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Korean Meteorological Society (한국기상학회)
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A Study on the Roughness Length Spatial Distribution in Relation to the Seoul Building Morphology

서울시 건물형태에 따른 거칠기길이 분포특성 연구

  • Yi, Chaeyeon (Weather Information Service Engine Project, Hankuk University of Foreign Studies) ;
  • Kwon, Tae Heon (Weather Information Service Engine Project, Hankuk University of Foreign Studies) ;
  • Park, Moon-Soo (Weather Information Service Engine Project, Hankuk University of Foreign Studies) ;
  • Choi, Young Jean (Weather Information Service Engine Project, Hankuk University of Foreign Studies) ;
  • An, Seung Man (Department of Landscape Architecture, Sungkyunkwan University)
  • 이채연 (한국외국어대학교 차세대도시농림융합기상사업단) ;
  • 권태헌 (한국외국어대학교 차세대도시농림융합기상사업단) ;
  • 박문수 (한국외국어대학교 차세대도시농림융합기상사업단) ;
  • 최영진 (한국외국어대학교 차세대도시농림융합기상사업단) ;
  • 안승만 (성균관대학교 조경학과)
  • Received : 2015.02.09
  • Accepted : 2015.02.23
  • Published : 2015.06.30
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Abstract

The purpose of this study is for the fundamental understandings about building morphological parameters and aerodynamic roughness parameters of Seoul, Korea using the detailed urban geographic information datasets. Applied roughness parameter calculations are based on a digital map of buildings with lot area polygons. The quality of the developed roughness length ($z_0$) of Seoul was evaluated with densely installed 107 automatic weather stations. The correlation coefficient results between averaged wind speeds of AWS data and averaged $z_0$ is -0.303 in night and -0.398 in day (200 m radii circles case). Further $z_0$ enhancement should follow by considering other surface features such as high tree and orography of Seoul. However, this study would meet the needs to for local- or meso-scale meteorological modeling applications of Seoul. However, further studies would require for enhancing the $z_0$ applications of Seoul.

Keywords

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