.