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KMID : 1024520110200030309
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Journal of the Environmental Sciences
2011 Volume.20 No. 3 p.309 ~ p.319
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Evaluation of Mitigation Effect of Upo-Swamp on the Air temperature Variation with Nighttime Cooling Rate
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Park Myung-Hee
Kim Hae-Dong
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Abstract
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In this study, we investigated the effects of Upo-swamp upon local thermal environment with nighttime cooling rate. To do this, we set up the AWS(Automatic Weather observation System) over the central part of Upo-swamp on the early October 2007. We conducted the study by comparing the AWS data with another weather data observed by several meteorological observations of the Korea Meteorological Administration located at the vicinity of Upo-swamp for one year. The air temperature of Upo-swamp was higher than that of the surrounding in cold-climate season. But it was opposite in warm-climate season. We confirmed that Upo-swamp roles to mitigate the daily and annual air temperature ranges. And the daily air temperature variation of Upo-swamp lagged behind the land one. This phenomenon represent that the heat reservoir capacity of Upo-swamp is much larger than that of the ground.
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KEYWORD
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Nighttime cooling rate, Daily air temperature range, Cold-climate season, Warm-climate season, Heat reservoir capacity
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