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기후변화에 따른 기온상승이 한반도 동남지역 국지 기상장과 오존 분포에 미치는 영향에 관한 수치모의
정여민 ( Yeo Min Jeong ),이화운 ( Hwa Woon Lee ),이순환 ( Soon Hwan Lee ),최현정 ( Hyun Jung Choi ),전원배 ( Won Bae Jeon ) 한국환경과학회 2010 한국환경과학회지 Vol.19 No.12
In order to clarify the impact of regional warming on the meteorological field and air quality over southeastern part of Korean Peninsula, several numerical experiment were carried out. Numerical models used in this study are WRF for the estimate the meteorological elements and CMAQ for assessment of ozone concentration. According to the global warming impact, initial air temperature were changed and its warming rate reach at 2 degree which was based on the global warming scenarios provided by IPCC. The experiments considering the global warming at initial stage were presented as case T_UP. Air temperature over inland area during night time for case T_UP is higher than that for Base case. During time since the higher temperature over inland area is maintained during daytime more intensified sea breeze should be induced and also decrease the air temperature in vicinity of coast area. In case of T_UP, high level concentrations ozone distribution area was narrowed and their disappearance were faster after 1800LST. As a results, wind and temperature fields due to the global warming at initial stage mainly results in the pattern of ozone concentration and its temporal variation at South-Eastern Part of the Korean Peninsula.
수도권 배출량 저감에 따른 오존 발생 과정 분석에 관한 수치연구
정여민 ( Yeo Min Jeong ),이순환 ( Soon Hwan Lee ),이화운 ( Hwa Woon Lee ),전원배 ( Won Bae Jeon ) 한국환경과학회 2012 한국환경과학회지 Vol.21 No.3
In order to clarify the impact of emissions reductions on the air quality over Metropolitan area of Korean Peninsula, several numerical experiment and analysis of integrated process rate(IPR) of ozone were carried out. Numerical models used in this study are WRF for the estimate the meteorological elements and CMAQ for assessment of ozone concentration. As result in the sensitive test of VOC/NOx reduction experiments, although VOC reduction tends to induce the different impact on the advection and photochemical reaction rate of ozone in urban area and rural area, the mechanism of ozone appeared to be more sensitive to the reduction of VOC than that of NOx over the metropolitan and its surround area. So the control of VOC emission inventories is an effective means to decrease the ozone concentrations around this area.
기후변화에 따른 도시별 기상기여도 차이가 고농도 오존분포에 미치는 영향
정여민 ( Yeo Min Jeong ),이화운 ( Hwa Woon Lee ),최현정 ( Hyun Jung Choi ) 한국환경과학회 2011 한국환경과학회지 Vol.20 No.3
In order to clarify the impact of regional warming on the ozone concentration according to the differences in meteorological contribution in each city over the South-Eastern part of the Korean Peninsula, several numerical experiments were carried out. WRF-CMAQ model was used to access the ozone differences in each case, during the episode day. Meteorological contributions estimated by WRF command a reasonable feature on the dispersion of ozone concentrations in each city according to regional warming. This causes a difference in estimated ozone concentration. A higher ozone concentration difference tend to be forecasted in coastal cities than in upcountry city. Therefore, the emission reduction policy according to the regional warming should consider the characteristics of meteorological contribution of each city.