In order to clarify the impacts of thermal difference in atmospheric boundary layer due to the different sophistication of building information in Busan metropolitan areas, several numerical simulations were carried out. ACM (Albedo Calculation Model) and WRF (Weather Research and Forecasting) was applied for estimating albedo and meteorological elements in urban area, respectively. In comparison with coarse aggregated and small buildings, diurnal variation of albedo is highly frequent and its total value tend to be smaller in densely aggregated and tall buildings.
Estimated TKE and sensible heat flux with sophisticatedly urban building parameterization is more resonable and valid values are mainly induced by urban building sophistication. The simulation results suggest that decreased albedo and increased roughness due to skyscraper plays an important role in the result of thermal change in atmospheric boundary layer.

Abstract
 1. 서 론
 2. 수치 모형
 3. 자료 및 방법
  3.1. 연구 대상 지역 및 기초자료
  3.2. 수치실험 설계
 4. 결과 및 고찰
  4.1. 건물높이에 따른 반사도의 일변화 및 기상모의 결과 검증
  4.2. 열적․역학적 특성 수평 분석
  4.3. 열적․역학적 특성 연직 분석
 5. 결 론
 참 고 문 헌

• 손정옥(부산대학교 지구환경시스템학부) | Jeong-Ock Son (Division of Earth Environmental System, Pusan National University)
• 이화운(부산대학교 지구환경시스템학부) | Hwa Woon Lee (Division of Earth Environmental System, Pusan National University) Corresponding author
• 이순환(부산대학교 환경연구원) | Soon-Hwan Lee (Institude of Environmental Studies, Pusan National University)