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A Case Study on Sea Breeze Circulation and Ozone Concentration due to the Effect of Cold Water in the Southeastern Coastal Area of Korea

한국 남동연안의 냉수대 영향에 의한 해풍순환과 오존농도의 사례연구

  • Ji, Hyo Eun (Institute of Environmental Studies, Pusan National University) ;
  • Lee, Soon-Hwan (Department of Earth Science Education, Pusan National University) ;
  • Park, Changhyoun (Institute of Environmental Studies, Pusan National University) ;
  • Lee, Hwa Woon (Division of Earth Environmental System, Pusan National University)
  • 지효은 (부산대학교 환경연구원) ;
  • 이순환 (부산대학교 지구과학 교육학과) ;
  • 박창현 (부산대학교 환경연구원) ;
  • 이화운 (부산대학교 지구환경시스템 학부)
  • Received : 2013.09.17
  • Accepted : 2013.11.20
  • Published : 2014.02.28

Abstract

This work investigates the relationship between the sea breeze circulation and ozone concentrations during cold water events in the southeastern coastal area of the Korean Peninsula, where coastal upwelling frequently occur. This analysis was performed based on the classification of two categories, such as cold water and non-cold water events, over the period of 2000-2009. The low air temperature ($0.5^{\circ}C$), low SST ($5^{\circ}C$) and the wind direction(southerly) are the features of the cold water events in the Southeastern coastal area. Moreover, ozone concentrations in the cases of the sea breeze circulation and cold water events were significantly lower (below 30 ppb) than those (70~100 ppb) in the non-clod water events, because of the low air temperature ($10{\sim}20^{\circ}C$) and high wind speed (3~5 m/s) around the southeastern coastal area.

Keywords

References

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  2. Analysis for Vertical Wind Shear Change at Coastal Area according to the Sea Surface Temperature vol.18, pp.2, 2018, https://doi.org/10.9798/KOSHAM.2018.18.2.505