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KMID : 1024520160250020295
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Journal of the Environmental Sciences
2016 Volume.25 No. 2 p.295 ~ p.310
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Analysis on Variation of Diurnal Temperature Range of Busan and Daegu according to Urbanization
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Park Myung-Hee
Lee Joon-Soo
Ahn Ji-Suk
Lee Hye-Hyun
Han In-Seong
Eom Ki-Hyuk
Suh Young-Sang
Kim Hae-Dong
Bae Hun-Kyun
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Abstract
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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.
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KEYWORD
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Diurnal temperature range, Urbanization, Seasonal fluctuations
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