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논문 기본 정보

자료유형
학술저널
저자정보
오인보 (울산대학교) 방진희 (울산대학교) 김양호 (울산대학교)
저널정보
한국대기환경학회 한국대기환경학회지(국문) 한국대기환경학회지 제31권 제2호
발행연도
2015.4
수록면
181 - 194 (14page)

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초록· 키워드

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Spatial-temporal meteorological features of the Ulsan metropolitan region (UMR) were analyzed using observations and high-resolution numerical modeling. Long-term trend analysis (1970~2013) showed a significant increase of 0.033° Cyr<SUP>-1</SUP> in the 5-year moving average temperature, although detailed short-term features varied, whereas wind speed and relative humidity over the same period displayed clear decreases of -0.007 ms<SUP>-1</SUP> and -0.29%yr<SUP>-1</SUP>, respectively. These trends indicate the effects of regional climate change and urbanization in the UMR. Seasonal variations averaged for the most recent three years, 2011~2013, showed that temperatures in three different regions (urban/industrial, suburban, coastal areas) of the UMR had similar seasonality, but significant differences among them were observed for a certain season. Urban and industrial complex regions were characterized by relatively higher temperatures with large differences (max.: 3.6℃) from that in the coastal area in summer. For wind speed, strong values in the range from 3.3 to 3.9 ms<SUP>-1</SUP> occurred in the coastal areas, with large differences clearly shown between the three regions in September and October. Diurnal variations of temperature were characterized by pronounced differences during the daytime (in summer) or nighttime (in winter) between the three regions. Results from the WRF modeling performed for four months of 2012 showed large variations in gridaverage temperature and winds in the UMR, which displayed significant changes by season. Especially, a clear temperature rise in the urban center was identified in July (0.6℃ higher than nearby urban areas), and overall, relatively weak winds were simulated over urban and inland suburban regions in all seasons.

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Abstract
1. 서론
2. 연구방법
3. 결과 및 고찰
4. 결론
References

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